184 results about "Angular resolution" patented technology

The invention discloses a three-dimensional laser radar point cloud acquisition control method and system, and belongs to the technical field of laser radar measurement and control. An existing low-cost laser radar point cloud acquisition method is large in angle accumulative error and cannot meet the real-time angle tracking requirement under the high-rotating-speed working condition. According to the three-dimensional laser radar point cloud acquisition control method, the coded disc design optimization model and the abrupt change signal capture model are established, the notch is designed in the coded disc of the three-dimensional laser radar, and the width of the notch of the coded disc is optimized, so that pulse signal period abrupt change can be accurately captured, angle accumulation errors can be effectively reduced, and the accuracy of the point cloud acquisition control is improved. And the angle synchronization precision is improved, and the method is especially suitable for real-time angle tracking requirements in a high-rotating-speed scene. Meanwhile, jitter interference of the laser radar can be eliminated, and spatio-temporal interpolation fusion can be performed on multi-circle acquired data, so that high-density point cloud data can be generated, and the angular resolution and the point cloud density can be effectively improved.

The invention discloses a point cloud scanning method of a laser radar and the laser radar. The point cloud scanning method of the laser radar comprises the steps that light deflection angles corresponding to position areas with different point cloud angular resolutions in a view field area of the laser radar are acquired, and different light deflection angles correspond to different driving voltages; and applying the driving voltage corresponding to each light deflection angle to the liquid crystal phased array for point cloud scanning. According to the invention, different position areas in the field of view of the laser radar correspond to different point cloud angular resolutions based on the liquid crystal phased array light, the time for scanning the whole frame of image in the field of view is saved, and the image frame rate of the laser point cloud is improved. Moreover, as the liquid crystal phased array can freely control the deflection angle of the light, the point cloud angular resolution in the view field area is adjusted through the liquid crystal phased array, and the point cloud performance of the laser point cloud cannot be affected.

The invention relates to the technical field of laser radars, and provides a laser radar angular resolution enhancement method, which comprises the following steps of: obtaining a spatial direction priority according to a vehicle course, road information and target information obtained by a vehicle external sensor so as to dynamically adjust laser pulse density and energy level; scanning data generated after N circles of continuous scanning serve as a composite frame, the starting angle of each circle is shifted, multiphase filtering and coherent superposition are conducted in a digital domain, and the effective angular resolution is obtained. The invention further discloses a laser radar device, the method and the device can adjust the pulse density and energy distribution in the ROI direction in real time according to the dynamic scene of the vehicle, the total pulse number is kept unchanged, and the total power consumption is not increased. The effective horizontal angle resolution is improved through inter-frame phase offset and multi-phase synthesis. A corner reflector and an IMU (Inertial Measurement Unit) are integrated in the laser radar, and phase and ranging errors are corrected in real time through periodic loopback calibration, so that the angle stability is kept.

The invention belongs to the field of optics, and particularly discloses a light spot shrinking device for an angle resolution scatterometer. Through the first lens, the beam shaping element and the second lens which are sequentially arranged along the light path, beam focusing, beam shaping and collimation are carried out in sequence, the collimated beam with the diameter smaller than that of the beam of the light source is formed, the collimated beam is combined with the subsequent light path, and the light spot shrinking function can be achieved at the detection end of the objective lens.

The invention discloses a laser radar echo signal simulator performance parameter testing method and device, and belongs to the field of photoelectric information. The system comprises a simulation distance related parameter measuring device, a working wavelength measuring device, a view field and distortion measuring device, an output power related parameter measuring device, a scanning speed and frame frequency and waveform similarity measuring device, an angular resolution measuring device and a simulator position adjusting device. The view field and distortion testing device is composed of a camera, an adjusting frame and a hemispherical guide rail. The scanning speed and frame frequency measuring device is composed of a focusing lens, two photoelectric detectors and an oscilloscope. The output power related parameter measuring device is composed of a focusing lens and a power meter. The working wavelength measuring device is composed of a focusing lens, an optical attenuator and a wavemeter. The placing position of the simulator on the platform is preset in advance through the simulator position adjusting device, and the simulator is sent to a specified testing position by driving the adjusting frame and the simulator to slide on the guide rail.

