64 results about "Transmit array" patented technology

The invention relates to an ultrasonic phased array full-focusing imaging method for acoustic wave multi-path propagation compensation of a layered composite material, which is characterized by comprising the following steps of: arranging an ultrasonic phased array probe with N array elements on a composite material piece to be detected, obtaining complete echo data by taking each array element as a transmitting array element and taking all array elements as receiving array elements in sequence in a full-matrix acquisition mode; a two-dimensional pixel grid is established in an imaging area, a Monte-Carlo perturbation mechanism used for representing the acoustic wave propagation uncertainty in the layered composite material is introduced into a propagation model for each emission array element-receiving array element-pixel point combination, and the acoustic beam emission direction, the propagation path and the equivalent acoustic velocity are subjected to random perturbation, so that the acoustic wave propagation uncertainty in the layered composite material can be represented. Generating a plurality of equivalent sound wave propagation paths, calculating two-way propagation time of each path, and performing weighted statistics on energy contributions of different paths according to array element sound beam directivity to obtain equivalent propagation time delays of pixel points; and performing delay correction on a full-matrix echo signal by using the equivalent propagation time delay, and performing coherent superposition on signals of all transmitting-receiving array element combinations to realize dynamic focusing of a full-pixel grid, and finally reconstructing an ultrasonic full-focusing imaging image with high resolution and high signal-to-noise ratio. The time delay error caused by propagation path deviation and sound velocity non-uniformity in the layered composite material can be effectively compensated, the focusing precision and spatial resolution of full-focusing imaging are improved, meanwhile, an existing TFM imaging frame does not need to be changed, and the method has good engineering implementability and popularization and application value.

The present disclosure relates to a machine learning (ML)-based receiver that is computationally efficient, irrespective of a number NR of receiver antennas used in a Multiple Input Multiple Output (MIMO) scenario. To achieve this, the ML-based receiver is configured to obtain a modified matrix and a modified array of symbols based on a channel state information (CSI) matrix and a received array of symbols. The modified matrix has a dimension NT×NT, where NT is a number of MIMO layers. The modified array of symbols has a dimension NT. After that the ML-based receiver is configured to restore a transmitted array of symbols from the received array of symbols by applying a pre-trained ML model that receives the modified matrix and the modified array of symbols as input data and outputs a set of bit log-likelihood ratio (LLR) estimates for the transmitted array of symbols.

The application discloses a STCA-MIMO radar anti-interference method based on nonlinear time delay, which comprises the following steps: calculating target echo signals based on nonlinear time delay of transmitting array elements; carrying out digital mixing and matching filtering on the target echo signals to obtain preprocessed signals; determining a first transmitting steering vector and a first receiving steering vector according to the preprocessed signals; calculating a covariance matrix of STCA-MIMO radar system receiving data; calculating an adaptive weight vector by using a robust direct data domain beam forming technology based on the covariance matrix and an actual receiving-transmitting joint steering vector of a target; calculating a first receiving-transmitting joint steering vector of the STCA-MIMO radar system; and carrying out beam forming by using the first receiving-transmitting joint steering vector and the adaptive weight vector. The application can effectively suppress interference signals in the main lobe of the STCA-MIMO radar, and solves the problem of the decline of interference suppression performance in the prior art when the interference is located near the distance grating lobe of the main lobe of the real target.

The application relates to the technical field of space optical communication, and discloses a MIMO optical transmission system for a cluster unmanned aerial vehicle and a method thereof, which comprises a flight control computer, a transmitting array, a receiving array and a baseband processing unit. The baseband processing unit acquires the three-dimensional position and attitude matrix of a transceiving node, carries out coordinate system transformation, screens out candidate transmitting arrays satisfying geometric alignment conditions, reconstructs an aerodynamic wake turbulence field in combination with a motor rotating speed parameter, carries out integral of refractive index disturbance along a path to eliminate arrays blocked by air flow, drives a flight control loop to perform attitude biasing when the effective array is limited, carries out channel optimization, then splits data into spatial mapping bits and light intensity modulation bits, selects a specific array to send optical pulses, and the receiving end uses a lens to carry out spatial isolation and focusing on incident light beams, and demodulates and restores data in reverse according to the photoelectric current characteristics. The application realizes feedforward avoidance of complex air flow interference and dynamic optimization of limited channels, reduces line transmission crosstalk, and guarantees communication quality.

