522 results about "Antenna design" patented technology

The invention relates to the technical field of metasurface antennas, and provides a metasurface antenna parameter optimization method and system based on a convolutional neural network, and the method comprises the steps: collecting metasurface sample data; extracting a comprehensive electromagnetic feature set, and establishing a nonlinear mapping relation model; constructing an antenna performance comprehensive evaluation function, inputting the nonlinear mapping relation model and the antenna performance comprehensive evaluation function into a hybrid optimization algorithm to generate a parameter candidate set, and performing local optimization on the parameter candidate set by using a particle swarm algorithm to obtain a metasurface antenna parameter combination; and extracting electromagnetic characteristics of the metasurface antenna parameter combination, iteratively adjusting the height parameter of the resonant cavity until the height parameter meets a threshold value to obtain an electromagnetic simulation verification result, and feeding back the electromagnetic simulation verification result to the deep Q neural network model for parameter updating to obtain an optimal metasurface antenna parameter combination. According to the method, the optimization of antenna parameters is realized, the design efficiency of the metasurface antenna is improved, and the consumption of electromagnetic simulation calculation resources is reduced.

The invention provides an artificial intelligence auxiliary antenna design method based on a Gaussian regression process, and the method comprises the steps: employing a script interface to interact with a simulation platform, automatically completing the parameterized modeling process of an antenna model, and setting an excitation condition and a radiation boundary; a multi-dimensional space stratified sampling method is adopted to generate a uniformly distributed sample point set in the multi-dimensional parameter space, and electromagnetic simulation is carried out; preprocessing the data output by simulation to form a data structure suitable for machine learning model processing; integrating the trained MLNN model into a grey wolf optimization algorithm, and optimizing antenna design parameters; and performing electromagnetic simulation on the optimal parameter obtained by optimization, comparing a prediction result with actual simulation data, and verifying the performance of the optimization engine in the target frequency band. According to the method, the problems of insufficient sample generation efficiency, insufficient parameter sensitivity analysis, limited model generalization ability, low convergence speed of an optimization algorithm and the like in the prior art can be solved.

The invention discloses a wireless communication battery management system with a signal adaptive adjustment function, and relates to the field of wireless communication networks. The signal monitoring unit is used for monitoring parameter data of wireless signals in real time and transmitting the parameter data to the signal processing unit, and the signal processing unit comprises a multi-band antenna and a signal acquisition circuit; and the signal processing unit is connected to the signal monitoring unit and is used for receiving the parameter data of the wireless signal transmitted by the signal monitoring unit and carrying out filtering, noise reduction and enhancement processing on the signal through a preset signal processing algorithm. The distributed multi-band antenna design is combined with the automatic gain control technology, the signal receiving range is expanded, blind areas are reduced, the stability of signal collection in a complex environment is improved, signal multi-scale noise reduction is achieved through the wavelet transform algorithm, the signal quality trend is pre-judged in advance in combination with machine learning prediction, and the signal quality is improved. And the control unit is supported to pre-adjust the transmitting power and switch to a high-quality frequency band, so that the probability of communication interruption is reduced.

An RF-based material detection device includes an antenna connector, a first interchangeable antenna capable of being releasably coupled to the RF-based material detection device via the antenna connector, an RF transmitter unit operably connected to the antenna connector and configured to transmit an RF signal via the first interchangeable antenna into a first material at a specific resonance frequency for the first material, and an RF receiver unit operably connected to the antenna connector and configured to receive from the first material via the first interchangeable antenna a first modified signal in response to interaction of the RF signal with the first material, wherein the first interchangeable antenna includes one or more design characteristics optimized to detect the first modified signal from the first material.

The invention discloses an antenna size optimization method, an antenna and a household electrical appliance product, and the method comprises the steps: carrying out the multi-time iteration of a size parameter combination of an ultrahigh frequency antenna, and evaluating the performance of the antenna corresponding to the size parameter combination obtained through each iteration through a pre-trained performance estimation model, so as to screen out the optimal antenna size of the ultrahigh frequency antenna. Electromagnetic simulation software does not need to be used in the antenna size automatic optimization process, the computing power cost and the time cost in the antenna design process are effectively reduced, and the risk of insufficient memory is reduced.