The invention relates to a high-angular-resolution atmospheric detection laser radar acquisition and control system, and belongs to the technical field of atmospheric detection laser radar data acquisition. The system comprises an ARM main control module, an acquisition card and a scanning module, wherein the ARM main control module is internally provided with a multi-core CPU (Central Processing Unit), and when the system runs, a data reading process, a data processing process and a data storage process are respectively distributed to different cores of the multi-core CPU for parallel execution; the ARM main control module is used for issuing an instruction to the acquisition card and reading a hardware accumulation result of the acquisition card for processing and storing; the scanning module is controlled by the ARM main control module to perform continuous scanning; and the acquisition card is used for performing high-angle-resolution acquisition on aerosol observation data obtained in the continuous and rapid scanning process of the scanning module according to an instruction of the ARM main control module. According to the invention, the real-time monitoring capability of aerosol space-time distribution in a complex atmospheric environment is improved.

The invention belongs to the technical field of radar signal processing and imaging, and particularly relates to a distributed MIMO radar imaging method based on multi-technology fusion, which comprises the following steps: S1, constructing a distributed MIMO radar array: constructing a distributed array consisting of L identical MIMO radar units, each unit comprising M transmitting antennas and N receiving antennas; the multi-radar synchronous imaging method is characterized in that each radar unit adopts an offset frequency orthogonalization design, signals of each radar unit and different transmitting antennas in the same unit are mutually orthogonal in a time domain and a frequency domain by elaborately setting the offset frequency of each transmitting antenna, a virtual array is equivalent to a uniform linear array, and multi-radar synchronous imaging is realized by utilizing a high-precision synchronous control mechanism. According to the method, the equivalent aperture is greatly expanded through cooperative work of the distributed MIMO radar arrays, so that the angular resolution is remarkably improved, the accuracy and reliability of echo signals are guaranteed by adopting a unique orthogonal signal design, and the imaging stability is improved.

The invention discloses a shielded environment muon navigation method. The method comprises the following steps: deploying a reference detector array and a receiving detector; collecting a plurality of pieces of muon track information by using an accidental coincidence event detected by the reference detector array and the receiving detector; performing non-repeated pairwise combination on all the collected muon track information to form a plurality of combination pairs, establishing equation sets about muon track distances, then integrating all the equation sets, and establishing overdetermined equation sets about all the muon track distances; distributing weights of overdetermined equations according to the position resolution and the angle resolution of the reference detector corresponding to the collected muon trajectory information, and establishing weighted overdetermined equations about all muon trajectory distances; and based on the solution of the weighted overdetermined equation set, obtaining the final position coordinates of the receiving detector, thereby carrying out the positioning and navigation of the navigation terminal. According to the invention, the positioning precision of the vector muon navigation system can be effectively improved.

The invention relates to the field of edge calculation, and discloses a micro-nano unmanned aerial vehicle edge end data preprocessing system, which comprises a state space discretization mapping module used for collecting three-axis attitude data output by an inertial measurement unit, and quantitatively mapping the three-axis attitude data to a three-dimensional discrete coordinate system according to a preset angular resolution step length to generate an attitude grid index; the visual fingerprint extraction module is used for acquiring original image data and calculating a current global feature hash value; and the index arbitration logic control module is used for querying a preset background feature lookup table based on the attitude grid index, and generating a wake-up instruction to activate a rear-end depth reasoning unit when the Hamming distance between the current global feature hash value and the reference value is greater than a sudden change judgment threshold value. The coupling relation between the fuselage movement and the environment change is stripped, and low-power-consumption accurate awakening of the edge end under the dynamic non-stable working condition is achieved.

The invention discloses a rapid forward modeling method for a gravity field of a rectangular coordinate system based on an isoparametric transformation global discrete grid, and belongs to the technical field of geophysical exploration. According to the method, a measuring network composed of dggrid grids is manufactured to cover the whole measuring area range by selecting the measuring network forming form and the side length, the exploration depth is selected as D, the dggrid grids extend to the ground by an n < z + 1 > layer to form dggrid units of an n < z > layer, and the corresponding thickness of the dggrid units is D / n < z >. And calculating the abnormal response of all the dggrid units at each observation point by utilizing isoparametric transformation based on a dggrid unit interpolation type function, an integral point and an integral weight coefficient obtained by a hexagonal prism integral formula. Compared with a square grid, the dggrid grid has excellent angular resolution, the discrete distance measurement of the dggrid grid is better close to the Cartesian distance, and the dggrid grid also has the advantage of displaying uniform and clear adjacency. Compared with conventional direct calculation, the rectangular coordinate system gravitational field forward modeling based on the isoparametric transformation global discrete grid has extremely high acceleration potential.

