82 results about "Field energy" patented technology

The invention discloses a laboratory safety state evaluation method and system based on multi-source data fusion, and relates to the field of laboratory safety management.The method comprises the steps that multi-source sensing data of a laboratory are collected and aligned to a unified time axis, and a laboratory sensing data matrix is constructed; grey correlation analysis is introduced, the risk correlation degree between data of each sensor and a preset risk mode is calculated, and identification of a potential risk mode is achieved; the reliability weight is dynamically determined according to the historical stability, baseline deviation and calibration period of the sensor so as to suppress data distortion caused by aging and drifting; and comprehensively calculating the risk correlation degree, the reliability weight and the risk severity coefficient to form weighted risk energy, and generating laboratory risk field energy through space-time coupling superposition so as to calculate a corresponding laboratory risk state level. Therefore, the dynamic quantification and grading judgment of the overall safety state of the laboratory are realized, and the risk identification capability of the complex laboratory environment is improved.

The invention discloses a single-layer fully-polarized reflective double-sided image metasurface and a design method. The reflective double-sided image metasurface is composed of a positive structure metasurface, a complementary structure metasurface and an intermediate dielectric substrate. The positive structure metasurface is formed by periodically extending and arranging m * m polarization conversion units in a plane, and arbitrary polarization conversion and phase regulation and control of electromagnetic waves of a specific frequency band are achieved. The polarization conversion unit is composed of an upper-layer chamfered rectangular patch or elliptical patch metal; the complementary structure metasurface is formed by periodically extending and arranging m * m complementary I-shaped units in a plane, and radar cross section reduction of back incident electromagnetic waves is achieved. Each complementary I-shaped unit is composed of a circular ring groove and I-shaped ring groove metal. The reflective double-sided image metasurface can realize polarization conversion under the excitation of forward arbitrary polarization electromagnetic waves and is used for near-field energy detection, can reduce the radar cross section under the excitation of backward orthogonal electromagnetic waves, and has the advantages of high working efficiency, small thickness and the like.

The invention discloses a workshop production quality online detection system based on machine vision and AI, and particularly relates to the field of machine vision detection.The workshop production quality online detection system comprises a multi-modal data acquisition and preprocessing module, product physical signals, process parameters and actual quality values are synchronously acquired and subjected to data cleaning, semantic alignment and standardization processing, and then the product physical signals, the process parameters and the actual quality values are obtained; generating a structured data block associated with the product information; a feature extraction and mixed vector generation module extracts physical information features and multi-modal data driving features and fuses the physical information features and the multi-modal data driving features into a mixed vector, and a network is trained to output a comprehensive quality index and a corresponding time sequence; and finally, calculating a quality toughness coefficient and a process fluctuation conduction coefficient through a quality field domain energy coupling decision module, defining compliance, consistency and risk energy fields, coupling to obtain a comprehensive decision value, and outputting four-level quality decisions of high quality, qualification, to-be-checked and rejection according to the value and field domain characteristics to guide production circulation so as to achieve the purpose of improving production efficiency. And the accuracy and efficiency of quality detection are effectively improved.

The invention discloses a multi-source information fusion distribution transformer state evaluation method and system, and the method comprises the steps: collecting multi-source data, and obtaining a state quantity data set through preprocessing; constructing an electromagnetic thermal coupling model based on the state quantity data set, and outputting space physical field distribution; constructing a causal chain through displacement gradient mutation detection based on space physics field distribution, and outputting coordinates of a fault intrinsic source point; extracting a state response parameter by positioning a fault point based on the coordinates of the fault intrinsic source point, and obtaining an equipment health index through a critical physical parameter; and obtaining a risk score of the distribution transformer according to the equipment health index, and generating a state assessment report through a multi-dimensional risk assessment algorithm. According to the method, the electromagnetic thermal full-coupling model is constructed, and the constitutive equation is fused by adopting the cross-field energy analysis method, so that the hidden defect detection rate and the service life prediction accuracy of the distribution transformer are improved, the service cycle of key power equipment is prolonged, and the operation and maintenance cost is reduced.

The present invention discloses a flat plate damage detection method and system based on the analysis of the singular components of the out-of-plane velocity field. The steps include: measuring the out-of-plane velocity field of the flat plate structure; selecting the time window to be analyzed according to the out-of-plane velocity field energy function; performing attenuation compensation on the out-of-plane velocity field within the selected time window; performing a TKEO (Teager-Kaiser energy operator) transform on the attenuated and compensated out-of-plane velocity field; calculating the energy map after the TKEO transform of the out-of-plane velocity field; and determining the damage location and size according to the singular peak positions in the energy map after the TKEO transform of the out-of-plane velocity field. The present invention can be used to analyze the out-of-plane velocity field of the flat plate structure, and then perform structural damage imaging. The present invention can be used in combination with advanced instruments such as a laser scanning vibrometer and is widely applied to the damage detection of flat plate structures.

The invention discloses a material conveying and drying integrated system based on field energy coupling and a control method, and belongs to the technical field of material drying and conveying. Comprising a flexible composite conveying belt, an electromagnetic-microwave composite heating module and an ORC power generation system, and the flexible composite conveying belt is formed by compounding a graphene base material layer and a piezoelectric ceramic surface layer; the memory alloy hinge is located in the graphene base material layer, the FBG sensor optical fiber is embedded into the neutral axis plane of the graphene base material layer, the water content of materials is reduced to be lower than 5% through the synergistic effect of an electromagnetic field and a microwave field and waste heat power generation, the comprehensive energy efficiency ratio of the system is larger than or equal to 2.0, the ORC power generation technology is combined, efficient material drying and energy recovery are achieved, and the energy efficiency of the system is improved. And the device is suitable for green conveying of high-water-content coal slime, copper concentrate and other scenes.