The invention discloses an ultra-wideband antenna design method and system based on deep learning and a medium, and the method comprises the steps: obtaining a design target of a target ultra-wideband antenna, and extracting structure parameters related to the antenna performance according to antenna design instance data; preparing sample data according to the structure parameters and preprocessing the sample data, building an agent model based on an NAR dynamic network in combination with a multi-layer sensor, training the agent model by using the sample data, and configuring agent model parameters; and obtaining an optimal structure parameter of the target ultra-wideband antenna by using the trained proxy model, performing simulation verification on the output optimal structure parameter, and configuring a design scheme of the target ultra-wideband antenna. According to the method, the NAR dynamic network is combined with the multi-layer perceptron to establish the proxy model, so that optimization tasks of different structural parameters can be adapted, the efficiency is improved on the premise of ensuring the performance, and the design speed and precision of the ultra-wideband antenna are improved.

The invention relates to a microwave wireless energy transmission reflector antenna fast multi-objective optimization method comprising the following steps: establishing an MWPT system simulation model, adopting a Bernstein polynomial basis function to carry out dimension reduction processing on a decision space of an antenna, and reducing the number of decision variables; expressing the constructed MWPT system transmitting antenna optimization model as a multi-objective optimization model through a multi-objective optimization function; constructing an agent model based on Gaussian process regression GPR; a proxy model and an evolutionary strategy are integrated through a Gaussian process regression proxy model and a covariance matrix adaptive evolutionary algorithm, a non-dominated solution set is obtained through iterative optimization, and then the multi-objective design of reflector antenna aperture illumination is optimized. According to the method, three performance indexes of BCE, PRL and APC are comprehensively considered, the Bernstein polynomial basis function is adopted to carry out dimension reduction processing on the antenna design decision space, the number of antenna design decision variables is effectively reduced, the proxy model is introduced into the antenna optimization design method, and the optimization design efficiency is improved.

A wireless electromechanical lock with one or more of an internal antenna, touch activation, and / or a light communication device that acts as a user interface. In some embodiments, the lock utilizes an antenna near the exterior face of the lockset, designed inside the metal body of the lockset itself. A light communication device is provided in some embodiments to communicate information, visually, to the user via animations and dynamic displays of light. In some embodiments, the lockset includes a touch activation capability, which can be used to lock / unlock the lock and / or otherwise provide input.

A differential feed dual-frequency dual-polarization microstrip filtering antenna comprises three layers of dielectric substrates which are arranged at intervals from top to bottom, and an octagonal annular coupling parasitic structure is loaded on the lower surface of the first layer of dielectric substrate; a rectangular radiation patch is printed on the upper surface of the second dielectric substrate and is loaded with four non-closed rectangular gaps which are distributed in a square shape and are mutually rotationally symmetrical. A cross-shaped parasitic branch knot and four L-shaped symmetrical open-circuit branch knots which are distributed in a rhombus shape and extend outwards along the diagonal direction of the rhombus are printed on the lower surface of the second dielectric substrate layer; the lower surface of the third dielectric substrate is a metal floor; the second layer of dielectric substrate and the third layer of dielectric substrate are connected through a coaxial feeder line; according to the dual-frequency dual-polarization filtering antenna, the mode of combining the differential feed technology and the microstrip antenna is adopted, the design of the dual-frequency dual-polarization filtering antenna with four radiation zero points is achieved, the antenna has good edge selectivity and good out-of-band rejection capacity, in-band gain is stable, and a directional diagram has good symmetry and directionality.

