63results about How to "Excellent performance" patented technology

The invention discloses a filter. The filter comprises a metal microstrip patch, a dielectric plate, a metal earth plate and a coplanar waveguide structure, wherein the metal microstrip patch adopts a microstrip line structure; the metal earth plate adopts a defected ground structure; the coplanar waveguide structure is arranged on the metal earth plate; the metal microstrip patch and the metal earth plate are positioned on the upper surface and the lower surface of the dielectric plate respectively; and the metal microstrip patch is perpendicular to the metal earth plate in a perpendicular transitional manner. Meanwhile, the invention also discloses a filter adjustment method and electronic equipment equipped with the filter. By adoption of the technical scheme, the wave-trapping width can be increased, and the wave-trapping conversion range can be enlarged, so that a wider actual application range is realized.

The invention relates to the technical field of conductive adhesives, in particular to bi-component conductive silica gel and a preparation method and application thereof. The bi-component conductive silica gel comprises an adhesive A and an adhesive B. The adhesive A is prepared from the following raw materials in parts by weight: 80 to 120 parts of alpha, omega-dihydroxy polydimethylsiloxane, 10 to 20 parts of diethylamino methyl triethoxy silane, 60 to 90 parts of nickel-coated graphite/carbon fiber, 1 to 3 parts of coupling agent, 5 to 15 parts of filler and 0.001 to 0.01 part of catalyst; The adhesive B is prepared from the following raw materials in parts by weight: 80 to 120 parts of alpha, omega-dihydroxy polydimethylsiloxane, 10 to 20 parts of diethylamino methyl triethoxy silane, 60 to 90 parts of nickel-coated graphite/carbon fiber, 1 to 3 parts of a coupling agent, 5 to 15 parts of filler and 3 to 5 parts of ethynyl cyclohexanol. The shielding effectiveness of the conductive silica gel can reach up to 138 dB and is more than 80 dB after aging, the shielding effectiveness is excellent, and the conductive silica gel can be widely applied to the repeater to shield electromagnetic interference of wireless communication equipment.

The invention discloses an all-sulfate tin electroplating additive and a plating solution thereof. The additive comprises 0.1-200 mg/L defoaming agent, 0.1-50 g/L fine crystal agent, 0.01-20 g/L leveling agent and 0.1-40 g/L antioxidant. The plating solution comprises 5-100 g/L stannous sulfate, 0.1-100 ml/L sulfuric acid, and 0.1-200 mg/L defoaming agent, 0.1-50 g/L fine crystal agent, 0.01-20 g/L leveling agent and 0.1-40 g/L antioxidant used as the additive. The additive disclosed by the invention is free of anionic, cationic and amphoteric surfactants, polyformaldehyde, polyethylene oxide, polypropylene oxide homopolymer, aldehydes, heterocyclic ring compounds, amine compounds, polyaminocarboxylic acid, sulfur amino acids and any organic solvent. The plating solution can be used for obtaining a matte plating with fine crystals and uniform coverage at the on-line speed of 0-800 m/minute.

The invention relates to the field of catalysts and discloses a supported catalyst, a preparation method thereof, application of the supported catalyst in propane dehydrogenation reaction for preparing propylene, and a propylene preparation method using propane dehydrogenation. The supported catalyst comprises a supporter and a platinum component, a tin component and a sodium component which are supported on the supporter, wherein the supporter is a spherical mesoporous material, the average particle size of the spherical mesoporous material is 3-20 micrometers, the specific surface area of the spherical mesoporous material is 1000-2000m<2>/g, the pore volume of the spherical mesoporous material is 0.5-1.5ml/g, and the pore diameter of the spherical mesoporous material is 1-3 nanometers. By using the supported catalyst to catalyze the propane dehydrogenation reaction for preparing the propylene, high propylene conversion rate is achieved, and high propylene selectivity is achieved.

The invention relates to an active green dye. The active green dye is characterized in that the green dye is as shown in a general formula (I) or a general formula (II).

