92results about How to "High simulation fidelity" patented technology

The invention is a soil frost-heaving and thawing-settlement tester based on thermoelectric refrigeration control, which comprises a tester main body, a acquisition control device, a water supplement device, a loading device, wherein the water supplement device is connected with a bottom water supplement groove body of the tester main body; the acquisition control device is connected correspondingly with a A temperature sensor which is responsible for the monitoring of sample temperature gradient change in the tester main body, a displacement sensor, and a hydrostatic sensor; the acquisition control device is connected with a B temperature sensor in a semiconductor refrigerating body; the loading device is disposed in a pressure chamber in the tester main body. The advantages are that: according to the test water content, the test is supplemented with water and drained automatically from the lower part, the water supplement amount is calculated accurately; the hole pressure in the draining process is monitored. Continuous stepless loading is realized; the frost heaving force testing is realized after stepless continuous automatic loading and locking volume, and the simulation truth degree for natural conditions in laboratory frost-heaving and thawing-settlement test is improved, and the test efficiency is improved and the test labor intensity is reduced.

The invention provides a simulation system for low-gravity ramble, comprising a cross beam, a guide rail, a slide block, a fixed pulley, a first rope, a force test device, a control device, a second rope and a support band, wherein the guide rail is fixed on the cross beam, the slide block is installed on the guide rail, the fixed pulley is fixed on the slide block, and the first rope passes through the fixed pulley; the first rope is fixed by a rope fixer and is connected with one end of a loading device; the force test device is connected with the other end of the loading device; the control device is respectively connected with the loading device and the force test device; the second rope is connected with the force test device; and the support band is connected with the other end of the second rope. By automatically measuring the mass of an experimenter and equipment thereof, the simulation system for low-gravity ramble can automatically adapt to the height and the weight of the experimenter and can provide precise gravity compensation in real time in the process of simulating ground ramble, thereby greatly improving simulation trueness.

The invention discloses a full-object verification platform and a working method of a satellite magnetic detection and control system. The platform comprises a mono-axial air floated platform, a platform computer system, an angle measuring system, a communication computer, a mini-type magnetic simulator, a satellite magnetometer, a satellite computer and an environment simulation computer. In the method, the mono-axial air floated platform is used for simulating a small satellite in space; the environment simulation computer and the mini-type magnetic simulator are used for generating an on-track magnetic field; the real satellite magnetometer and the real satellite computer sense the on-track magnetic field and complete attitude measurement and the generation of a control instruction; the platform computer computes a magnetic moment required to be output according to an control moment instruction forwarded by the communication computer and the local geomagnetic numerical value output by the magnetometer on the platform and then sends the control instruction to a magnetic moment machine; and the magnetic moment machine and the local geomagnetism act to form an actual control moment so as to control the air floated platform be stabled at a certain angle or to move at a large angle. The full-object verification platform and the working method are low in cost, high in the fidelity of emulation verification and precise in control.

The invention discloses a large-size roadway support laboratory simulation system which comprises a large-size roadway support simulation system, a pressurizing transmission system and a support data acquisition system. The large-size roadway support simulation system consists of a large-size roadway appearance simulation mechanism and a support simulation mechanism. The pressurizing transmission system comprises a base, a lateral pressurizing transmission mechanism, an axial pressurizing transmission mechanism, a side pressure power system and an axial pressure power system. The support data acquisition system comprises an axial extensometer, a radial extensometer, a computer, an EDC digital controller and a pressurization controller. The end, exposed to the inside of a rubber ring, of each anchor rod is provided with a sound emission sensor. The invention further discloses a large-size roadway support laboratory simulation method. The system and the method can simulate underground roadway support effect, roadway side deformation and floor heave which are caused under pressure really according tot geological conditions of different mines and can also simulate state of creep instability of the roadway under disturbance.

The invention provides an ultrasonic training system based on CT (Computed Tomography) image simulation and positioning. Ultrasound image simulation and CT volumetric data rendering are accelerated to be achieved through a GPU (Graphics Processing Unit) and the real-time performance of the system is improved. A curved surface matching module is used for performing surface matching on read human body CT volumetric data and physical model data with a physical model as the standard and achieving elastic transformation of a curved surface based on an interpolation method of thin plate splines; an ultrasonic simulation probe position tracking module is used for performing real-time calculation on ultrasonic simulation probe positions relative to the physical model by a marking point tracking method and obtaining arbitrary angle CT slice images according to a position matrix; an image enhancement and ultrasonic image simulation generation module is used for improving the vessel contrast ratio in CT images by a multi-scale enhancement method and achieving the ultrasound image simulation based on the CT volumetric data; and an integration display module is used for accelerating to achieve rendering display of the CT volumetric data based on CUDA (Compute Unified Device Architecture) and integrating and displaying ultrasound simulation images and three-dimensional CT images according to the obtained position matrix.