The invention discloses a machine learning-assisted metasurface loading and decoupling patch antenna design method, particularly relates to the technical field of antenna design, and solves the problem that in the prior art, a metasurface loading and decoupling patch antenna design method can only realize port decoupling but cannot realize directional diagram decoupling. And the design method needs complex theoretical analysis calculation and time-consuming parameter optimization. According to the technical scheme, a data set composed of a pixelated metasurface and electromagnetic response is used for training an agent model, and a parameter optimization algorithm is combined with the trained agent model to update parameters according to a cost function; according to the method, the problem of simultaneous decoupling of the port and the directional diagram can be solved, and complex theoretical analysis calculation and time-consuming parameter optimization can be avoided.

The invention relates to the technical field of electromagnetic simulation, in particular to a W-band antenna pointing angle simulation analysis method, which comprises the following steps: acquiring the size of a W-band antenna and the form of a radiation unit, extracting main lobe curvature and feed matching characteristics, identifying a main lobe edge interference path, and adjusting a reflection phase to form a dynamic reflectivity boundary. Dividing tetrahedron and hexahedron grids to evaluate polarization consistency, optimizing a field intensity relationship between a main lobe and a side lobe, screening an angle interval, and obtaining a directional angle correction parameter. According to the invention, the specific size and form of the antenna are acquired, the curvature distribution of the main lobe coverage area and the matching relation with the feed structure are deeply analyzed, and the reflection intensity difference between the main lobe path and the side lobe path is monitored, so that the pointing precision and the coverage efficiency of the antenna are effectively improved; according to the antenna design, the performance is ensured, the specific area can be optimized, and the predictability and the stability of the antenna performance are remarkably improved.

A vehicle includes a window having an antenna assembly. The window includes a glass surface, a metal frame around the glass surface, and a set of defroster wires in the glass surface. A top wire of the set of defroster wires is separated from a top edge of the metal frame by an antenna region. The antenna is disposed in the antenna region. The antenna has a first end and a second end opposite the first end. The first end intersects a horizontal cover line of the metal frame tangentially. A feed line connects to the first end at the horizontal cover line. A ground line electrically couples the second end of the antenna to the metal frame.

The invention relates to the field of intelligent optimization algorithms, and provides an antenna design method based on a collaborative hybrid electric eel algorithm. The method comprises three stages of interaction, rest and hunting: in the interaction stage, introducing a differential variation strategy of DE, generating a new solution in combination with a random direction vector to enhance the global search capability, and if the individual fitness is insufficient, executing random disturbance to expand the search direction; in the rest stage, a PSO speed-position updating formula is adopted, and an individual extreme value and a global extreme value are utilized to guide local fine search; in the hunting stage, a Metropolis criterion of SA is combined, an inferior solution is accepted by probability to avoid local optimum, and exploration intensity is controlled through dynamic annealing temperature. According to the algorithm, self-adaptive mode switching is achieved by dynamically adjusting an energy attenuation factor and a simulated annealing temperature, meanwhile, a boundary reflection method is adopted to ensure that a solution is in a feasible region, and stability is improved. Experiments show that SHEEA can quickly jump out of local optimum in a complex multi-peak function test, and performance indexes are remarkably improved in multi-frequency antenna design.

The invention provides an arrival wave angle estimation method based on a zero scanning leaky-wave antenna. A rectangular waveguide is selected as a basic structure to design a periodic leaky-wave antenna only working in a-1 harmonic state; designing necessary antenna simulation parameters; a first leaky-wave antenna is designed; adjusting the gap interval p, and designing a second leaky-wave antenna; obtaining pattern functions of the first leaky-wave antenna and the second leaky-wave antenna; proper amplitude and phase parameters are selected for directional diagram synthesis, and a new directional diagram function is obtained; constructing an array guiding matrix suitable for the MUSIC algorithm; signal sources are arranged at different positions, simulation testing is carried out through MATLAB, and the incoming wave angle estimation capability of the zero-point scanning leaky-wave antenna is verified. According to the invention, a feasible technical path is provided for high-precision positioning and tracking application in future 6G mobile communication. The antenna is especially suitable for application in millimeter wave and terahertz frequency bands, such as vehicle-mounted communication, unmanned aerial vehicle platforms, military electronic countermeasures and the like.

