30 results about "Terrain" patented technology

The invention discloses an underwater three dimensional terrain reconstruction method based on multi-beam sonar data, comprising the following steps of: firstly, collecting echo wave strength data and also measuring sounding data; secondly, carrying out linear interpolation on the sounding data and obtaining the sounding data having the same space resolution with the echo wave strength data; thirdly, calculating an angle and a range between a beam of each sounding data point and a horizontal line; fourthly, calculating the beam incident angle of each sounding data point by a point-by-point way; fifthly, fitting model parameters of a reflection model based on the echo wave strength data and correcting the angle between the beam and the horizontal line; seventhly, setting an iteration number N and enabling an average relative error absolute valve of estimated echo wave strength data and the collected echo wave strength data to be minimum; and eighthly, calculating sounding data and reconstructing an underwater three dimensional terrain. The method can enhance the space resolution of the sounding data and has an important significance on the aspects of underwater substance exploration, three dimensional visualization, underwater target detection and the like. The reconstructed underwater three dimensional terrain is also nearer to the real terrain.

The invention discloses a method for automatic extraction of an orthoimage embedding line based on projection digital elevation models. The method comprises the steps that firstly, the projection digital elevation model of a single orthoimage is obtained; secondly, an orthoimage pair to be embedded is determined; thirdly, the projection digital elevation models of the orthoimage pair to be embedded are overlapped according to geographic coordinates, an overlapping image is obtained, the overlapping image is binarized, and then the binary overlapping image is obtained; fourthly, the image morphological method is adopted for extracting skeleton lines of the binary overlapping image, a skeleton line network is obtained, the Dijkstra algorithm is adopted for searching the skeleton line network for the shortest path, namely the embedding line of the orthoimage pair to be embedded. By means of the method, the high-quality orthoimage embedding line can be obtained automatically, and the production efficiency of orthoimage products can be improved; meanwhile, information of digital terrain model data and digital surface model data is used for searching for the embedding line, and therefore the quality of the orthoimage products can be improved.

The invention relates to deep-sea mining operation equipment, and specifically relates to a submarine mining vehicle walking chassis and self-rescue method thereof. one ends of front and rear telescoping racks are respectively in telescoping connection with the front and rear sides of a body; push-and-pull oil cylinders are installed on the front and rear sides of the body; piston rods of the twopush-and-pull oil cylinders are connected to the front and rear telescoping racks; the front and rear telescoping racks can stretch out and draw back through the driving of the push-and-pull oil cylinders; the other ends of the front and rear telescoping racks are connected to stepping oil cylinders; piston rods of the stepping oil cylinders are connected to supporting sliding shoes which can accomplish the support stepping when the slipping or difficult travelling of a track system occurs; and the elevating of the supporting sliding shoes can be realized through the driving of the stepping oil cylinders. Through the combination of track travelling and support stepping, the walking chassis can adapt various complex terrains on the deep seabed, perform timely self-rescue when the slipping or difficult travelling of tracks occurs, and successfully accomplish deep seabed mining missions.

The invention relates to a pipe mounting construction technology, in particular to a construction method for mounting a large-diameter pipe by applying a cableway in a complex mountain terrain, and solves the problems of long construction period, high construction strength, severe disruption of local vegetation environment and high construction difficulty in a traditional long-distance mounting construction technology of the large-diameter pipe under the condition of complex mountain terrain. The construction method for mounting the large-diameter pipe by applying the cableway in the complex mountain terrain is realized by the steps of: (a) installation of an aerial cableway: two bearing cable ground anchors, a lifting cable ground anchor, a support column, a winch, a turning fixed pulley, a bearing cable, a bearing saddle base, a traction cable, two lifting fixed pulleys, a counterweight, a lifting movable pulley, a lifting cable and a lifting hook are selected; (b) transportation of pipe joints; (c) placement in position of the pipe joints; and (d) assembly of the pipe joints. The construction method is suitable for long-distance mounting construction of the large-diameter pipe under the condition of complex mountain terrain.