The invention discloses a driving simulation system and method. The driving simulation system and method effectively simulate accidents and are high in simulation reality so that driving experience users can simulate driving conditions and traffic accidents scenes in various real car driving scenes and under different weather conditions, wherein the traffic accidents are not limited to rainy and snowy weather, car faults, car collisions, car tire burst and the like. Therefore, the users can become familiar with car driving at low cost and can practice in scenes which cannot be simulated easilyduring real car driving, the safety driving awareness and habits of the users are enhanced, and the correct operation experience under dangerous conditions is obtained.

The invention discloses a rock drilling simulation test device and a method for determining pressure and torque of a test pole, and belongs to the technical field of rock drilling research tests. The device mainly comprises a test piece cabin, the test pole, an emission rod, an emission sleeve, an air compression system and a test system, wherein a rock test piece is arranged in the test piece cabin. The method for determining the pressure and the torque of the test pole comprises the steps of enabling gas tank pressure to drive the emission rod to realize emission to collide the test pole, enabling the sharp end of a drill head of the test pole to collide the circular plane of the rotating rock test piece, collecting secondary impact loading waves Epsilon<i2>, compression waves Epsilon<r2> and torsion waves gamma of the test pole, analyzing and calculating acquired data to obtain the pressure and the torque of the test pole. The simulation test device has the characteristics of simple structure, high simulation authenticity and high test process repetitiveness, and has a test reference value and instruction significance for rock drilling engineering and scientific research.

The invention relates to a driving simulation system. The driving simulation system comprises a driving simulation device and a control device, wherein the control device is arranged in the driving simulation device, and the driving simulation device comprises a mechanical arm, head-mounted display equipment, a flight rocker and a cabin. The driving simulation system is simple to operate, high in simulation trueness, strong in experience sense and capable of realizing passive flight joy experience and active flight driving simulation.

The embodiment of the invention discloses a method and a device for obtaining the elastic-plastic elephant foot buckling critical load of a storage tank. The method comprises the following steps of: obtaining structural parameters of a storage tank, a storage tank accessory and a foundation; according to the geometrical structure and the stress-strain relationship of the material, establishing thefinite element model; setting a load and a maximum circumferential stress of the tank wall for the finite element full model, and setting a preset boundary condition for the finite element full model; taking the axial compression load data as the input variable of the finite element model, analyzing the elastic-plastic elephant buckling process of the tank, and obtaining the corresponding changedata between the axial compression stress and the deformation of the tank wall; obtaining the elastic-plastic elephant buckling critical load of the storage tank according to the corresponding changerelationship. The embodiment of the invention establishes a full finite element model, sets attribute data and other restrictive conditions of the storage tank, and takes axial pressure load data as input of the model to simulate and analyze the critical load that causes the tank wall of the storage tank to enter the elastic-plastic elephant foot buckling, which has the advantages of high simulation truthfulness and accurate calculation result.

The invention discloses a real-time interaction mesh-free soft tissue deformation simulation method, which comprises the following steps that: (1) transforming the CT (Computed Tomography) image of asoft tissue into an OBJ file to conveniently obtain vertex information; (2) using MLS (Moving Least Squares) to construct a mesh-free function; (3) bringing Kelvin viscoelasticity into a tissue model;(4) according to the displacement of all nodes corresponding to given stress calculated in S(3), using a Marquardt algorithm to pre-fit a mathematical relationship between force on the soft tissue and the displacement of each node; and (5) importing an enrichment function to simulate tissue surface discontinuity cracks caused by operations including segmentation. By use of the method, the Kelvinviscoelasticity model is brought into the human body tissue model, the viscoelasticity of the soft tissue can be more favorably presented, simulation validity is improved, the Marquardt algorithm is used for pre-fitting the mathematical relationship between force on the soft tissue and the displacement of each node, simulation instantaneity is improved, and meanwhile, weight function enrichment isimported to realize the interactive simulation of soft tissues.