The invention, which relates to the antenna field, discloses a high-precision hybrid polarization microwave imaging antenna system comprising an H / V polarization independent radio frequency isolation network and a dielectric laminated orthogonal feed architecture. The H / V polarization independent radio frequency isolation network realizes isolation between H polarization and V polarization in the phased-array antenna and amplitude-phase consistency; the dielectric laminated orthogonal feed architecture is used for regulating and controlling near-field coupling energy distribution, so that H / V polarization field distribution is orthogonal to each other and shares the same phase center. According to the invention, an H / V polarization independent radio frequency isolation link and dielectric lamination orthogonal feed architecture is provided, the H / V polarization high isolation degree of a radio frequency link is guaranteed at a hardware level, and crosstalk among different polarization signals is effectively reduced; and meanwhile, through the flexible control time sequence design of hybrid polarization simultaneous emission, the high-efficiency integrated low-error delay T / R assembly and the common-caliber same-phase center antenna design, the amplitude and phase height consistency of H / V polarization signals is realized, and the imaging problem caused by amplitude and phase difference is avoided.

The invention relates to a dual-frequency polarization and modal multiplexing circular polarization vortex wave antenna design method, which only uses a layer of dielectric substrate, has the advantages of low profile, small size, light weight and the like, can adopt a mature PCB (Printed Circuit Board) manufacturing process, greatly reduces the processing cost, and is convenient for engineering realization. Through the design of the units and the array plane, reflection in the same rotation direction is achieved, the formed array plane has the characteristics of polarization multiplexing and modal multiplexing compared with vortex waves generated by a traditional same-aperture reflective array, and the defect that spectrum resources are insufficient in traditional wireless communication is overcome. The designed antenna can generate vortex waves with different polarizations and modal numbers in different frequency bands, the beam direction and the modal number can be regulated and controlled at will, and the antenna has great application prospects in the fields of wireless communication, target detection, microwave imaging, security encryption and the like.

The invention relates to an anti-multipath Beidou antenna design method based on reconfigurable polarization, and belongs to the technical field of satellite navigation and positioning. The method comprises the following steps: fusing data through a distributed sensing and generative adversarial network, and identifying direct and reflected signals by using a decision tree model; constructing a polarization decision model driven by reinforcement learning, and dynamically switching the polarization state of the antenna through a digital phase shifter array, so that the polarization state is matched with a direct signal and mismatched with a reflected signal, thereby realizing multi-path suppression of a polarization domain; a reconfigurable phased array and a digital beam forming technology are combined, a multipath incoming wave direction is predicted, and dynamic null is constructed for spatial filtering; signal tracking and decoupling are carried out by adopting particle filtering and a long-short-term memory network, a vision-inertial navigation cooperation mechanism is introduced, combined suppression and compensation of a dynamic multipath source are realized, and an anti-multipath positioning result is output. And low-cost and high-precision indoor Beidou positioning is realized.

The invention belongs to the technical field of antenna design, and provides a geological radar antipodal Vivaldi antenna for lining deep detection, which comprises a dielectric substrate, a metal radiation patch and a parasitic patch, the two metal radiation patches are etched on the upper surface and the lower surface of the dielectric substrate; the two metal radiation patches have the same structure and are respectively composed of a radiation part and a feed part; the feed part is etched with a microstrip line, and the microstrip line is connected with the radiation part in a gradual change index curve mode. The inner edge of the radiation part is an index gradual change slot line; the side edges of the two radiation parts are symmetrically engraved with concave semi-elliptical grooves; a plurality of parallel comb-shaped open grooves which are vertical to the side edge of the dielectric substrate are formed in the semi-elliptical groove; the tail ends of the comb-shaped open grooves are attached to the contour lines of the semi-elliptical grooves at different lengths. The method can improve the accuracy and reliability of tunnel lining deep layers.