The application discloses a kind of based on space modulation and reverse scattering's synchronous sensing and reverse scattering communication method and device, it is related to communication technical field, including: through transmitting array to tag pilot signal and modulate the load impedance of tag again backscatter to receiving array;Using the receiving voltage generated by receiving array and original channel matrix determines clutter tag reflectivity and tag antenna reflectivity;Based on clutter tag reflectivity positioning and identification label;From original channel matrix, according to tag antenna reflectivity, extract and construct the target channel matrix of label;Information bits are spatially modulated by transmitting array, constellation symbol is generated and active label is determined;Using transmitting array, constellation symbol is backscattered to receiving array by active label, and combined with target channel matrix, demodulation and decoding output information bits.In the disorderly environment, reverse scattering label is accurately positioned and identified, and space modulation is integrated into reverse scattering communication, and the reliability of reverse scattering communication is improved.

An antenna element for a transmitarray antenna, which includes a receiving antenna portion and a transmitting antenna portion which are spatially separated from each other. The transmitting antenna portion includes a first reconfigurable magneto-electrical (ME) dipole antenna adapted to provide a 0° or 180° phase shift, and the receiving antenna portion includes a second reconfigurable ME dipole antenna adapted to provide a 0° or a 90° phase shift, such that the antenna element is operable to provide a 90° transmission phase progression with 2-bit resolution. The proposed wideband 2-bit RTA element can achieve a reconfigurable 2-bit transmission phase with high transmission magnitude.

This application relates to the field of medical ultrasound measurement technology, specifically providing a method for in-situ measurement of skull thickness and sound velocity using ultrasound. The method includes: acquiring reflected echo data from N transmitting array elements, wherein the N transmitting array elements sequentially transmit ultrasound waves to the location to be measured on the skull, and array elements centrally symmetrical to the transmitting array elements receive the reflected echoes of the ultrasound waves; arranging the reflected echo data from the N transmitting array elements together to form a wave train diagram of the N transmitting array elements; extracting the sound pressure amplitude values ​​corresponding to the normal incident reflection time from the wave train diagram, and superimposing the extracted sound pressure amplitude values ​​to form a superimposed amplitude spectrum, with the maximum superimposed sound pressure amplitude value corresponding to the wave train diagram being the equivalent matching velocity; and calculating the sound velocity and thickness at the location to be measured on the skull based on the equivalent matching velocities at the maximum superimposed sound pressure amplitude values ​​and the normal incident reflection time. This method can accurately measure the sound velocity and thickness of the skull in situ.

The application relates to a radio frequency coil design method for transmit array spatial encoding imaging, and belongs to the technical field of magnetic resonance imaging. In view of the problems of low single-dimension coding efficiency, strong coupling interference between coils and nonlinear phase gradient of a traditional TRASE technology, axial and radial coding coils are designed based on a target field method and a magnetic dipole method, two-dimensional radio frequency phase coding is realized through reverse current solenoid decoupling combination, and excitation and signal receiving are realized in combination with a saddle coil. Through optimization of the coil structure and decoupling design, the technical scheme achieves multi-dimensional efficient coding, high-precision phase gradient, strong anti-interference and system light weight, and is suitable for the portability and dynamic monitoring scene of low-field magnetic resonance.

This invention discloses a design method, system, device, and medium for an ultra-low profile, high-aperture efficiency transmission array antenna. The method includes: simulating tensor impedance metasurface elements and obtaining the maximum equivalent scalar surface impedance corresponding to different structural parameters; establishing an impedance-structure model; designing the impedance distribution of the tensor impedance metasurface elements; obtaining the structural parameters of the tensor impedance metasurface elements through the impedance-structure model and designing a tensor impedance metasurface; simulating transmission metasurface planar elements and obtaining the transmission coefficient phase corresponding to different structural parameters of the transmission metasurface elements; establishing a phase-structure model; obtaining the structural parameters of the transmission metasurface elements under the target aperture field phase through the phase-structure model and designing a transmission metasurface plane; and designing an ultra-low profile, high-aperture efficiency transmission array antenna based on the designed tensor impedance metasurface and transmission metasurface plane. This invention significantly improves design freedom and facilitates meeting more beamforming and radiation direction design requirements.

A satellite in a communication system may be equipped with: a phased array antenna system comprising various configurations of an antenna array on one or more sides of the satellite; and a repeater system coupled between the one or more receive arrays and the one or more transmit arrays (e.g., for relaying communications via the satellite).

