43results about How to "Reduce mistakes" patented technology

The invention discloses a laser radar, a data processing method, a data processing module and a medium, the laser radar comprises a rotary scanning mechanism, a receiving optical module, an echo detection module and an image acquisition module, and the rotary scanning mechanism is suitable for rotating through a mechanical device; the receiving optical module is suitable for transmitting incident light to the echo detection module and the image acquisition module in the rotating process of the rotary scanning mechanism; the echo detection module is suitable for acquiring an echo signal from the incident light emitted by the receiving optical module to obtain echo detection information; and the image acquisition module is suitable for converting the incident light incident through the receiving optical module into a corresponding electric signal to obtain image information. By adopting the scheme, the view field matching degree and the time synchronization between the image data and the point cloud data can be improved, and the accuracy of the image data and the point cloud data can be ensured.

The invention relates to the technical field of liquid crystal panel production, and discloses substrate glass light transmittance detection equipment and a substrate glass preparation process. The substrate glass light transmittance detection equipment comprises an electric sliding rail, a differential mechanism, a hydraulic machine, a light emitter, a light receiver and an air compressor, a detection support is arranged above the electric sliding rail, and two telescopic lifting rods are arranged on the detection support in a lifting mode; hydraulic machines are arranged at the top ends of the telescopic lifting rods, detector mounting blocks are arranged at the bottom ends of the telescopic lifting rods, and a light emitter and a light receiver are arranged at the bottom ends of the two telescopic lifting rods correspondingly. The two telescopic lifting rods which are correspondingly arranged and can slide in the annular grooves are arranged, the two driving cross rods are driven by the driving shafts to synchronously rotate, the driving cross rods synchronously rotate and are transmitted to the two telescopic lifting rods through the connecting rings to enable the two telescopic lifting rods to synchronously rotate, and then the included angles between the two telescopic lifting rods and the glass substrate can be adjusted; and therefore, the light transmittance of different angles of each point in the same column position can be further detected.

The invention provides a pump body machining device. The pump body machining device comprises a center shaft and fixed wheels arranged on the center shaft. Each fixed wheel is provided with four concentric installation holes parallel in the axial direction, and screw holes leading to centers of the installation holes are formed in the side face of each fixed wheel. The number of the fixed wheels is from one to four, and especially the number of the fixed wheels is two. Each installation hole corresponds to two screw holes. In the process of use, the pump body machining device is arranged on a common lathe, two ends of the center shaft of the pump body machining device are fixed, then gear pump body machining pieces are arranged in the four installation holes of each fixed wheel, and screws are screwed into the screw holes to fix a gear pump body. In the process of machining, two ends of the gear pump body are respectively provided with a cutting knife, and therefore molding can be achieved by once cutting.

The invention provides a positioning linear calibration method and system for receiving a WiFi RSSI value based on a mobile phone. The positioning linear calibration method comprises the following steps that 1, RSSI values of APs which can be searched are collected at the same position by using mobile phones of various models in an indoor environment covered by WiFi; step 2, through data analysis,selecting the mobile phone with the minimum RSSI value fluctuation interval as a standard mobile phone, then respectively acquiring RSSI values of all APs at the same acquisition point by using the other mobile phones and the standard mobile phone, preprocessing the RSSI values, and establishing a linear model of the RSSI values between the other mobile phones and the standard mobile phone; step3, automatically calling a corresponding model when the calibrated mobile phone is used for acquiring the RSSI value of the WiFi, and correcting the RSSI value into the RSSI value of the standard mobile phone; the calibration method is used for correcting the RSSI value of the WiFi received by each mobile phone, so that the RSSI values of the WiFi received by the mobile phone used for positioningand the standard mobile phone at the same position tend to be consistent, errors caused by heterogeneity of the mobile phone can be effectively reduced, and the indoor positioning precision is improved.