The invention discloses a portable multifunctional farming machine. The portable multifunctional farming machine comprises a machine body, and a walk supporting device used for supporting the machine body to walk is arranged below the machine body. The portable multifunctional farming machine is characterized in that a reciprocating swing rocker is arranged on the machine body, a digging shoveling body capable of digging and shoveling downwards and backwards is arranged at the front end of the rocker, and a driving device for driving the rocker to swing is arranged on the machine body. By means of the portable multifunctional farming machine, the defects in the prior art are overcome, the portable multifunctional farming machine is simple in structure, portable, easy to operate, suitable for a small field and complex terrain, safer and more durable, sundry winding can be avoided during working, the earth cutting function, the ditching function and the weeding function can be achieved, and a traditional hoe can be replaced.

The invention provides a phase changing flapping mechanism and a dragonfly-imitated flapping wing aircraft. The phase changing flapping mechanism comprises a body bracket, a screw mechanism fixed on the body bracket and a rotary driving mechanism, wherein the screw mechanism comprises a screw, a nut matched with one end of the screw, a sliding rail fixedly connected to one side of the nut, a sliding block matched with the sliding rail and a sliding driving mechanism driving the nut to move back and forth along the sliding rail; and the rotary driving mechanism comprises a driving motor and a transmission mechanism connecting the driving motor and the sliding block. The phase changing flapping mechanism and the dragonfly-imitated flapping wing aircraft are simple in structure, convenient tomanufacture and low in cost, and flapping parameters of the flapping-wing aircraft can be changed in the flight process, so that the flight posture of the aircraft is changed, different flapping functions are realized, the flapping-wing aircraft is enabled to hover for flight, the flexibility is enhanced, and the application value of the dragonfly-imitated flapping-wing aircraft in the fields ofmilitary reconnaissance, complex terrain observation and the like is improved.

The invention discloses a miniature corn harvester. The miniature corn harvester comprises a vehicle frame, an engine, a gearbox device and a transmission case device which are in transmission connection with the engine, a traveling device which is in transmission connection with the gearbox device, a header device which is connected with the transmission case device, a reciprocating cutting knife device which is in transmission connection with the gearbox device, and a corn loading bucket which is arranged on the vehicle frame, wherein the header device comprises a first ear-picking roller device and a second ear-picking roller device which are arranged in parallel; the outer circumferential surfaces of the first ear-picking roller device and the second ear-picking roller device are surrounded by helical bulges; space through which corn can fall off is formed at the bottoms of the first ear-picking roller device and the second ear-picking roller device; the corn loading bucket is positioned on the lower part of the space which is formed at the bottoms of the first ear-picking roller device and the second ear-picking roller device and through which the corn can fall off; and the header device also comprises a poking rod device which is fixed at the front end of the header device. Therefore, the miniature corn harvester has a simple structure, is small in weight and size and high in flexibility, and is suitable for various complex terrains.

The present invention relates to a device and method for controlling the movement of a games character, which enable character movement of a type in which a character in the game jumps down and falls freely from an elevated height following an action by the games player, or progresses forwards in the direction of movement if another action is performed. The present invention has the advantageous effect that the appeal of a game is maximized as the movement time and the movement distance differ depending on the terrain and updrafts in the game even though the degree of freedom for actions is small.

The invention relates to a repellent and a lure for Ips subelongatus Motschulsky and preparation methods thereof, belonging to the technical field of prevention and control of Ips subelongatus Motschulsky. The repellent comprises one or a mixture of more than two selected from the group consisting of trans-verbenol, cis-3-hexen-1-ol, linalool and R-alpha-pinene. The repellent provided by the invention has good release performance, repellent activity and stability and broad industrialization prospects; and since the preparation method for the repellent is simple, the repellent is especially applicable to large-area popularization in production, so mass prevention and mass control effects aiming at harm of Ips subelongatus Motschulsky are achieved. Combined use of the repellent and the lure is suitable for comprehensive prevention and control of Ips subelongatus Motschulsky in a place with a large occurrence area and complex topography and terrain, so Ips subelongatus Motschulsky push-and-pull technology is applied to prevention and control of the harm of Ips subelongatus Motschulsky, and good economic benefits, social benefits and ecological benefits are obtained.