The invention relates to an ultrasonic array device for measuring the top oil temperature of a transformer and a measuring method, the ultrasonic array device comprises an ultrasonic array and a computer processing unit, and the ultrasonic array is composed of an ultrasonic transmitting unit and an ultrasonic receiving and signal conversion unit; the ultrasonic transmitting unit serves as a transmitting array element in the ultrasonic array and is used for receiving excitation parameters and an array element delay table which are transmitted to the ultrasonic transmitting unit by the computer processing unit; the ultrasonic receiving and signal conversion unit serves as a receiving array element in the ultrasonic array and is used for outputting a digital signal after the echo is subjected to amplification, filtering and analog-to-digital conversion; the computer processing unit is used for performing time gating, arrival time extraction and shell section time deduction on the digital signal, and performing inversion according to the sound velocity-temperature relation to obtain and display the oil temperature; the device has the advantages that the structure is simple and reasonable, the body does not need to be transformed, a larger area can be covered, and engineering feasibility is achieved.

The application discloses a DOA estimation method based on a multi-frequency nested MIMO array, and is based on a traditional nested MIMO array and a low-rank matrix completion theory. First, a set of mutually orthogonal multi-frequency detection waves are sent by a transmitting array of the nested MIMO array, are reflected by a target, are received by a receiving array of the nested MIMO array, are subjected to matched filtering, and then a plurality of groups of received signals are generated. A summation cooperative array with uniformly distributed holes is constructed. Signal reconstruction and low-rank matrix completion operations are performed on the summation cooperative array signals, and finally, DOA estimation is performed. Compared with a traditional DOA estimation method based on a sparse array, the DOA estimation method can improve the maximum estimable incident target number and resolution of the array, and reduce complexity, cost and size. Compared with other DOA estimation methods based on low-rank matrix completion and sparse arrays, the application optimizes the array structure for low-rank matrix completion, and improves the array aperture expansion efficiency.

Disclosed is an apparatus for transmission of data comprising multiple sector antennas associated with sectors, each sector antenna of the sector antennas comprising a reception array of antenna array elements and a transmission array of antenna array elements, the apparatus comprising means, for each sector, referred to as current sector, the means being configured for transmitting a subset of the data, associated with the current sector using a subcarrier comprising at least: mapping the subset of the data associated with the current sector to data symbols; and transforming each data symbol using at least one weight vector for obtaining a beamformed data symbol, and modulating the beamformed data symbol with the subcarrier; the means being configured for obtaining the weight vectors by iteratively adjusting the weight vectors to reduce a contribution of self-interference and cross-sector interference in signals of the apparatus.

The invention particularly relates to a method for generating high-power microwave beat waves, a transmitting array plane of a phased array high-power microwave system is divided into two or more sub-array planes capable of working independently, each sub-array plane is provided with an independent feed network and frequency synthesizers, and the multiple frequency synthesizers can achieve time alignment through synchronizing signals. And microwave excitation signals with the same or different carrier frequencies can be generated. The plurality of frequency synthesizers output different carrier frequency pulses, each independent subarray surface amplifies signals and radiates the signals outwards, and high-power beat wave pulses can be formed through space synthesis. The types of radiation pulse waveforms of the phased array high-power microwave system are increased, the strike distance of the high-power microwave system is increased, the universality of a killing target is improved, and the method has the advantages that the beat wave generation method is easy to implement, and the pulse waveforms are flexible and changeable.

The present application relates to the technical field of radar sensor, and relates to a millimeter wave radar echo signal processing method and system. When the surrounding environment is detected by a millimeter wave radar, a transmitting array generates and transmits FMCW radar wave detection pulses, a receiving array receives echo signals of the radar wave detection pulses reflected by targets in the environment, and the echo signals enter a receiving signal processor. The received signal pulses are converted into radar digital baseband signal sequences by a radio frequency front end module, a radar echo digital baseband intermediate signal sequence is obtained through first step digital baseband signal processing, the radar echo digital baseband intermediate signal sequence is transmitted to hardware for performing second step digital baseband processing through a high-speed data interface, the second step digital baseband processing is performed, CFAR and AoA detection are finally performed, and information of the detected target is obtained. Compared with a traditional scheme, the data amount of inter-chip transmission is greatly reduced, so that the baseband data scale that can be processed by the radar system is increased, and the radar detection capability is improved.