The invention provides a design optimization method and device of an MIMO antenna, equipment and a medium, and belongs to the field of antenna design, and the method comprises the steps: obtaining historical design parameters and corresponding performance indexes of the MIMO antenna; preprocessing the historical design parameters and the performance indexes, constructing a mapping relation between the input data and the output data, and training based on the mapping relation to obtain a forward prediction model and a generation model; and receiving target performance index input, generating a candidate design parameter set by utilizing the trained generation model, performing iterative optimization by taking the candidate design parameter set as an initial population and combining a forward prediction model as an agent model and adopting a multi-objective evolutionary algorithm, and outputting a Pareto optimal solution set as a target design parameter set. Therefore, the performance evaluation link is greatly accelerated by means of the agent model, diversified non-inferior solution selection is provided through Pareto frontier analysis, and different design targets can be flexibly balanced according to actual requirements.

The low-frequency electromagnetic wave has the characteristics of high penetrability and low signal attenuation, and can be widely applied to the fields of underground communication, underwater communication and the like. Most existing low-frequency transmitting antennas are electrically small antennas, have the problems of large size, complex equipment, short transmission distance and the like, and are difficult to meet actual requirements. The invention relates to a high-power pulse low-frequency antenna based on a Tesla coil. The high-power pulse low-frequency antenna is a high-power pulse transmitting antenna composed of a solid-state double-resonance Tesla circuit, a transformer, a primary coil and a secondary coil. The antenna adopts a high-voltage pulse generated by a Tesla circuit for feeding, and meanwhile, a transformer type impedance matching network is combined, so that the feed power is maximized. The radiation coil selects a primary and secondary nested coupling structure, the working frequency is accurately adjusted to be the output frequency of the Tesla circuit by respectively connecting resonant capacitors in series to the primary and secondary coils, and effective amplification of radiation signals is realized based on a magnetic coupling effect. The size of the coil is in the sub-cubic meter level and is within one thousandth of the working wavelength. Aiming at the antenna design difficulty in long-wave communication, the antenna has the advantages of high input power, long-distance transmission and small physical size, and has potential application value in the fields of cross-medium communication, emergency management communication and the like.

The invention belongs to the technical field of antennas, and particularly provides a multi-process hybrid integrated packaging antenna, which is used for solving the problem that an existing single packaging antenna is incompatible between high-density packaging of a chip and high-efficiency radiation of the antenna. The structure comprises a glass through hole antenna radiator 1, a wafer-level fan-out packaging chip 2 and a quasi-coaxial bonding structure 3, the wafer-level fan-out packaging chip feeds the glass through hole antenna radiator through a quasi-coaxial bonding structure, the quasi-coaxial bonding structure comprises a feed assembly, the feed assembly is of a quasi-coaxial structure and is composed of a center feed micro-convex copper column and a plurality of peripheral feed micro-convex copper columns, the center feed micro-convex copper column is located at the center position, and the peripheral feed micro-convex copper columns are located at the periphery of the center feed micro-convex copper column. And the plurality of peripheral feed micro-convex copper columns are uniformly and circumferentially arranged around the central feed micro-convex copper column. In conclusion, the advantages of wafer-level fan-out packaging and glass through hole antenna technologies are integrated, and high-density and high-integration-level chip packaging and efficient radiation antenna design are achieved.

The invention discloses a dual-polarization filtering integrated antenna and a manufacturing method, and relates to the technical field of communication, the dual-polarization filtering integrated antenna comprises an antenna assembly and a filtering assembly, the antenna assembly comprises a substrate, a grounding plate and two groups of radiation units, the grounding plate is arranged at the first end of the substrate, and the filtering assembly is arranged at the second end of the substrate; each radiation unit comprises an electric dipole, a magnetic dipole and a feed part, the magnetic dipole comprises two single walls, each single wall comprises a plurality of metal columns, the feed part is arranged at the second end of the substrate, the electric dipole is arranged in the horizontal direction and located between the first end and the second end, and the metal columns are arranged at intervals and form an electromagnetic shielding cavity; the filtering assembly is arranged between the electric dipole and the first end and is positioned in the electromagnetic shielding cavity; the filtering assembly comprises a filter, a vertical transmission line and an improved structure; the filter comprises a plurality of capacitors and inductors; according to the technical scheme provided by the invention, the limitation of contradiction between the structural integration level and the electromagnetic performance in the conventional filtering antenna design can be broken through.