An embodiment of the invention relates to the technical field of augmented reality, in particular to a strong light simulation system and method. The strong light simulation system comprises control center equipment, a simulation chamber, a sand table field and a sand table vehicle, wherein the control center equipment is in communication connection with the simulation chamber, the sand table field and a light emitting element arranged in the sand table field. On the basis, an embodiment of the invention also provides the strong light simulation method applied to the control center equipment.The method comprises steps as follows: strong light simulation display information is acquired, the position and the angle of the light emitting element are adjusted according to the strong light simulation display information, the light emitting element is controlled to radiate a camera arranged on the sand table vehicle, images acquired by the camera in real time are acquired, and the images aretransmitted to the simulation chamber in real time for display, so that a user in the simulation chamber can check. By means of the strong light simulation system and method, the simulation degree ofstrong light simulation can be improved.

A ultralow temperature environment composite sealing member seal reliability verifying method can carry out a reliability verifying test that includes a moment variable test and a flange butt joint surface gap simulation test; before the moment variable test and the flange butt joint surface gap simulation test, a test tool must be trench defect-free, and the trench dimensions must satisfy designrequirements; the sealing member reliability grade can be determined according to an applied moment that satisfies with moment variable test leak rate index requirements and a flange butt joint surface gap that satisfies with a leak rate index of the flange butt joint surface gap simulation test; the test is strong in representativeness, simple and feasible, and strong in versatility.

The invention discloses a complex electromagnetic environment construction method. The method comprises the following steps of: 1, carrying out vector decomposition on a space complex electromagneticenvironment to obtain a vector decomposition signal waveform set; step 2, carrying out vector signal waveform clipping on the vector decomposition signal waveform set; 3, normalizing the clipped vector decomposition signal waveform set to obtain a vector construction signal waveform set, converting the vector construction signal waveform set into an actual electromagnetic signal, and amplifying the actual electromagnetic signal; and step 4, constructing a signal waveform set by using the amplified vector to carry out space complex electromagnetic environment vector synthesis reconstruction. According to the complex electromagnetic environment construction method, a complex motion simulation mechanism is not needed, complex electromagnetic environment simulation encountered in the motion process of an effector can be completed in the static state of the effector, the construction difficulty of the complex electromagnetic environment is greatly simplified, and the construction fidelity is improved.

The invention discloses an information processing method, electronic equipment and an electronic device. According to the method information processing method, the electronic equipment and the electronic device disclosed by the invention, different virtual objects in the same virtual scene can possess gravity attribute values corresponding therewith by acquiring various related parameters of the virtual objects in the virtual scene. Each virtual object also has a corresponding display state, such as a display state under an action of a downward gravity perpendicular to the floor of the virtual scene, a display state under an action of an upward buoyancy perpendicular to the floor of the virtual scene, and a display state in which the suffered gravity and buoyancy are balanced, on the basis of different gravity attribute values. Therefore, by means of the technical solution in the embodiment of the invention, each virtual object in the virtual scene can have the corresponding gravity attribute value, such that the virtual scene is closer to a reality scene, and therefore the virtual scene is more vivid and natural and has a technical effect of promoting the use feeling of a user.

The invention relates to a spacecraft propellant replenishing simulation test system which comprises a replenishing simulation device and a replenished simulation device. The replenishing simulation device is composed of a replenishing simulation main controller, a replenishing simulation data controller, a replenishing simulation measure and control instrument and a replenishing simulation starter. The replenished simulation device is composed of a replenished simulation main controller, a replenished simulation data controller, a replenished simulation measure and control instrument and a replenished simulation starter. The replenishing simulation device and the replenished simulation device are connected in an information interactive mode through a network and conduct simulation fault information interaction in the propellant replenishing simulation test process. According to the spacecraft propellant replenishing simulation test system, correctness of the replenishing flight procedure and the replenishing information protocol can be tested for verifying at the spacecraft ground testing stage, the manpower and time cost is greatly reduced, and the development cost of a spacecraft is reduced.