The invention relates to a sandy soil solidification device based on an unmanned aerial vehicle and a control method. According to the sandy soil solidification device based on the unmanned aerial vehicle and the control method, the problems that in the wind-sand soil solidification treatment, a traditional manual spraying mode is time-consuming and labor-consuming, the spraying range is limited,complex terrains are not easy to spray, the spraying liquid amount and the spraying frequency are greatly influenced by human factors, and a spraying liquid is constant in concentration and cannot adapt to local conditions can be effectively solved, the labor cost is reduced to the maximum, the characteristics that the terrain intelligent recognition is achieved, spraying positioning is accurate,the spraying concentration and speed can be intelligently adjusted, and a consumable module supports rapid replacement are achieved, and the high-efficiency solidification operation capability of thewind-sand soil under various environmental conditions is achieved.

The invention provides an aquaculture method of ostrea plicatula. The method comprises the following steps: 1. selecting an aquaculture area according to the conditions of 5-15m water depth during low tide, 40-60cm/s water speed, substrate of sediment or sand, over 50cm transparency, no eddy and no reverse bump flow; 2. selecting a seedling collection ground which locates in the border region between middle and low tidal regions of inner bar with parent oysters and is the sandy mud flat of slower flow rate and flat terrain; 3. arranging a seedling collection support through taking moso bamboo or batten as support bar and putting up a shelf of 1-1.5m wide and 40-50cm away from the bottom; 4. arranging a cultivation stand of 1.5-2m space among shelf pillars and 1-1.5m away from the bottom; 5. horizontally hanging ostrea strings in the direction of following wind with the string spacing of 15-20cm. Through horizontally hanging ostrea strings which makes water resistance small and keeps water flowing, the method avoids bottom mud rising, the asphyxiated death of ostrea strings in mud as well as the dropping and twining of ostrea strings. The aquaculture method of ostrea plicatula is suitable to be applied in shallow aquaculture.

The invention discloses a mineral searching calibration method and system for element geochemical data screening, and relates to the technical field of mineral products, and the method is characterized by comprising: dividing a target area into a plurality of terrain areas of different terrain types; sampling and collecting target object element measurement data in the terrain area; fitting the target object element measurement data to obtain fitting element distribution information in one-to-one correspondence with the topographic areas; carrying out extrapolation interpolation processing on the fitting element distribution information of the current terrain area to a preset range area of the adjacent terrain area to obtain extrapolation element distribution information; carrying out smoothing processing according to the distribution condition of the element distribution information of the two target objects at the corresponding contour line tracks in the adjacent topographic regions, and then constructing an element contour diagram of the target region; and dividing the element equivalent value into a determined mining area, a to-be-determined area and a determined non-mining area. According to the method and system, calibration information with small errors and high accuracy can be obtained, and data support is provided for further research on mineral distribution.

Disclosed is a portable target training device that offers a versatile means of conducting target training, which may be adapted for use on varying terrain, outdoors, indoors, in scenario training, and in conjunction with accessories that affect both the exterior and interior conditions of the training device. The present invention houses a plurality of targets and/or obstacles that may be positioned in a manner that suits users' requirements. Users may adapt the training device and its interior targets for use in and on a wide variety of terrain, outdoors, indoors, in various scenarios, and with accessories that artificially simulate various environmental conditions. Various types of training may be performed within the training device, including, but not limited to, Percussion, traditional or nontraditional weapons, non-live round firearms training, martial arts training, melee weapon training, and mock firearm training.

The invention relates to the technical field of computer graphics, in particular to a batch rendering method for static models of a terrain system. The invention has the advantages that the batch rendering method is combined with the hardware query technology, LOD (Level Of Detail) technology and the static batching technology, and also optimizes the rendering of invisible objects, namely, the batch rendering method sets transparent objects instead of rendering the visible and invisible objects at a time in the conventional mode or disconnecting the static flow for separate rendering, on one hand, the rendering times is not increased, a static vertex has no need to be changed, on the other hand, the loss in rendering is also reduced.

The invention relates to a piped water supply combined folding convenient-to-move energy-saving irrigation system, which is an irrigation system that can be adapted to various terrains, does not depend on a large number of supporting farmland facilities and can be adapted to various surface conditions and the growth states of crops to carry out high-efficiency, energy-saving mechanized irrigation on large areas. The system consists of a water supply part, a water delivery part, a field traveling part, an irrigating part and a system-moving part, each of which is modularized, and not only can the system operate alone, but also a plurality of systems can cooperate with one another to operate. The field traveling part adopts a folding structure, and after the field traveling part is folded, the system is flexible and maneuverable and therefore can be conveniently transported on the road. The system adopts a pipeline to supply water, and does not demand supporting facilities on farmlands. The rolled pipeline is a waterless empty pipeline, consequently, the weight of the field traveling part is reduced, and thereby the energy consumption is reduced. The irrigating part can be provided with a variety of irrigating function units to carry out a variety of modes of irrigation, and can also combine a variety of irrigation modes together according to the requirement of operation to carry out combined irrigation.