The invention discloses a multi-mode adaptive weight SLAM method and system for a construction site. The method comprises the steps that a mapping model is established through sensor joint calibration, laser radar, camera and IMU data are synchronously collected through hardware, and dynamic filtering, distortion compensation and feature extraction are carried out on point clouds and images; the voxel entropy, the angular resolution and the feature density are calculated in real time to evaluate the degradation degree of each mode, and a visual residual error is dynamically adjusted by adopting an adaptive weight and frame skipping mechanism to ensure reasonable information injection in a degradation scene; iMU pre-integration, LiDAR point-surface residual errors and weighted visual reprojection residual errors are sequentially fused in an incremental Kalman sliding window frame, an automatic repositioning strategy is matched, and a high-precision pose and dense color point cloud map is output. According to the method, calibration, synchronization, degradation detection, sliding window optimization, map release and relocation are integrated, and the mapping precision and robustness can be remarkably improved under the complex working conditions of dust shielding, illumination variation, dynamic obstacles and the like.

The invention provides a control method and device of self-moving equipment, the self-moving equipment and a storage medium, and relates to the technical field of intelligent cleaning. The method comprises the following steps: determining a pre-rotation direction of the self-moving equipment according to a relative position of the self-moving equipment and an obstacle; and adjusting the rotation direction of the distance measuring sensor on the self-moving equipment, so that the adjusted rotation direction of the distance measuring sensor is consistent with the pre-rotation direction. According to the embodiment, the space angle resolution can be improved, detail features between objects can be distinguished more finely, the accuracy of obstacle avoidance and navigation is improved, and then the working efficiency, such as the cleaning efficiency, of the self-moving equipment is improved.

The present invention discloses a MIMO radar sparse array optimization method based on a sleep monitoring scenario. The sparsity of the array elements is determined in combination with the actual sleep scenario, and the two-dimensional beam angle is constrained. The full angle scan is achieved by changing the beam pointing within the constrained angle, and the highest sidelobe level value of the directional pattern under all angle pointing is obtained. The multi-objective particle swarm iterative model is used to solve the optimal array element spacing, and the excitation coefficient is solved in combination with the convex optimization algorithm, and finally the array element position and excitation coefficient matrix are obtained. Compared with the uniform array, this method reduces the number of array elements, reduces the hardware implementation cost, weight and pressure, and improves the angular resolution; compared with the traditional sparse array algorithm, this method can determine the sparsity of the array elements in combination with the actual sleep scenario, and solves the problem that when the beam pointing changes in the traditional sparse array, the directional pattern will have high sidelobes and large grating lobes, ensuring that the directional pattern under all angle pointing within the constraint range has a low sidelobe level.

The invention provides a method for determining the angular resolution of a laser radar, a detection system and a device, and the method is applied to the field of laser radars, and comprises the steps: controlling the laser radar to emit detection light to a light receiving element in a manner of sequentially emitting light at adjacent light emitting angles in a view field, executing a preset step in a light emitting period corresponding to each light emitting angle of the laser radar; the angular resolution of the laser radar is determined according to the angle rotated by the rotating mechanism in the light emitting period corresponding to the latter light emitting angle of the two adjacent light emitting angles of the laser radar; the preset step comprises: controlling the image acquisition device to obtain a first image; if the first distance is greater than a preset threshold value, controlling the rotating mechanism to rotate, and updating the first image; and if the first distance is smaller than the preset threshold value, the rotating mechanism is controlled to be maintained at the current position. According to the method, the angular resolution of the laser radar can be obtained in a point-by-point mode, the calculation error of the angular resolution is reduced, and the determination precision of the angular resolution is improved.

The invention relates to an optical fiber close-packed structure, a radar transmitting and receiving device and a laser radar system, which are applied to a laser radar, the optical fiber close-packed structure comprises two substrates which are stacked up and down, and the opposite surfaces of the two substrates form an accommodating space; a V-shaped groove is formed in at least one side wall surface of the accommodating space, the V-shaped groove is used for placing coupling optical fibers, the adjacent coupling optical fibers form an optical fiber group, and the transverse distance between the adjacent coupling optical fibers in the optical fiber group is smaller than or equal to the diameter of a fiber core; at least two optical fiber groups are arranged in the accommodating space, a distance exists between different optical fiber groups, and each optical fiber group forms a detection range. According to the invention, each optical fiber group has small vertical angle resolution, the light-emitting angle density of the laser radar is increased, the plurality of optical fiber groups respectively form a detection range, each detection range corresponds to a light-sensitive surface of one receiving detector, the number of the receiving detectors is reduced, and the design cost is reduced.