The invention provides a data packing and unpacking method applied to a nuclear power station full range analog machine. A data packing and unpacking device which is applied to the nuclear power station full range analog machine is built through the data packing and unpacking method applied to the nuclear power station full range analog machine. The data packing and unpacking method applied to the nuclear power station full range analog machine includes the steps: sending cache and distributing one or a plurality of memory blocks with continuous addresses to data which are stored in a discrete structure in a bottom physical memorizer, producing radio documents by aiming at each memory block, and sending the radio documents to a data receiver to be used for unpacking; operating one or a plurality of synchronous threads and updating and storing the data which are stored in the discrete structure in the bottom physical memorizer to corresponding memory blocks according to the radio documents; operating the data updating procedure and synchronously packing and sending the data in the memory blocks. Due to the utilization of multiple threads and discrete data updating, synchronization and packing process, the data packing and unpacking method applied to the nuclear power station full range analog machine can effectively improve time of data packing and receiving unpacking and rapidly pack and send a plurality of data which are stored in the discrete structure to other sub systems.

The invention provides a random element generation method. The method comprises steps of acquiring a random element generation region, and using a set rectangular frame to carry out segmentation operation on the random element generation region so as to acquire multiple random element segmentation regions; according to a set density degree, generating random element positions in each random element generation region; and based on the random element positions in each random element generation region and avoidance regions in the random element generation region, generating random elements in each random element generation region. The invention also provides a random element generation device. According to the invention, by setting the random elements based on the random element generation regions, based on the positions of the random elements and the avoidance regions in the random element generation regions, the random elements are screened, so drawing efficiency of the random elementsis improved and simulation authenticity of the random elements is quite high.

The invention discloses a movable vibration exciter for simulating a train load and a loading method thereof. The movable vibration exciter comprises a rail mechanism, a traction device and a vibration device, the traction device and the vibration device are both movably arranged on the rail mechanism, the rear end of the traction device is hinged to the front end of the vibration device, the traction device is used for driving the vibration device to move on the rail mechanism, and the vibration device is used for generating variable-frequency excitation force to the rail mechanism. The traction device and the vibration device are arranged on the rail mechanism, the vibration device is driven by the traction device to move on the rail mechanism, variable-frequency excitation force is generated on the rail mechanism in the moving process of the vibration device, the loading process of the vibration device can effectively simulate the real train load, and the influence of the train loadon a roadbed is analyzed; guidance can be provided for engineering construction according to dynamic response result feedback of the roadbed, the train load can be well simulated, the difficulty is low, the simulation trueness is high, and the simulation is closer to the actual situation.

The invention provides a system and a method for realizing realness of a forklift simulation driving. The system comprises a hardware platform and a software module. The method comprises the followingsteps that firstly, through forklift kinematics analysis on a forklift under the typical driving condition, creating a motion equation at the actual forklift mass center to acquire main motion parameters; secondly, converting motion parameters at the mass center of the fork vehicle to a driver seat through coordinate conversion; converting the motion parameters into motion parameters sensed by ahuman body through a human body sensing model; then, converting the three-dimensional posture signal into a space posture signal of a simulated driving movable platform through a somatosensory simulation algorithm; then, according to the three-dimensional structure and the motion relation model of the platform, acquiring the elongation and the change equation of each linear driving rod; and finally, performing joint coupling control on the motions of the three linear driving rods to realize simulation motion of the platform. According to the invention, the motion feel of the forklift in the driving operation can be simulated in the limited stroke of the movable platform, and a vivid driving environment is created for a driver.

The invention discloses a train traction motor bearing life testing machine. On the basis of conventionally using a temperature sensor to obtain real-time temperature data corresponding to a test bearing in use, a vibration sensor capable of acquiring real-time vibration data of the test bearing is added, so two different types of real-time data can be used to jointly characterize the fault characteristic data corresponding to the test bearing under different faults, and at the same time, the trend of fault characteristic data changes under different fault degrees in a whole fault period can be detected, more accurate fault characteristic data with higher discrimination can be obtained to be subsequent fault criterion of the existence of a same fault. At the same time, in order to simulatean actual use scenario more real, two ends of a transmission shaft are arranged with two tested bearings, and the testing efficiency and simulation truth under a special use scenario can be significantly improved.

The invention provides a testing apparatus and an experimental method for simulating steam-water two-phase corrosion in internal parts of air-cooled condenser metal pipelines. The testing apparatus comprises a deoxygenation system, a circulating water tank, a simulated etch tank, a circulating water treating and monitoring system. The circulating water tank is placed in a water bath for keeping constant temperature, and the upper end of the water bath uses a foam board. A fine air tube which connects a nitrogen cylinder is inserted into the bottom part of a water tank, and the upper part of the water tank is led out with the fine tube and is connected to a vacuum pump. An electrode, a test piece and a thermometer are inserted into the simulated etch tank, and the simulated etch tank and a water tank pipeline are connected. The water tank is connected to the water treating and monitoring apparatus, the whole system employs a glass and silica gel tube, the system is a nonferrous system, the whole structure is simple, the operation is simple, and on-site environment can be really simulated.