The invention provides a method for improving the crude oil recovery ratio in an underground oil reservoir in a later period of oil field oil recovery. The method comprises the following steps of: a, injecting an ultra-high-molecular polymer solution into an injection well subjected to polymer-activating agent binary compound flooding to be used as a pre-slug, wherein the injection quantity is 0.05 to 0.1 time of stratum void volume, the concentration of ultra-high-molecular polymers is 1800 to 2300mg/L, and the viscosity is greater than 80mPa.s; and b, compounding the ultra-high-molecular polymers with the concentration being 1800 to 2300mg/L and the viscosity being 50mPa.s or above and anionic-non-ionic surfactants with the concentration being 2000 to 5000mg/L and the interface tension being smaller than 5.0*10<-3>mN/m according to the weight part mixture ratio being (0.15 to 0.18): (0.2 to 0.5); uniformly stirring the mixture; and injecting the mixture into the injection well, wherein the injection volume is 0.1 to 0.3 time of the stratum void volume; and c, finally injecting an ultra-high-molecular polymer solution with the concentration being 800 to 1200mg/L and the viscosity being 20 to 30mPa.s into the injection well to be used as a substrate protective slug, wherein the injection volume is 0.05 to 0.1 time of the stratum void volume.

The invention discloses an environment-friendly plastic material. The environment-friendly plastic material is prepared from the following raw materials in parts by weight: 40 to 110 parts of nylon, 35 to 70 parts of a cis-hexenoic anhydride-allyl benzene copolymer, 30 to 58 parts of 2-hydroxyl-4-octyloxyl 2-phenylbutyrophenone, 20 to 38 parts of butenyl distearamide, 15 to 30 parts of polybutylene terephthalate, 12 to 25 parts of polyether glycerin, 10 to 20 parts of paraffin wax, 10 to 15 parts of castor oil, 8 to 14 parts of AR glass fibers, 6 to 12 parts of carboxyethyl cellulose, 15 to 25 parts of a filling agent, 8 to 12 parts of an addition agent, 4 to 6 parts of a fire retardant, 3 to 5 parts of a smoke eliminating agent and 1 to 3 parts of an ultraviolet absorber. The environment-friendly plastic material disclosed by the invention is good in fire-retarding effect, high in anti-impacting capability and high in toughness and is the environment-friendly plastic material with excellent performances; the environment-friendly plastic material is low in preparation cost, can be popularized and applied and has remarkable economic and social benefits.

The invention relates to a preparation method of a super-hydrophobic three-dimensional graphene film. The preparation method comprises the following steps of adding polystyrene microspheres into a graphene oxide solution, and sucking and filtering to form a film; adopting a steam heating and reduction method to obtain a three-dimensional graphene film material; adopting a magnetron sputtering technique to carry out metal spraying treatment on the three-dimensional graphene film material, and modifying by thiol, so as to obtain the super-hydrophobic three-dimensional graphene film material. Thepreparation method is simple, and the super-hydrophobic three-dimensional graphene film material can be quickly prepared at room temperature. The prepared super-hydrophobic three-dimensional graphenefilm material has the advantages that the super-hydrophobic property is good, the density is low, the mechanical property is excellent, the oil absorbing rate is high, and the like; the important actual application prospect is realized in the fields of oil and water separation, flexible electric conduction and the like.

The invention discloses a cubic MOF-5 catalyst and a preparation method and application thereof in production of hydrogen peroxide through oxygen reduction. The preparation method of the catalyst comprises the following steps: by taking Zn (OAc)2.2H2O and terephthalic acid as reaction raw materials, PVP as an additive and NMP as a solvent, adding the reaction raw materials and the additive into the solvent, and uniformly mixing to form a reaction liquid system; placing the reaction liquid system in a microwave radiation environment for reaction; and after the reaction is finished, performing filtering, soaking a solid product in chloroform to remove guest molecules, then performing filtering, drying, and finally roasting in an argon atmosphere to obtain the cubic MOF-5 catalyst. The catalyst disclosed by the invention is simple in preparation process flow, free of noble metal loading and low in cost, has good hydrogen peroxide production electro-catalysis performance and stability when being applied to preparation of hydrogen peroxide through electro-catalysis oxygen reduction, and has huge application potential.

The present invention relates to a catalytic material for catalyzing a water electrolysis hydrogen evolution reaction under acidic conditions. The catalytic material comprises: a substrate; an amorphous alloy film formed on the substrate, wherein the amorphous alloy film contains at least one platinum-based metal element, at least one front transition metal element and at least one rear transition metal element, the composition of the amorphous alloy film is represented by the following chemical formula: (IraPtbPdc)(TidZreHffNbgTahMoiWj)(FekColNimCun), a, b, c, d, e, f, g, h, i, j, k, l, m, n are atomic fractions of each element, respectively, a + b + c is more than or equal to 20 and less than or equal to 30,d+e+f+g+h+i+j is more than or equal to 30 and less than or equal to 50,k+l+m+n is more than or equal to 30 and less than or equal to 50, anda+b+c+d+e+f+g+h+i+j+k+l+m+n is equal to 100. The invention also relates to a preparation method and application of the catalytic material.