The application provides a two-dimensional DOA estimation method for arbitrary array single-base MIMO radar based on data rearrangement, and relates to the technical field of array sensor direction finding. The rank structure of a coherent signal covariance matrix is recovered by rearranging a received data matrix through arbitrary array element positions of a transmitting array and a receiving array; S2: eigenvalue decomposition is performed on the signal covariance matrix to obtain a signal subspace; S3: reliable rough estimation is obtained through rotation invariance; S4: an integer ambiguity vector corresponding to spatial phase ambiguity caused by array element spacing greater than half a wavelength is solved; S5: the phase of an array flow pattern with phase ambiguity is compensated, and an accurate estimation value of the 2D-DOA of the target is calculated; the high-precision 2D-DOA estimation problem in a complex scene of a coherent signal source, arbitrary array geometry and phase ambiguity caused by part of array element spacing greater than half a wavelength is solved, unambiguous and high-precision angle parameter estimation is realized, and the estimation accuracy and algorithm reliability are improved.

The present disclosure provides a beamforming method, device, equipment and storage medium. The method comprises: determining a first beamforming vector corresponding to each array unit in a transmitting array of a transmitting end, wherein the first beamforming vector is used to adjust the direction of the transmitting beam of the array unit, so that the direction of the beam transmitted by each array unit is adjustable; determining a second beamforming vector corresponding to each array unit, wherein the second beamforming vector is used to form an orbital angular momentum (OAM) beam; and performing beamforming on a transmitting signal based on the first beamforming vector and the second beamforming vector. The method provided by the present disclosure avoids the divergence of the transmitting beam, reduces the divergence angle of the transmitting beam, thereby avoiding the problem that different sizes of receiving end UCA arrays need to be designed for different transmission distances due to the divergence characteristics of the OAM beam, reducing the production cost, and solving the problem that the OAM system cannot be transmitted over a long distance due to the divergence angle.

The application discloses a kind of high-efficiency accurate conformal transmission array design methods, comprising: setting fine model and coarse model;Using swarm intelligence algorithm optimization to obtain coarse model optimal solution, and as fine model initial parameter;Using swarm intelligence algorithm extracts coarse model parameter corresponding to fine model parameter;According to the principle of space mapping, update mapping matrix, predict next step fine model parameter;Repeat the last two steps until the design result of fine model meets the requirement or mapping converges.The application proposes to combine space mapping algorithm and swarm intelligence algorithm to optimize the phase distribution of transmission array surface, designs conformal transmission array based on considering actual amplitude and phase error, and realizes excellent conformal transmission array.The method converts the full-wave simulation process (fine model) of transmission array into efficient array factor (coarse model) optimization process through parameter extraction, so that complex transmission array optimization can be successfully realized.

The embodiment of the invention provides a pest killing method and system based on terahertz waves and microwave pulses, and the method comprises the steps: transmitting a linear frequency modulation continuous wave signal of which the center frequency is a first frequency to a to-be-detected tree through a terahertz receiving and transmitting array antenna, and receiving a reflection echo of the linear frequency modulation continuous wave signal, identifying a potential pest area by using signal attenuation and frequency spectrum features; in response to the identified pest area, switching to a second frequency with a higher frequency, transmitting a terahertz continuous wave signal and acquiring a reflected signal of the terahertz continuous wave signal, and reconstructing a three-dimensional cross-sectional image of the pest area based on the signal so as to determine the accurate position, diameter and length of the pest; on the basis, according to a preset lethal electric field intensity threshold value and the pest size, the peak power of needed microwave pulses is calculated, non-thermal effect microwave pulses are emitted to the positions where the pests are located through a microwave antenna array at the target frequency and the target pulse width, selective killing is achieved, and the pulse width is smaller than pest thermal relaxation time; and thermal damage to the trees is avoided.