The invention relates to an intelligent oil exploration device with the high exploration accuracy. The intelligent oil exploration device with the high exploration accuracy comprises a main body and aplurality of moving wheels, wherein a buffer slot and a buffer mechanism are arranged in the main body; a buffer block is arranged in the buffer slot; a measurement chamber is arranged in the bufferblock; a vertical mechanism and a probe are arranged in the measurement chamber; the buffer mechanism comprises a support unit and two connecting units; and the vertical mechanism comprises a rotary shaft, a limiting unit, a fixing rod, two bearings and two connecting rods. According to the intelligent oil exploration device with the high exploration accuracy, through the buffer mechanism, the occurrence of the phenomenon that fierce vibration generated when the device moves on the rugged ground is transmitted to the probe, and the probe is damaged due to excessive vibration can be avoided; and in addition, through the vertical direction, the oil exploration device can enable the detection direction of the probe to be vertical all the time, so that the occurrence of the phenomenon that errors occurred on the oil field position information obtained through explorating since the exploration direction is tilted when the oil exploration device is used for explorating on the inclined terrain is prevented.

The invention discloses an air-drop accurate positioning instrument, which comprises an accurate positioning system, and is characterized in that the accurate positioning system comprises a processor,a communication module, a navigation module, an anti-seismic module, a supervision system, a control system, an optimized route generation module and a power system; the communication module, the navigation module, the anti-seismic module, the supervision system, the control system, the optimized route generation module and the power system are in bidirectional connection with the processor, thenavigation module comprises a Beidou navigation unit, an image recognition unit and a terrain matching unit, and the power system comprises a wind resistance conversion unit and a power adjustment unit. The invention relates to the technical field of material airdrop accurate positioning. According to the air-drop precise positioning instrument, the precise positioning system is arranged, the navigation positioning and control technology has redundancy, it is powerfully guaranteed that the positioning control technology is effective and available in real time, wind power hybrid power is used as trajectory control power, trajectory adjustment can be conducted by means of wind resistance, and the stability of the motion trajectory is further improved.

The invention discloses an irregular ocean surface area calculation method based on region filling, relates to the field of navigation, and solves the problems that an algorithm in the prior art is complex, time-consuming and affected by terrains. Determining a to-be-calculated area according to the accurate longitude and latitude points; filling the to-be-calculated region into the blank surface region by using a color by using a filling algorithm; judging whether all pixel points in the to-be-calculated area are filled or not, and recording the states of the pixel points; and calculating the area of each pixel point in the to-be-calculated region, and accumulating and summing all the filled pixel points to obtain the ocean surface area of the to-be-calculated region. The method is high in precision, small in boundary identification and processing operand, high in efficiency of adding and calculating pixel points, short in time consumption, controllable in precision, and capable of quickly and accurately calculating the sea surface area of any region of the earth, and is basically not influenced by topographic relief. The method not only can meet the actual requirement of directional and accurate calculation of the irregular sea surface area, fills the technical blank, but also can generate great social benefits and economic benefits.

The invention discloses a land planning and designing area measuring instrument convenient to operate and a measuring method thereof, and the measuring instrument comprises a measuring instrument main body, a display supporting frame arranged in a groove in the measuring instrument main body, and a supporting base for supporting the measuring instrument main body. Horizontal supporting of the measuring instrument body by the supporting base is kept, the accuracy of land area measurement after the measuring instrument body and a satellite are connected with a signal is improved, the height of the measuring instrument body supported on the ground is adjusted through stretching and retracting of the telescopic assembly, the measuring instrument is suitable for ground area measurement of different terrains, and the application range is widened; the display supporting frame connected through the rotating seat and the rotating shaft is arranged in the groove in the measuring instrument main body, and the display direction of the display screen is adjusted, so that an operator can conveniently display data under the backlight condition of the display screen, the operator can conveniently check and record the data displayed on the display screen, and the use convenience of the operator is improved.