The invention relates to an antistatic coating, which is characterized in that the coating comprises the following components in parts by weight: 20-40 parts of E-12 epoxy resins, 20-40 parts of polyester resins, 6-25 parts of organic silicon resins, 2-15 parts of pigments and 1-20 parts of antistatic agents. With the adoption of the antistatic coating, the antistatic property of the coating can be guaranteed, and meanwhile, the coating has excellent performances of adhesion, weather resistance, abrasion resistance, high-temperature resistance and the like.

The invention belongs to the technical field of production of semiconductor chips, and in particular relates to a curing method for photosensitive resin BCB. The method comprises the following steps of coating photosensitive BCB glue on the surface of an epitaxial wafer, forming a photosensitive BCB glue pattern on the surface of the epitaxial wafer by using a photoetching method; 2, etching the photosensitive BCB glue on the surface of the epitaxial wafer via a plasma reaction; 3, placing the etched epitaxial wafer into an annealing furnace, inputting the mixed gas of H2 and Ar for protection, raising the temperature from 50 DEG C to 275 DEG C in a multistage warming and heat-retaining manner, and keeping warm for 2h at the temperature of 275 DEG C; and 4, then increasing the flow for inputting the mixed gas of H2 and Ar to quickly reduce the temperature of the annealing furnace to the room temperature, and stopping inputting the mixed gas of H2 and Ar, thus completing curing. According to the curing method for the photosensitive resin BCB provided by the invention, the multistage warming and heat-retaining manner is used, so that the BCB polymerization reaction is more sufficient; and when in annealing, the mixed gas of H2 and Ar is used for replacing traditional N2 to serve as a protection gas, so that the possibility of oxidation and aging is reduced, and the BCB quality isimproved.

The invention discloses an assembled orthogonal mode converter-filter assembly, which comprises a sheet-shaped filter, an orthogonal mode converter and a right-angle turning waveguide, wherein the orthogonal mode converter and the right-angle turning waveguide are arranged at two sides of the sheet-shaped filter respectively, the upper surface and the lower surface of the orthogonal mode converter are respectively provided with a transmission port and a public port which penetrate through back and forth, a contact surface of the orthogonal mode converter and the sheet-shaped filter is provided with a coupling port, and the transmission port and the public port form a transmission channel therebetween through a step-shaped waveguide transformation structure; two sides of the sheet-shaped filter are provided with waveguide transmission ports respectively, and one of the waveguide transmission ports is connected with the coupling port of the orthogonal mode converter; and a contact surface of the right-angle turning waveguide and the sheet-shaped filter is provided with a waveguide input port, the waveguide input port is connected with the other waveguide transmission port of the sheet-shaped filter, and the right-angle turning waveguide is further provided with a waveguide output port. The assembled orthogonal mode converter-filter assembly has the characteristics of small size, ability of being debugging-free and the like, and the performance is significantly improved.

The invention discloses a logistics storage and transportation system for solid powder and granule goods. The logistics storage and transportation system comprises storage bins, containers and stacking sites; air outlets are formed in the upper portions of the storage bins, sedimentation boxes are arranged on the lower portions of the air outlets, discharging devices are arranged on the lower portions of the sedimentation boxes, hose connectors are formed in the side faces of the discharging devices, the storage bins are provided with storage bin discharging outlets and storage bin feeding inlets, and the containers are provided with container feeding inlets and container discharging outlets; the containers comprises container outer surfaces and lining tanks, lining tank discharging pipesare arranged on the side faces of the lining tanks, suction nozzles and adjusting valves are arranged at one ends of the discharging pipes, and butterfly valves and unloading pipe connectors are arranged at the other ends of the lining tank discharging pipes; and the containers are internally provided with air compressors and motors, and after the containers are connected with a power supply, automatic unloading is achieved. According to the logistics storage and transportation system, the storage and transportation cost of the solid powder and granule goods is lowered effectively, the labor intensity of a storage and transportation system in the prior art is lowered, and the operation link and the management link are reduced.