The invention discloses a flat plate flow cavity capable of simultaneously applying static pulling force and flow shearing force. The flow cavity comprises a base (1) and a cover plate (2) which are mutually connected, wherein a flow cavity groove (3) is arranged in the base (1); a placing groove (4) is arranged at the bottom of the flow cavity groove (3); two ends of the placing groove (4) are respectively provided with a fixing groove (401) and a sliding groove (402); a flexible film (5) is arranged in the placing groove (4); one end of the flexible film (5) is provided with a first clampingpin (501) buckled into the fixing groove (401); the other end of the flexible film (5) is provided with a second clamping pin (502) buckled into the sliding groove (402); and a plurality of the sliding blocks (6) are arranged in the sliding groove (402) at the outer side of the second clamping pin (502). The flow cavity can simultaneously load static traction force and flow shearing force on cells and adjust the loaded stress.

The invention provides a simulation mount, as well as a control method, a scene terminal and a system of the simulation mount. The control method comprises the steps that the scene terminal receives a scene mode selected by a user, and shows a scene corresponding to the scene mode to the user, wherein the scene internally comprises a virtual mount; the scene terminal receives kinematic parameters reported by the simulation mount of the user, wherein the simulation mount collects the kinematic parameters of the user through a sensor mounted on a set part; and the scene terminal controls the virtual mount and the simulation mount to move synchronously according to the kinematic parameters, and therefore, the simulation verisimilitude of the simulation mount for the virtual mount of the scene terminal and the user experience are promoted.

The invention discloses a steady-state flow test device and method for a low-speed two-stroke marine diesel engine cylinder. The composition of the test device portion lies in that a fan is connectedto a surge tank, a flow meter, a mixing tank and a pressure regulator cylinder in sequence, and the air flow can enter a scavenging box along three passages of the pressure regulator cylinder; a scavenging port is connected to an extended cylinder sleeve, a linear motor is in shaft connection to a piston, the piston is located in the extended cylinder sleeve, an exhaust pipe is sealedly connectedto the extended cylinder sleeve, and exhaust valves are located in the extended cylinder sleeve; a support stand is provided with gears and racks that constitute a transmission pair, and the gears andracks move so that the exhaust valves are located at different positions in the extended cylinder sleeve. The test method thereof comprises the steps that the laser light source is incident on the cross section of the extended cylinder sleeve, and the two cameras are placed on both sides. The speed test is divided into three steps of obtaining camera measuring parameters; eliminating image distortion; and performing three-dimensional reconstruction on the CCD camera field of view. The device can obtain the flow fields at each section by using the PIV instrument system to test, and can measurethe global velocity and eddy current intensity.

The invention relates to an air leap simulation system for entertainment. The air leap simulation system for entertainment comprises a suspension lifting device and a wind direction simulation device. The wind direction simulation device comprises a main conveying channel, wherein a first front air supply channel is connected to the lower portion of the left end of the main conveying channel, an upper air supply channel is connected to the upper portion of the left end of the main conveying channel, and an exhaust fan is connected to the upper portion of the right end of the main conveying channel; a first front air feeder is connected to the lower end of the first front air supply channel, and a projector is connected to the upper end of the first front air supply channel; a second front air supply channel is connected to the upper end of the projector; an upper air feeder is connected to the upper end of the upper air supply channel; a second front air feeder is connected to the upper end of the second front air supply channel. The suspension lifting device is fixedly mounted inside the main conveying channel. The air leap simulation system for entertainment has the advantages of being high in automation degree, convenient to control, high in safety performance and the like, can be used indoor simulation of leaps in the air, is high in simulation trueness, and guarantees life safety of tourists while making the tourists feel thrilled and excited.

The invention discloses a rail transit traction system test method and system. The method comprises the following steps of: S1. initializing a test system and determining a test line; S2. simulating and determining a first relation curve and a second relation curve when a train runs on the test line, wherein the first relation curve is a relation curve of the rotating speed and the time of a traction motor, and the second relation curve is a relation curve of the torque and the time of the traction motor; S3. operating an accompanying system according to the first relation curve, operating a tested system according to the second relation curve, and detecting and obtaining detection data of each detection sensor of the tested system; and S4. generating a detection report according to the detection data. The rail transit traction system test method and system have the advantages that the test requirements of the traction system in actual line operation can be simulated, various working conditions such as acceleration, the uniform speed, coasting and braking in actual operation are simulated, the test of the traction system on various indexes such as the temperature and the energy consumption is met, the test process and the test device are simple, and the like.