The invention discloses a multi-channel switching antenna based on a translation reconfigurable metasurface array, and relates to a multi-channel switching antenna design technology, in particular to a function of translation regulation and control of a beam deflection angle of a translation reconfigurable metasurface. And therefore, the functions of channel switching, dual-channel output and the like can be achieved. The multi-channel switching antenna comprises a translation reconfigurable metasurface array, a mechanical driving system, a feed circuit and a horn antenna array. The main process of the design method is that phase distribution of the translation reconfigurable metasurface is solved based on the generalized Snell law, the differential equation and the Rayleigh-Sommerfeld formula, then the metasurface unit structure and the translation reconfigurable metasurface which meet the requirements are designed through electromagnetic simulation software, arraying is conducted on the translation reconfigurable metasurface, and finally the translation reconfigurable metasurface is obtained. The multi-channel switching antenna based on the translation reconfigurable metasurface array is obtained, and the functions of channel switching, dual-channel output and the like can be achieved.

The invention discloses an antenna design method integrated with a two-dimensional structure balancer. The two-dimensional structure balancer is composed of a feed cable and a simulation cable, wherein the feed cable and the simulation cable are bent along a characteristic line of a two-dimensional oscillator and attached to the surface of the two-dimensional oscillator. According to the invention, a low-frequency resonance point can be introduced without adding any load or disturbance, the lower limit working frequency of the antenna is expanded, and the broadband performance is realized. The broadband performance is realized, and only the horizontal polarization component is excited when the antenna is horizontally arranged. The antenna is simple in structure, low-frequency resonance points can be introduced without additional loading or disturbance, broadband performance is achieved, the original size of the antenna is kept, the antenna has the advantage of miniaturization, and the antenna is easy and convenient to manufacture and high in cost effectiveness. The antenna array can also be used for an oscillator antenna with any two-dimensional convex boundary shape, an antenna array unit can be designed and arrayed according to the scheme, the antenna array unit is expected to be further designed and used for all communication frequency bands, and the antenna array unit has wide application prospects in high-speed data transmission scenes such as low-altitude service and everything intelligent connection.

The invention discloses a single-layer broadband circularly polarized filtering antenna based on a rotary feed structure and a use method, relates to the technical field of antenna design, and is used for solving the technical problems that an existing filtering antenna is narrow in bandwidth, difficult to integrate and the like. The filtering antenna comprises a single-layer dielectric substrate, a top-layer metal patch, a feed metal through hole, a bottom-layer metal bottom plate and an input coaxial structure, wherein the top metal patch is arranged on the upper surface of the single-layer dielectric substrate; the bottom-layer metal bottom plate is arranged on the lower surface of the single-layer dielectric substrate; the top layer metal patch is connected with an inner conductor of the input coaxial structure through a feed metal through hole penetrating through the single-layer dielectric substrate, and an outer conductor of the input coaxial structure is connected with the bottom layer metal bottom plate, so that the rotary feed structure can be improved on the single-layer dielectric substrate, and the parasitic metal patch is additionally arranged on the single-layer dielectric substrate; therefore, the filtering antenna has broadband and filtering radiation performance.

The invention discloses an up-mixing harmonic energy communication system and method based on direct-mixing intermodulation signal suppression. The communication system includes a receive antenna and an integrated rectified transmitter. The integrated rectified transmitter includes a first branch and a second branch. The invention provides an integrated rectification transmitter with a double-branch structure, an IM2 modulation module is arranged at the tail end of a first branch, and a 90-degree phase shift network is arranged at the head end of a second branch, so that uncontrollable IMD3 signals generated in the first branch and the second branch have a phase difference of 180 degrees and are mutually counteracted; in this way, only the upmixing IMU3 signal which can be controllably and accurately modulated in the first branch is reserved in the uploaded backscattering signal, and more accurate and reliable wireless energy cooperative information transmission is achieved. According to the invention, the frequency of the IM3 signal for communication is close to that of the input dual-tone signal, so that multiplexing can be realized by only needing a small bandwidth in the design of the receiving and transmitting antenna.