The invention discloses a resolution-oriented 4D millimeter wave radar antenna array and physical layout collaborative optimization method, a program, equipment and a storage medium, which are suitable for a radar system with a limited space and a multi-chip structure. The method comprises the steps of firstly collecting system input parameters; then, an antenna design constraint model is constructed, spatial discretization is carried out, and an optimizable matrix model is formed; transmitting and receiving array structures in the azimuth angle direction and the pitch angle direction are jointly designed through a virtual array mapping strategy, so that the requirements of MIMO mapping efficiency maximization and target angle resolution are met. After an antenna structure is determined, an optimization objective function is further constructed based on strong constraint and soft constraint, and an antenna layout scheme which meets the manufacturing requirements and has optimal performance is obtained through a traversal and search method. According to the method, the virtual aperture can be effectively improved, the antenna number redundancy is reduced, the wiring accessibility is optimized, and the resolution and engineering realizability of a 4D radar system are enhanced.

The invention relates to a sensor unit (20) for detecting forces and their directions in the XY plane, comprising at least two sensors distributed on a mechanical measuring body (10). According to the invention, the at least two sensors are surface acoustic wave (SAW) sensors (24), wherein one or more milled grooves (22) are formed in the surface of the measuring body (10) for controlling the propagation of surface acoustic waves, and wherein the SAW sensors (24) are arranged on the measuring body (10) such that a precise determination of the direction and magnitude of the acting forces in the XY plane is enabled.

The application discloses an optical lens, which comprises, along an optical axis from an object side to an imaging surface, a first lens with negative focal power, the image side of which is a concave surface; a second lens with negative focal power; a third lens with positive focal power, the object side of which is a convex surface, and the image side of which is a concave surface; a fourth lens with positive focal power; a fifth lens with positive focal power, the object side of which is a convex surface, and the image side of which is a convex surface; a sixth lens with positive focal power, the object side of which is a convex surface; and a seventh lens with negative focal power. The optical lens adopts seven lenses, and through specific surface shape setting and reasonable focal power distribution, especially the first and second lenses adopting negative focal power, the optical lens can collect a large range of light, improve the field angle of the optical lens, and effectively improve the edge field proportion and the angle resolution of the edge field through setting the optical lens with large positive distortion.

The present invention discloses a method for measuring the resolution of a medical endoscope based on the contrast sensitivity of the human eye. The method is based on a human eye contrast sensitivity function model, and weights the obtained spectrum to obtain the Michelson interference fringe spectrum actually perceived by the human eye retina, thereby realizing non-artificial intervention measurement and calculation of the endoscope angular resolution. At the same time, the method characterizes the endoscope's imaging capability for object edges and details, introduces a step function for boundary analysis, and obtains the slope of the brightness distribution curve of the black and white fringe boundaries collected by the endoscope by deriving the step function to calibrate the display capability of edges and details.

The application discloses a radar high-resolution imaging method based on a fast shrinkage iterative threshold network, which is applied to the field of radar detection and imaging. The low-pass characteristic of a radar antenna pattern makes the deconvolution problem a pathological problem, the frequency band width of which is limited, and direct inverse filtering can cause high-frequency noise amplification and cannot obtain stable inversion results. The application combines the interpretability of an iterative algorithm and the advantages of deep learning, expands a fast iterative shrinkage threshold algorithm into a deep network, and can be used to solve the problems of low azimuth resolution of an existing scanning radar and difficulty in manually selecting parameters, so as to realize super-resolution imaging of the scanning radar. The application has the characteristics that two-dimensional radar data is divided into one-dimensional azimuth vectors, one-dimensional convolution is used to fully learn the characteristics of the azimuth data, the optimal parameters in the fast shrinkage threshold algorithm are obtained, and the azimuth resolution of the radar image is effectively improved.