The invention relates to a piling machine drill pipe and a combination thereof. The piling machine drill pipe comprises a drill pipe body. A drill bit is arranged at the end of the drill pipe body. One or more first rotation blades perpendicular to the axis of the drill pipe body are arranged in the position, of the drill bit, of the drill pipe body. Nozzles are arranged on the side, facing the drill bit, of the first rotation blades and communicate with a channel in the drill pipe body through through holes in the first rotation blades. The side edges of the first rotation blades extend to form spiral blades spirally extending to the drill bit. A plurality of sets of rotation blade sets are further arranged on the drill pipe body. A plurality of inclined propelling blades are evenly arranged on the drill pipe body at intervals. The conical nozzles are arranged on the first rotation blades, square cement mixing piles can be formed, fan-shaped slurry outlet shapes can be sprayed, and the slurry spraying amount is even, so that the formed mixing pile has excellent performance; and the drill pipe combination comprises a forward drill pipe and a reverse drill pipe, and the mixing effect is greatly improved, so that the slurry and soil are fully mixed.

The invention relates to a testing support, in particular to a pullout testing support and method for modified ultrahigh molecular-weight polyethylene fiber resin. The pullout testing support comprises a support plate, two side ends of the support plate are provided with testing components respectively, and each testing component comprises a testing platform fixed with the support plate, a paper pipe is arranged below each testing platform, and more than one guide screw is arranged on the outer wall of the support plate. The testing platforms are provided with resin dies distributed correspondingly to the guide screws, and fibers are wound on the paper pipes and are fed into the resin dies through the outer walls of the testing platforms and the guide screws. The method is performed in steps of preparing and starting testing. The pullout testing support and method is simple in structure, outstanding in using performance and excellent in testing effect.

The invention relates to a silver thin film composited carbon sealing ring and a preparation method thereof, and solves problems of sealing material lubrication, high temperature oxidation and thermal expansion in oil heat extraction sealing technology and problems in composite technology of more sealing materials. A conventional sealing material composite technology and a sealing ring prepared by the conventional technology have the disadvantages that the sealing effect, the cold resisting effect and the heat resisting effect are bad. The method provided by the invention comprises the following steps: a silver film (2) is composited on the surface of a carbon ring (1), the inner diameter of the carbon ring is 10 cm, and the outer diameter of the carbon ring is 12 cm. The invention relates to the sealing ring and the preparation thereof.

The invention relates to the technical field of composite materials, and provides a black phosphorus modified polyimide composite material, a preparation method thereof, and an application of the black phosphorus modified polyimide composite material as a friction material. The black phosphorus modified polyimide composite material comprises, by mass, 50-80 parts of polyimide, 5-15 parts of polytetrafluoroethylene, 5-20 parts of carbon fibers, 5-15 parts of graphite, 5-10 parts of polyphenyl ester and 0.5-2 parts of black phosphorus. Results of embodiments in the invention show that the hardness (Shore D) of the black phosphorus modified polyimide composite material obtained in the invention is equal to or more than 85, the wear extent is equal to or less than 0.001 g/h, the elastic modulus is equal to or more than 9.5 GPa, the glass transition temperature is equal to or more than 260 DEG C, and the composite material has excellent performances.

The invention provides a method for preparing a lithium-ion battery anode material through iron-containing solid waste from electroflocculation printing-dyeing wastewater; the method comprises: filtering printing-dyeing wastewater, adding electrolyte sodium sulfate, electrolyzing through a metal iron electrode under the voltage of 0.5-10 V, settling by flocculating until the color of the solution fades, centrifuging, collecting solid precipitate, drying, and grinding into solid powder; mixing the solid powder with carbon black and polyvinylidene fluoride, adding N-methylpyrrolidone, grinding well to obtain slurry, applying the slurry to a copper plate, and drying to obtain the lithium-ion battery anode material. The method according to the invention is simple, has good performance, and has promising marketing application prospect; the concept of waste recycling, energy conservation and emission reduction, and environmental friendliness is embodied, and the requirement for social development is met.

The invention relates to a compound nano lithium titanate material and a preparation method thereof. The compound nano lithium titanate material comprises nanoscale lithium titanate particles and graphene, wherein the nanoscale lithium titanate particles are nano linear particles, the chemical constitution of the nanoscale lithium titanate particles is Li4Ti5O12, and graphene is dispersed among the nanoscale lithium titanate particles. The compound nano lithium titanate material has higher conductivity; after the compound nano lithium titanate material is prepared into a half cell, tests show that the specific discharge capacity is greater than 160 mAh/g; when the compound nano lithium titanate material is applied to the fields of lithium cells, supercapacitor and the like, the characteristic of high performance of circulation, multiplying power and the like is achieved.