The invention relates to a packing scale for proportioning and weighing various materials. The packing scale comprises a rack and is characterized in that the rack is provided with a feeding device, a distribution chute is arranged at a feeding hole formed in the upper part of the feeding device, and a weighing scale is arranged at a discharging hole formed in the lower part of the feeding device and is provided with a discharging hopper; the distribution chute comprises a distribution chute body, a first material inlet and a second material inlet are formed in the upper part of the distribution chute body, and a distributing chute discharging hole is formed in the bottom of the distribution chute body; and an insertion plate is arranged between the first material inlet and the second material inlet, extends from an insertion chute formed in the distribution chute body to the inside of the distribution chute body and is used for partitioning the first material inlet and the second material inlet. The first material inlet is connected with an insertion plate valve. The first material inlet is connected with an outlet of the insertion plate valve through a floating connecting pipe. The second material inlet is provided with a cover plate. The packing scale is used for proportioning and feeding various materials and is capable of ensuring the weighing precision and reducing errors.

The invention discloses a special color digital printing method which comprises the following steps that: (1) required printing colors are classified by a computer; (2) the classified colors are mixed and adjusted, and the adjusted colors are arranged in twelve to twenty-four ink cartridges of a digital printing machine; each ink cartridge is equipped with a sensitive printing head, so that each ink cartridge can be controlled freely; after the ink cartridges are arranged, the digital printing machine prints the adjusted colors onto a textile which receives preliminary treatment, and patterns are formed; and (3) the printed textile is steamed (fixed), washed by water (to remove the pigment on the surface of the textile) and dried, and a finished product is formed after a drying step. After the method is adopted, the patterns which are printed on the textile are bright.

The invention discloses a pressure balance electromagnetic flowmeter, a flow control system and a flow control method. The flowmeter comprises a central processing unit, and a communication module, apulse output end and a current output end which are connected with the central processing unit. The pulse output end and the current output end are respectively configured as a switchable valve opening input end and an analog control output end. The system comprises an electromagnetic flowmeter, a valve and an upper computer. The upper computer is used for setting target flow and an error band. The method comprises the steps that S1, when the pressure of a current pipeline needs to be increased, the electromagnetic flowmeter outputs a control signal larger than the current analog quantity, andotherwise, the electromagnetic flowmeter outputs a control signal smaller than the current analog quantity; S2, the valve adjusts the opening degree of the valve according to the analog quantity andfeeds back the adjustment result to the electromagnetic flowmeter; S3, when the electromagnetic flowmeter judges that the difference between the current pipeline flow and the preset target flow is within the preset error band, a current valve feedback signal is output to the valve as a valve control signal; and S4, when the pressure of the current pipeline changes, the steps are repeated.

The invention relates to a method, a device, an apparatus for detecting genovariation points, and a storage medium, and is applied to the technical field of gene detection. The method for detecting genovariation points comprises generating a data mapping matrix according to a to-be-detected gene; using a pre-trained neural network model to preprocess the data mapping matrix, to obtain a sequence specificity result of the to-be-detected gene; comparing the sequence specificity result with a pre-established specificity curve; and determining a variation point of the to-be-detected gene accordingto a comparison result.

The invention discloses a graphite boat identification system for silicon chip production. The system comprises a stand, a conveyor belt arranged on the stand, graphite boats arranged on the conveyor belt and used for loading silicon chips, a code reader, a position sensor and an industrial personal computer, wherein two-dimensional codes with different contents are engraved on the surface of the same side of each graphite boat, and are read and transmitted to the industrial personal computer for recording through the code reader. The invention further discloses a method for performing identification by virtue of the graphite boat identification system. According to the system and the method, the two-dimensional codes are engraved on the graphite boats, and the contents of the two-dimensional codes are accurately read through the code reader, and are transmitted to the industrial personal computer for recording, so that manual operation is avoided by the reading of the code reader, errors are reduced, and production efficiency can be greatly improved.

The invention relates to the field of computer image processing and particularly relates to a reality testing method for a design drawing. The reality testing method comprises the following steps of: carrying out reality longitude-latitude coordinate mapping on the design drawing to enable a picture coordinate of each pixel point on the design drawing to be corresponded to a reality longitude-latitude coordinate, and enabling the design drawing subjected to the coordinate mapping to be corresponded to the real earth; or covering the design drawing subjected to the coordinate mapping on a map of the real earth, wherein the longitude-latitude coordinate of the design drawing is corresponding to that of the real earth. According to the reality testing method for the design drawing, the corresponding between the design drawing and the real earth is realized, so that the design drawing can be viewed based on the map of the real earth and subjected to reality testing, and users can conveniently carry out various relevant outdoor earth applications to reduce errors and fast consulting offset according to the design drawing.