The invention discloses a low-scattering ultra-wideband wide-angle scanning antenna array, and belongs to the technical field of antennas. The antenna comprises an ultrathin wide-angle impedance matching layer and an antenna array. The antenna array comprises four antenna sub-arrays, and the antenna sub-arrays are arranged in a 2 * 2 chessboard mode; the antenna sub-array is composed of unit antennas arranged in a 8 * 8 rectangle. Wherein the unit antennas of two antenna sub-arrays are first ultra-wideband antenna units, and the unit antennas of the other two antenna sub-arrays are second ultra-wideband antenna units. The antenna array is low in profile, the VSWR can be kept to be smaller than 3.5 in the working frequency band of 2.5-18 GHz to meet the good radiation state, + / -72-degree large-angle beam scanning is supported, meanwhile, RCS reduction with the average being 8.7 dB and the peak value being 13.9 dB is achieved, and the array antenna design integrating the low profile, the wide frequency band, the wide angle and RCS reduction is achieved.

The invention discloses a satellite-borne flexible coverage multi-beam antenna and a design method thereof, and the antenna is composed of a reflector and a feed source array. A beam synthesis mode of synthesizing each beam by a full-scale feed source is adopted, antenna parameter configuration is optimized, and a feed source array excitation coefficient is reconstructed to carry out beam flexible coverage design, so that the problems that a traditional satellite-borne passive antenna does not have a beam on-orbit reconfigurable capability, the number of direct radiation array antennas is large, and a system is complex are solved; in-orbit flexibility and variability of antenna coverage size, coverage shape, coverage position, beam scale and the like in a service area are met, and an antenna design theoretical method and key technical support are provided for high-flux flexible load satellites in the future.

The invention discloses a filtering antenna design method of a naked mole algorithm based on SHAP, and relates to the crossing field of a radio frequency front end of a wireless communication system and a computer algorithm. According to the method, the SHAP value is utilized to quantify the influence of the antenna structure parameters on the antenna performance, the search strategy in the NMRA is dynamically adjusted, and the exploration capability of the algorithm in a high-dimensional space is enhanced. Firstly, the SHAP value of each antenna parameter is initialized, and then the NMRA algorithm stage is entered. In the working stage, SHAP weighted differential evolution is carried out, and in the breeding stage, all breeders update their own states according to a certain probability, and breeders with poor performance are eliminated; self-adaptive variation is carried out according to the probability pm so as to prevent from falling into local optimum; and finally, evaluating the new population, updating the current optimal solution, and outputting the optimal solution after the maximum number of iterations is reached. The method is mainly applied to the fields of short-wave satellite communication, radars and the like, the limitation that a uniform search strategy is adopted for all features in the high-dimensional optimization problem of a traditional NMRA algorithm is overcome, and it is guaranteed that the performance of a filtering antenna is good.

The invention relates to the field of large-spacing array antenna design optimization, in particular to a low-sidelobe large-spacing array antenna amplitude and phase design optimization method. Amplitude and phase values are randomly distributed for each large-spacing array element, the variation ranges of the amplitude and phase values are set, and a series of large-spacing array antenna radiation patterns with different characteristics can be generated through the random amplitude and phase combination, so that the large-spacing array antenna radiation pattern is more uniform in radiation. The rich radiation pattern data form a training data set of a neural network model, then the neural network model is trained through the obtained data set, and after training is completed, the radiation pattern of the large-spacing array antenna with the sidelobe level lower than-20dB is input into the trained neural network model, so that the radiation pattern of the large-spacing array antenna with the sidelobe level lower than-20dB is obtained. And outputting the optimized amplitude and phase distribution by the neural network model. The method is suitable for optimizing the design of the large-spacing array antenna.