The invention discloses activated carbon diatomite particles with well-developed pores and low cost. The activated carbon diatomite particles are characterized by being prepared from the following raw materials in parts by weight: 95-105 parts of fruit shell activated carbon, 30-35 parts of diatomite, 18-22 parts of traditional Chinese medicine residues, 22-26 parts of tung seed shells, 6-9 parts of kaoline, 1-2 parts of a silane coupling agent kh560, 3-4 parts of sodium sulfate, 4-6 parts of limestone powder, 2.5-3.5 parts of vitrified microspheres, 3.5-5 parts of silicon micro-powder, 3-5 parts of clay, 3-5 parts of active aluminum oxide, 4-6 parts of an absorbent additive and an appropriate amount of water. According to the method for preparing the activated carbon diatomite particles with the well-developed pores and the low cost, the materials such as the traditional Chinese medicine residues, and the tung seed shells are reused, dried, crushed and then added into the activated carbon and the diatomite, and the particles have sufficient sources of raw materials, the well-developed pores, the high absorption ability and the excellent property; the absorbent additive gives the special porosity of the particles and increases the contact time between gas and each particle; the particles prepared according to the method have the good desulfurization dedusting effect and the high porosity, and is low in cost and simple in production process, and therefore, the operation cost of dry desulfurization is greatly reduced.

The invention relates to the field of halogen-free environment-friendly polyamide resin, in particular to halogen-free, flame-retardant and highly-processable PA6T polyamide resin and a preparation method thereof. The PA6T polyamide resin is a polymer formed by taking 1,1,3,5-tetraphenol-3-ethylenediamine cyclotriphosphazene as a monomer and directly bonding the monomer into a molecular main chainof the PA6T polyamide resin. The preparation method comprises the following steps: directly adding hexanediamine, terephthalic acid and the 1,1,3,5-tetraphenol-3-ethylenediamine cyclotriphosphazene,which are taken as reactive monomers, into a high pressure reaction kettle, and embedding the 1,1,3,5-tetraphenol-3-ethylenediamine cyclotriphosphazene, used as the monomer, into the macromolecular chain of the PA6T polyamide resin by using three steps of methods, i.e., salifying, prepolymerization and solid phase polymerization so as to form the polymer. The PA6T polyamide resin modified by the method does not contain halogens and has high processability and good flame retardance.

The invention relates to an autoclaved/steam cured brick prepared from industrial waste, which relates to the technical field of recovery and utilization of industrial waste. Raw materials for the brick comprises, by weight, 15 to 25% of waste cement mortar, 40 to 60% of slag, 10 to 30% of medium sand and 5 to 20% of broken stone, wherein, the slag contains 0.2 to 0.5 wt % of an exciting agent, in which the weight ratio of sodium silicate to sodium sulfate to sodium formate is 1:1:0.5. A preparation process comprises the following steps: stirring of the raw materials; pressing and molding, wherein, pressure for molding is 8 to 10 MPa, and time for molding is 25 to 30 s; maintaining with steam. The invention has the following advantages: the preparation process is simple, a production period is short, treatment cost is saved, pollution of waste to environment is avoided, and cost for making bricks is reduced; the exciting agent is added, a formula for the exciting agent is simple, the exciting agent can play a role in excitation and gelatinization and has no specific requirements for density and fluidity of waste cement mortar, process procedures are reduced, and all the propertiesof the prepared autoclaved/steam cured brick are excellent.

The invention discloses a Ka-band antenna phase calibration testing device, and the device comprises an integrated power dividing network, an angle measurement antenna unit, and a connecting apparatus. The integrated power dividing network comprises a 3dB power divider, a 4.77dB power divider, a built-in coupler, an E-plane bent waveguide, an H-face bent waveguide, internal loads, an external matching load, a first cover plate, and a second cover plate. The 3dB power divider, the 4.77dB power divider and the built-in coupler are in integrated connection through the E-plane bent waveguide and the H-face bent waveguide to form a seven-port part, wherein one port is an input port, and other six ports are output ports. Five output ports are connected with the angle measurement antenna unit, and the other one output port is connected with the external matching load. The angle measurement antenna unit is connected with a detected antenna unit through the connecting device. All isolated portsof the integrated power dividing network are respectively provided with the internal loads, and the integrated power dividing network is closed through the first cover plate and the second cover plate. The device avoids the impact from a working environment in an antenna phase calibration test, and improves the antenna phase calibration precision.