The utility model relates to an optical configuration capable of effectively reducing angular resolution, which comprises a first lens, a second lens, a third lens and a plane mirror which are coaxially arranged, and the lenses form a transmitting antenna of a laser range finder and are sequentially and coaxially arranged along the propagation direction of light beams output by a laser. The plane mirror is adjacent to the third lens, the two faces of the plane mirror are plated with thin films with the gradient transmittance of 1535 nm, edge stray light of laser can be eliminated, the diffraction effect is effectively reduced, the influence on the total length of an optical system is small, and the measurement precision is high. Compared with a conventional method for reducing the angular resolution by compressing the laser emission angle, the method is convenient to install and adjust, the tolerance of an optical system is large, and miniaturization and light weight of products can be achieved easily.

This invention relates to an ophthalmic lens and its manufacturing process. The ophthalmic lens includes a lens body, which comprises a central region and an auxiliary region surrounding the central region. The auxiliary region contains a plurality of scattering clusters formed by translational shifts according to a preset period. Each scattering cluster is composed of multiple microstructures arranged according to a spatial lattice configuration. This invention, by first combining multiple microstructures into scattering clusters and then using these clusters to fill the auxiliary region, can, on the one hand, enhance the scattering of incident light in other directions, reducing the angular resolution of the luminescent object; on the other hand, it can ensure the uniformity of the entire scattering cluster by utilizing multiple microstructures arranged according to a spatial lattice configuration, further providing a basis for the optimization of myopia glasses.

The application discloses an optical lens, which comprises, in sequence from an object side to an imaging surface along an optical axis, a first lens with negative optical power, the object side of which is a convex surface and the image side of which is a concave surface; a second lens with negative optical power, the object side of which is a concave surface and the image side of which is a convex surface; a third lens with positive optical power; a fourth lens with positive optical power; a fifth lens with positive optical power; a sixth lens with positive optical power; and a seventh lens with negative optical power. The optical lens adopts seven lenses, and through specific surface shape setting and reasonable optical power distribution, especially the first and second lenses adopting negative optical power, the optical lens can collect a wide range of light, improve the field of view angle of the optical lens, and effectively improve the edge field of view ratio and the angle resolution of the edge field of view through setting the optical lens with large positive distortion.

The present invention relates to a sparse array configuration and angular resolution optimization method for a 77GHz automotive radar. The sparse array is composed of multiple transmitting antennas and multiple receiving antennas; the sum of the spacings between the multiple transmitting antennas is twice the sum of the spacings between the multiple receiving antennas, and in a virtual array element formed by the multiple receiving antennas, the subarray spacing is equal to the sum of the spacings between the multiple receiving antennas; and the spacings between adjacent receiving antennas, when arranged from small to large, form a geometric progression. The present invention constructs a virtual array with equally spaced subarrays and low grating lobes by specifying the spacings between the transmitting and receiving antennas. By comparing the beamforming results of the windowed subarrays and the sparse array, the effects of sidelobes and grating lobes on the angular measurement of the 77GHz automotive radar are effectively reduced. The constructed sparse array improves the angular resolution performance of the 77GHz automotive radar, while also reducing interference from grating lobes and sidelobes, thereby improving the performance of the 77GHz automotive radar.

The application provides a laser radar calibration parameter determination method and device, a storage medium and an electronic device. The laser radar calibration parameter determination method comprises the following steps: controlling a polygonal mirror to rotate at a preset rotating speed; adjusting the light-emitting time of pulse light emitted by a laser to a reflecting surface of the polygonal mirror; acquiring an image of a light spot generated by the reflecting surface reflecting the pulse light to a target plate; determining the light-emitting time of the pulse light corresponding to the target position of the light spot in the image as a first time corresponding to a first reflecting surface; calculating the time corresponding to other reflecting surfaces; adjusting the frequency of the pulse light emitted by the laser to match the preset rotating speed; capturing images of light spots generated by the reflecting surfaces reflecting the pulse light to the target plate; calculating the included angle between the light spots corresponding to the reflecting surfaces according to the positions of the light spots corresponding to the reflecting surfaces and the angular resolution of an image acquisition device; and determining the angle calibration value of the reflecting surfaces relative to the first reflecting surface according to the included angle. The embodiment of the application can improve the pointing accuracy of the laser radar light beam.