The invention relates to the technical field of system simulation, and discloses a complex system radar full-pulse digital generation method based on the headmost pulse. The complex system radar fullpulse digital generation method comprises the following process that the first arrival pulse in a radar signal pulse sequence is defined as the radar signal headmost pulse, and the first arrival radarsignal headmost pulse in a simulation scene is found; description word parameters of the first arrival radar signal headmost pulse are preserved into a to-be-output staggered pulse list, and the staggered pulse is calculated and generated; the leading-edge arrival time of the radar signal headmost pulse is updated; the leading-edge arrival time of the radar signal headmost pulse is corrected aiming at the radar signal transmission delay time; PDW parameters of the radar signal headmost pulse are updated; and dynamic calculating is conducted to complete full-pulse digital generation. The influences of radar antenna scanning on whether the pulse is generated or not and the pulse amplitude, and the influences of electromagnetic wave space transmission delay on the pulse arrival time are comprehensively balanced, and the characteristics of high extendibility, high simulation fidelity, high operation speed and the like are achieved.

The invention relates to a handheld spacecraft debris crash simulation launching device. The handheld spacecraft debris crash simulation launching device is characterized in that a clamp is mounted atthe front end of a projectile tube in a clamping mode and constituted by two vertical clamping plates, and a handle is fixedly mounted between the two vertical clamping plates through fastening bolts; and an elastic belt mounting passage is formed in the rear end of the projectile tube, an elastic belt is arranged in the elastic belt mounting passage, fastening blocks are arranged between the vertical clamping plates of the clamp and the handle, and the front end of the elastic belt is fixedly arranged between the fastening blocks and the handle. The invention further relates to a handheld spacecraft debris crash simulation launching method. The handheld spacecraft debris crash simulation launching method is characterized by comprising the steps: (1) device assembly; (2) projectile mounting; (3) projectile launching; and (4) repeated test. Arrangement is scientific and reasonable, operation is safe, convenient and rapid, signals generated in the crash process can be simulated truly, and authenticity is achieved; and the crash phenomena of different speeds and different textures are simulated by changing the stretching length of the elastic belt and the textures of projectiles, andexperimental repeatability is good.

The present invention provides a rubber bush model. The rubber bush model is formed by connecting the following four units in parallel: a nonlinear spring, a pure damper, a Maxwell model and an ASCL friction model, wherein the Maxwell model is formed by connecting another nonlinear spring and another pure damper in series; the ASCL friction model is formed by connecting a Kelvin-voigt model, which is formed by connecting another nonlinear spring and another pure damper in parallel, and a friction element in series; and finally, a function relationship between a carrying capacity of a bush and a deformation amount is established according to the model structure. The rubber bush model provided by the present invention is capable of expressing a nonlinear characteristic and a hysteresis characteristic of the rubber bush, so that dynamics modeling accuracy and emulation fidelity of a whole vehicle are improved, amplitude dependence and frequency dependence of the rubber bush can be relatively well emulated, a nonlinear transient characteristic of the rubber bush can be relatively well emulated, and switching between static friction and dynamic friction can be relatively well reflected.

The invention aims to provide a contour detection method based on a classic receptive field fixation micro-motion mechanism, and the method comprises the following steps: A, inputting a to-be-detectedimage obtained through gray processing, presetting a Gaussian function of a plurality of scale parameters, and obtaining the Gaussian filtering response of each scale parameter of each pixel point through calculation; b, calculating and obtaining a plurality of annular Gaussian first-order derivative functions in one-to-one correspondence with the plurality of scale parameters; c, for each pixelpoint, calculating and obtaining a micro-motion fusion response of each direction parameter of the pixel point; d, for each pixel point, taking the maximum value from the micro-motion fusion responseof each direction parameter of the pixel point as the classic receptive field response of the pixel point; e, presetting a distance weight function and an inhibition coefficient, and calculating inhibition response of each pixel point; and F, subtracting the suppression response of the pixel point from the classical receptive field response of each pixel point to obtain a final contour map. The contour detection method overcomes the defects in the prior art, and has the characteristics of strong simulation and high detection accuracy.