The invention provides a three-level transmitted waveform apodization method and system and ultrasonic imaging equipment. The apodization method is applied to the ultrasonic imaging equipment. A plurality of transmitting array elements are arranged on the ultrasonic imaging equipment; the three levels comprise a non-zero level; the apodization method comprises the following steps: acquiring a target ultrasonic waveform which needs to be emitted by ultrasonic imaging equipment; and determining a first duration for applying the non-zero level to each transmitting array element, so that the ultrasonic transmitting waveform transmitted by the ultrasonic imaging equipment is matched with the target ultrasonic waveform. Non-zero level of a first duration is applied to each transmitting array element in ultrasonic imaging equipment which does not support the application of any voltage to each transmitting array element, so that array element waveforms transmitted by each transmitting array element have different transmitting energy; therefore, the ultrasonic waveform after the waveform of each array element is superposed can be matched with the target ultrasonic waveform, so that the ultrasonic imaging equipment can emit an ideal waveform close to any applied voltage.

The invention discloses a fractal MIMO (Multiple Input Multiple Output) array design method for increasing degree of freedom in a static / dynamic scene. The fractal MIMO array design method comprises the following steps: establishing a signal model of a static MIMO array and a signal model of a motion MIMO array; establishing an equivalent array model of the static and motion MIMO arrays; determining a generator array and an order, wherein the generator array needs to meet the condition that the differential array has no void; generating a fractal array according to the generator array and order recursion, and taking the fractal array as an equivalent array expression of static and motion MIMO arrays; and splitting the equivalent array expression of the static MIMO array to obtain expressions of a receiving array and a transmitting array, and splitting the equivalent array expression of the motion MIMO array to obtain expressions of the receiving array, the transmitting array and a sampling position. Aiming at the monostatic MIMO array, the invention provides a universal, flexible and simple formation design framework in a static / dynamic scene, the formation design criteria of closed solution, large degree of freedom, no cavity and the like are met, and the direction of arrival estimation performance is enhanced.

An RF receiver may include antenna elements to receive RF signals, and electro-optic modulators to generate corresponding upconverted optical signals by mixing an RF signal with an optical carrier beam. The RF receiver may include a transmission array having a first bundle of optical waveguides that receive and transmit upconverted optical signals from their ends. The ends may be arranged in a first pattern. The RF receiver may include an interference space to receive the upconverted optical signals to form a composite beam, and an array of single mode optical fibers that have lenses positioned in a detection plane to receive a portion of the composite beam. The first pattern of the ends generates an RF emitter interference pattern at the detection plane, and the single mode optical fiber lenses have a geometric arrangement that corresponds to the first RF emitter interference pattern.

The invention relates to the technical field of optical modules, in particular to an optical module coupling process which comprises the following steps: S1, an optical substrate is provided, the front surface of the optical substrate is provided with a first mounting position and a first lens, and the back surface of the optical substrate is provided with a second mounting position and a second lens; s2, fixing a laser on the first mounting position, and activating the laser to emit a test light signal; s3, coupling and fixing an optical fiber sending array on the front surface of the optical substrate by taking a first light spot generated after the test optical signal passes through the first lens as a reference; s4, a photoelectric detector is coupled and fixed on the back surface of the optical substrate by taking a second light spot generated after the test optical signal passes through the second lens as a reference, so that the photoelectric detector is aligned with the second light spot; and S5, fixing the optical fiber receiving array on the second mounting position. Compared with the prior art, the optical elements are installed on the front face and the back face of the substrate in a distributed mode, the problem of space congestion of a traditional single-side process is avoided, and the integration degree of the optical module is improved.

A communication method and apparatus, relating to the technical field of communications. In the method, by constructing a grating lobe, and using joint scanning of a transmitting array and a receiving array (that is, setting a transmission scanning parameter of a transmitting node and a reception scanning parameter of a receiving node in an association manner), the scanning overhead can be reduced while the sensing performance gain is ensured.

The invention belongs to the technical field of wireless communication security, and discloses an MIMO system equipment identity authentication method based on mutual coupling and spatial AoA, which is realized through the following steps: a transmitting end communicates with a receiving end, an uplink millimeter wave channel is constructed, a communication model with a bimodal characteristic is established, namely, a signal is received, and the signal is transmitted to the receiving end; the communication model comprises a mutual coupling fingerprint model and an AoA fingerprint statistical model, and the mutual coupling fingerprint model comprises a transmitting array mutual coupling matrix and a receiving array mutual coupling matrix; a multi-signal classification algorithm based on a feature space is adopted to extract MC features and an AoA value of a communication model, a receiving end judges whether a current received signal is from legal equipment or an attacker based on the extracted MC features and the extracted AoA value, and authentication is completed. According to the method, a hardware-level MC effect and space arrival angle characteristics are combined, an efficient and high-robustness bimodal physical layer authentication scheme is provided, and a new solution is provided for a future 6G high-security scene.