The invention discloses a high-angular-resolution wavefront measurement method and system based on random structure diffraction, and relates to the technical field of optical information measurement. According to the wavefront measurement method, phase modulation of incident light is realized by using a disordered diffractive optical element (DOE) in random binary phase distribution, and complex incident wavefront coding is realized through a Fresnel diffraction effect. The mapping relation between the diffraction pattern and the incident angle is further pre-calibrated through an experiment, and the wavefront to be measured is reconstructed in combination with a wavefront reconstruction algorithm. According to the scheme provided by the invention, the mapping relation between the DOE diffraction pattern and the incident angle is pre-calibrated through an experiment, accurate decoding of a local incident angle can be realized, a regional wavefront reconstruction algorithm is further combined, wavefront measurement with a large dynamic range, high spatial resolution and high angular resolution is satisfied, and the measurement precision is improved. And the method has higher reconstruction precision and real-time performance and better anti-noise capability.

The invention relates to the technical field of screw head size measurement, in particular to a high-precision size measurement method and system for a screw head, and the method comprises the steps: obtaining a hardness factor of the screw head in each measurement process and a radial coordinate set at each rotation angle; obtaining the groove profile matching degree of each measurement process according to the difference between the fitting function of the radial coordinate set under each rotation angle in each measurement process and the ideal groove profile function of the screw head groove profile; according to the fusion result of the groove profile matching degree and the hardness factor of all the current measurement processes and the difference between the predicted value of the groove profile matching degree of the next measurement process and the average level of the groove profile matching degree of all the current measurement processes, the current groove profile risk coefficient of the measured screw is obtained, and whether a closed-loop control mechanism is triggered or not is judged; and the size of the screw head groove is obtained. According to the method, the assembly failure risk of the screw is analyzed, the angular resolution during laser scanning is adjusted, and the precision of screw head size measurement is improved.

A computer-generated holographic display system is described to have improved image quality when used with an illumination source other than a single-mode laser, such as a broadband light source including LEDs and multimode lasers. In one example, the computer-generated holographic display system has angular resolution and an angular field of view at a viewing position. The computer-generated holographic display system includes an illumination system comprising an LED or a multimode laser, a spatial light modulator (SLM) illuminated by the illumination system, and an optical system configured to re-image the SLM at a predetermined distance from the viewing position. The illumination system has an étendue at the SLM that is less than or equal to the value obtained by dividing the product of the angular resolution at the viewing position and the angular field of view at the viewing position by the maximum focusing power of the virtual image points with respect to the re-imaged SLM. The angular resolution is less than about 1 milliradian. In another example, the computer-generated holographic display system has an angular resolution and a restricted aperture width at the viewing position. The computer-generated holographic display system includes an illumination system comprising an LED or a multimode laser and having a spectral bandwidth and a nominal wavelength, a spatial light modulator (SLM) illuminated by the illumination system, and an optical system configured to re-image the SLM at a predetermined distance from the viewing position. The spectral bandwidth divided by the nominal wavelength is less than or equal to the value obtained by dividing the angular resolution by the product of the restricted aperture width and the maximum focusing power of the virtual image points with respect to the re-imaged SLM, and the angular resolution is less than about 1 milliradian.

The purpose of the present disclosure is to reduce erroneous detection of a false image caused by sidelobes and also minimize the deterioration of angular resolution by appropriately using a window function when detecting a target using a radar.　A target angle detection device 2 comprises: an angle spectrum calculation unit 21 that performs digital beamforming on the same reception signal of a radar array antenna by using first and second window functions having different sidelobe suppression levels, and calculates first and second angle spectra, respectively; a differential spectrum calculation unit 22 that calculates a differential-intensity spectrum on the basis of the first and second angle spectra; and a target angle detection unit 23 that detects a target at a spectral angle where the spectral intensity lies within a predetermined range on the basis of the differential-intensity spectrum, and determines that what is detected is a false image rather than the target at spectral angles where the spectral intensity lies outside the predetermined range.

A light-emitting assembly, an optical system, and a LiDAR (100). The light-emitting assembly comprises a plurality of regions. Within a light emission cycle of the light-emitting assembly, in a first direction, a certain region among the plurality of regions comprises light-emitting regions and non-light-emitting regions that are continuously arranged, wherein an emission angle of irradiation from the light-emitting regions to an object space is less than the minimum angular resolution of a corresponding receiving assembly. The present application can be applied to intelligent vehicles or electric vehicles, and helps to realize super-resolution that exceeds the minimum angular resolution of the receiving assembly.