The embodiment of the invention discloses a method for manufacturing an array base plate. The method comprises the following steps that a grid metal thin film is formed on a substrate base plate, a first monochromatic mask plate is adopted, and a pattern comprising a grid electrode scanning line and a grid electrode is formed; a grid insulating layer thin film, an active layer thin film and a source leakage metal thin film are successively deposited on the substrate base plate on which the pattern is formed, the source leakage metal thin film is coated with photoresist, a gray-scale mask plate is adopted to carry out exposure and development on the photoresist, and a source electrode, a leakage electrode, a channel, a through hole in a public electrode lead connection area and a through hole in a grid lead connection area are formed based on the photoresist ashing technique and etching, wherein the gray-scale mask plate correspondingly has three or more light ray transmittances; a passivation layer is formed on the substrate base plate on which the pattern is formed based on the photolithography technique; a pixel electrode is formed on the substrate base plate on which the pattern is formed based on the photolithography technique. By means of the embodiment, the cost for manufacturing the array base plate can be reduced, and the performance of the array base plate can be improved.

The invention discloses anti-twisting embedded automobile damper hydraulic disassembling and assembling equipment. The anti-twisting embedded automobile damper hydraulic disassembling and assembling equipment structurally comprises an anti-twisting machine body, a hole position groove rod, an assembling sliding block, a hydraulic auxiliary clamping base, a hydraulic lifting device and a damping base; and the upper right portion of the anti-twisting machine body is provided with the assembling sliding block and connected with the assembling sliding block in a locking mode, and the lower left portion of the anti-twisting machine body is provided with the hydraulic auxiliary clamping base. When the equipment is used, an anti-twisting mechanism is arranged, the problem that when a spring is installed in a pressing mode, a spring body has a certain length, a clamping rod serves as general disassembling and assembling equipment and is used for clamping the upper portion of the spring, then the extrusion force can not enable the spring body to be twisted, part of the spring section is deformed, and then the whole damping effect is influenced after a damper is installed is solved, clampingis more stable when the spring is pressed by the equipment, and the inherent elastic potential energy of the spring is guaranteed.

The invention discloses a mineral oil defoamer. The mineral oil defoamer comprises, by mass, 45-75% of mineral oil including 80-90% of mineral oil A and 10-20% of mineral oil B, 2-15% of a defoaming substance A, 0.5-5.5% of a defoaming substance B, 2-18% of a defoaming substance C, 0.1-0.5% of a defoaming aid and 5-16% of an emulsifier. The defoamer stably plays a role.

The invention relates to the technical field of packaging, particularly a production method of a paper packaging material. The production method comprises the following steps: by using plain paper as a substrate, printing on the front surface of the plain paper, coating an adhesive A on the back surface of the plain paper, bonding the adhesive A with a polyethylene terephthalate-1,4-cyclohexanedimethanol ester layer, and finally, carrying out press fitting at normal temperature under ultraviolet light to obtain the product. Compared with the prior art, the prepared product has the advantages of higher environment friendliness, low production energy consumption, favorable printability, high moisture resistance, high tear resistance, high durability and favorable bearing capacity.

The invention discloses a JPEG interface and a digital image processing system, and the JPEG interface comprises a JPEG compression module which is used for compressing an image, and also comprises a main control module which can achieve the data processing operation of interface data conversion and the like, and enables the processed image data to be stored in a storage queue, thereby guaranteeing the integrity of the image data. The JPEG interface provided by the invention can realize various functions required by image data compression, so that when the JPEG interface provided by the invention is applied to the digital image processing system, an auxiliary module does not need to be designed, the realization is simple, and meanwhile, the AXI can obtain more excellent performance with a smaller area and lower power consumption when the AXI is applied to the digital image processing system.

A U-band microwave direct modulation system comprises a C-band local oscillation circuit, a C-band amplification circuit, a U-band 8-frequency multiplication circuit, a U-band QPSK microwave direct modulation circuit and a level conversion circuit. The C-band local oscillator circuit takes a high-stability reference source as an input, performs sampling phase locking on the high-stability reference source, and generates C-band carrier waves with extremely low phase noise; the C-band amplifying circuit is used for carrying out power amplification and isolation on the C-band carrier with extremely low phase noise; the U-frequency band 8-frequency multiplication circuit is used for carrying out multiple harmonic frequency multiplication and isolation on the amplified and isolated C-frequencyband carrier wave with extremely low phase noise so as to generate a U-frequency band carrier wave; the level conversion circuit performs bipolar conversion on the external data to obtain bipolar level data; and the QPSK microwave direct modulation circuit of the U frequency band modulates the phase of the carrier of the U frequency band under the data driving of the bipolar level to realize QPSKmodulation so as to obtain a QPSK modulation signal, and the QPSK modulation signal is isolated and then output.