The invention relates to the field of satellite communication antennas, in particular to a vehicle-mounted VICTS communication-in-motion antenna. A receiving array plane and a transmitting array plane of the VICTS antenna are formed by a feed layer, a branch knot layer, a circular polarization grid layer and a linear polarization grid layer. A receiving array plane and a transmitting array plane of the VICTS antenna respectively drive four layers of discs to rotate through four motors, totally eight motors are needed for driving, and accurate rotating speed and angle position control is achieved through a synchronous belt. The four layers of discs of the receiving and transmitting array plane of the VICTS antenna are supported by the central shaft, and are supported by 24 groups of roller devices in the circumferential direction, so that each layer is stably supported. And meanwhile, the surface of the wheel rail is subjected to hard oxidation treatment, so that the hardness of the surface of the wheel rail is improved, and the service life of the VICTS antenna in a vehicle-mounted impact vibration environment is prolonged.

The present application relates to a kind of underwater target attitude angle identification method based on multi-base sonar, belong to target parameter estimation field.Multi-base sonar system transmits signal by transmitting array, then the echo signal of target is received by multiple receiving arrays, the target distance-angle dictionary is constructed by echo signal, the distance-angle dictionary of different receiving arrays is combined to form distance-angle joint dictionary, three attitude angle estimation values are obtained by solving distance-angle joint dictionary, and the optimal weighted linear data fusion method is used to process it to obtain optimal solution.The present application increases the information amount of target, and combines sparse feature extraction method, so that the target distance attitude angle obtained is more accurate, makes up the shortcoming that single-base sonar detection range is small and concealment is poor.The angle information obtained by each receiving array is fused by the method of data fusion to obtain optimal solution, and the identification precision of target attitude angle is improved.

The invention relates to the technical field of ultrasonic decayed tooth detection, in particular to a decayed tooth detection device based on MEMS ultrasonic transducers, which comprises an ASIC circuit and a transceiving integrated MEMS ultrasonic transducer array which are connected with each other, and the ASIC circuit and the transceiving integrated MEMS ultrasonic transducer array are attached to the surface of a tooth to be detected after being wrapped by an external coupling layer; the ASIC circuit is connected with one end of a wire which penetrates through the external coupling layer and is composed of a polymer multi-cycle heterojunction thermoelectric material and a gold electrode, the other end of the wire is arranged outside the oral cavity, and after thermoelectric potential is generated by utilizing the Seebeck effect, the ASIC circuit generates an excitation signal according to the thermoelectric potential; the transmitting array of the transmitting-receiving integrated MEMS ultrasonic transducer array transmits ultrasonic waves outwards, so that the ultrasonic waves are transmitted through the external coupling layer to enter the interior of the tooth to be detected, and the receiving array receives ultrasonic echoes returned by the tooth to be detected so as to carry out decayed tooth detection on the tooth to be detected.

The embodiment of the invention provides a vehicle-mounted millimeter wave radar antenna arraying method and device and a vehicle. The method comprises the following steps: determining the number of first transmitting and receiving antennas meeting azimuth direction requirements and the number of second transmitting and receiving antennas meeting pitching direction requirements according to radar dimensions and angle measurement performance indexes; determining an azimuth linear array according to a first constraint condition and the number of the first transmit-receive antennas; determining a pitching linear array according to a second constraint condition and the number of the second transceiving antennas; and combining the azimuth linear array and the pitching linear array to obtain a transmitting array and a receiving array which are represented as cross structures. The method is used for achieving the effect of improving the detection capability.

The embodiment of the invention provides a near-field sparse antenna array layout optimization method and device, equipment and a medium. The method comprises the following steps: firstly, determining the minimum aperture of a sparse antenna array according to resolution; then determining a transmitting array aperture and a receiving array aperture according to the minimum aperture of the sparse antenna array, the number of transmitting array elements and the number of receiving array elements; further, according to the transmitting array aperture and the receiving array aperture, constructing an optimization problem including a target function and a constraint condition; converting the optimization problem by adopting a mathematical approximation method to obtain a solvable convex optimization problem; and finally, solving the convex optimization problem through a convex optimization solver to obtain an array element position vector of the sparse antenna array. Through the method, the calculation efficiency and accuracy of the array element position of the sparse antenna array are improved.