The invention discloses a viewer and especially relates to a pupil viewer for medical diagnosis. The pupil viewer comprises a hollow rod in tapered shape; a transparent scale plate with a pupil gauge is arranged at the smaller end of the hollow rod; an amplifier is arranged at the larger end of the hollow rod; the transparent scale plate, the amplifier and the hollow rod are encircled into a closed space; the thickness of the transparent scale plate is uniform. When the medical care personnel measure the pupil of the patient, the medical care personnel can directly read the number by referring to the pupil gauge on the scale plate, so that the pupil size of the patient can be quickly and accurately measured. For the ultra-small pupil, the light reflex of the pupil can be timely captured under the effect of the amplifier, so that the error can be reduced and the operation is simple.

The invention relates to wireless monitoring distance measurement technology improvement and provides a monitoring-based distance measurement method. The distance measurement method includes the following steps that: A, all agent nodes simultaneously send signals to anchor nodes in a point-to-point manner; all anchor nodes return signals, so that an RTM (round trip measurement) process can be completed; and C, a monitoring node obtains position information according to the interaction information of the agent nodes and the anchor nodes so as to obtain distances between the agent nodes and the anchor nodes. With monitoring-based distance measurement adopted, when signal attenuation is more and more serious, positioning accuracy can be effectively improved, and errors can be reduced.

Provided is a wind power prediction method and system. The method includes the steps of forecasting whether the possibility of extreme weather exists or not according to received weather data; if so, recording effect data related to the extreme weather; determining a correction factor of a wind field to be predicted according to all previous historical operating data corresponding to extreme weather of the wind field to be predicted; determining an impact factor of the extreme weather on wind generator generation power according to the effect data and the correction factor; determining affect parameters of wind generator generation related to the extreme weather according to the impact factor; adjusting the wind generator generation power predicted through an existing wind power prediction system of the wind field to be predicted according to the correction factor and the affect parameters of wind generator generation, and setting the adjusted power as the generation power of wind generators of the wind field to be predicted. By means of the wind power prediction method and system, the accuracy of wind power prediction under the condition of extreme weather is improved and an error between the prediction power and the actual power is greatly reduced.

The invention discloses a seamless steel tube residual stress uncertainty detection method which comprises the following steps: sanding a steel tube surface, cleaning with alcohol, sequentially attaching strain gages to selected patch points perpendicular to the steel tube axis, and measuring the initial stress value of the steel tube by a stress gauge; determining the position of the notch in the steel tube, cutting longitudinally in the axial direction, measuring the stress value of the steel tube by a stress gauge, and calculating the hoop residual stress of the steel pipe, thereby obtaining the steel tube uncertainty. The method can reduce the errors and enhance the detection efficiency.

The invention discloses a method for evaluating the calculation characteristics of an LE grid of an icosahedron and a discretization method, and the method comprises the steps: (1), defining elementsin an LE jump point grid of an icosahedron triangle for the discretization of the LE jump point grid; (2) carrying out discretization on the basis of an LE grid, giving a discretization operator, andgiving the divergence expression of any vector field, the rotation expression of any vector field F, the normal guide expression of any scalar field g and the tangential guide of any scalar field g for the triangular grid according to the definitions of divergence, rotation, derivative and tangential guide of the triangular grid; (3) decomposing the momentum equation into a component form, and substituting the discrete operator in the step (2) into the component form to obtain a corresponding discrete form; similarly, substituting the discrete operator given in the step (2) into the continuousequation to obtain a spatial discrete form of the discrete operator. The discrete format of the method provided by the invention is more conformal than the format on an icosahedron hexagonal C grid which is commonly used at present, the error is smaller, and the conservation of mass and total energy is better.

The invention discloses a conversion device for a high temperature modal test and a vibration test method. The conversion device comprises at least one conversion portion. The conversion portion comprises a metal rod, a connection rod and a sensor, wherein the metal rod is vertically arranged with an axial direction of a test piece which is about to carry out vibration testing and the test piece passes through the metal rod; the connection rod is connected with a lower end of the metal rod and an axis of the connection rod is arranged oppositely to the axis of the metal rod; and the sensor used for testing a vibration signal of the test piece is connected to the lower end of the connection rod.