According to the laser generating device and the laser system, the image transmission device is introduced, the object image surface of the image transmission device is accurately overlapped with the two cavity reflectors of the resonant cavity, the important beneficial effects are achieved, the effective transmission distance of light waves between the two cavity reflectors is equivalently eliminated optically, and the laser generating device and the laser system have the advantages of being simple in structure and convenient to use. Therefore, the inherent diffraction effect and the mode selection capability of the resonant cavity are thoroughly inhibited; the direct result is that a large number of laser transverse modes with different orders are allowed to simultaneously meet oscillation conditions and start oscillation in a cavity, and light fields of the multiple transverse modes are combined into a large-mode-field output light beam with the spot size equivalent to the aperture of a gain medium after incoherent superposition. Moreover, the near-field energy distribution is converted from the conventional Gaussian distribution to super Gaussian distribution with a flat top and a steep edge.

The invention discloses a hybrid power generation system energy prediction method based on multi-field unified modeling, and belongs to the technical field of power system energy control, and the method comprises the steps: selecting system working parameters, and constructing constraint conditions; constructing dynamic working models of the power generation system, wherein the dynamic working models comprise a hydrogen fuel cell working model and a lithium battery dynamic model; deploying a WSN module to collect working parameters of key parts of the hybrid power generation system in real time, and establishing a standard data set by adopting a dynamic filtering algorithm; classifying the standard data set into a corresponding cluster by adopting a clustering space input algorithm; and establishing a fuzzy prediction model based on a four-layer neural network, extracting related data from the standard data set according to a membership function, taking the related data as input of the fuzzy prediction model, and obtaining an energy prediction value. According to the method, adaptive energy prediction is realized through updating iteration, the energy distribution efficiency is improved, and accurate prediction of multi-field energy in the hybrid power generation system can be realized.

The application relates to a satellite energy acquisition system based on space charged particle collection, belonging to the technical field of spacecraft power supply. The application aims at solving the problem that the discharge phenomenon of the space charged particles deposited on the surface of a satellite can cause physical damage to materials. The application comprises a collection capacitor used for capturing the space charged particles, forming a high-voltage electrostatic field through the accumulated charges of the space charged particles; an energy-taking conversion circuit used for converting the high-voltage electrostatic field energy stored in the collection capacitor into low-voltage electrostatic field energy and transferring the low-voltage electrostatic field energy to an energy storage capacitor; the energy storage capacitor is used for storing the low-voltage electrostatic field energy, setting a target electric field energy according to the working requirement of a rear-end load, and discharging after the target electric field energy is reached; and a switch voltage stabilizing circuit used for adjusting the discharging output voltage of the energy storage capacitor, realizing constant voltage power supply for the rear-end load. The application can reduce the charging and discharging fault risk of the surface of the satellite by collecting the particles radiated to the satellite and controllably transferring and utilizing the particles.

This invention discloses a method, apparatus, equipment, and medium for determining a vehicle's anti-knock design scheme. The scheme includes: acquiring simulated flow field energy data under vehicle underknock conditions; based on the simulated flow field energy data, performing decomposition analysis on the knock impact energy, and determining the quantitative relationship between key influencing factors of vehicle anti-knock and the vehicle's energy absorption capacity based on the analysis results; and pre-allocating the vehicle's energy according to the quantitative relationship to generate a target design scheme for vehicle anti-knock. This achieves beneficial effects such as improving the scientific nature of vehicle anti-knock design and increasing the efficiency of subsystem design.

The invention discloses an oil and gas well field distributed energy scheduling method, device and equipment and a storage medium. The method comprises the following steps: determining predicted electric quantity data corresponding to an energy storage system of each oil and gas well field in a scheduling area at a target moment, and screening a target scheduling well field from the oil and gas well fields based on the predicted electric quantity data; determining standard electric quantity data of the target scheduling well site, and calculating scheduling electric quantity data according to the predicted electric quantity data and the standard electric quantity data; and determining a target scheduling vehicle based on the scheduling electric quantity data, and controlling the target scheduling vehicle to move to the target scheduling well site to realize energy scheduling. According to the scheme, combined calculation of the predicted electric quantity data and the standard electric quantity data is introduced, dynamic recognition of well site energy is achieved, cross-site scheduling is completed based on flexible deployment of the mobile energy storage unit, and therefore the energy utilization efficiency of an oil and gas well site in the grid-connected and off-grid environment is improved, and the stability of overall energy supply of the well site is enhanced.

The present application relates to an ultrasonic assisted cladding component and a cladding device. When in use, a furnace heats a first cladding material so that the first cladding material is heated to a preset temperature range; a first moving mechanism drives a carrier to move to the interior of the furnace so that a workpiece is immersed in the first cladding material, and at the same time a second moving mechanism drives the ultrasonic component to move, so that an ultrasonic welding head abuts against the surface of the workpiece, so that the ultrasonic welding head can apply ultrasonic vibration to the surface of the workpiece, so that the sound field energy can be transmitted to the surface of the workpiece through the ultrasonic welding head, the ultrasonic energy loss is small, and the cladding area of ​​the workpiece is subjected to a strong cavitation effect, which is more suitable for the automatic cladding of the surface of difficult-to-wet materials, overcomes the pollution problem caused by conventional electroplating technology, and has high equipment production efficiency, good product consistency, and high cladding layer quality.

The application relates to the technical field of energy storage safety, and discloses a multi-scale multi-physical-field energy storage emergency space twin modeling method, which comprises the following steps: presetting macro low-dimensional and micro high-dimensional models in an edge computing device, measuring residual computing power, setting a concurrent threshold, calculating space-time gradient characteristics by using a macro model based on annular buffer data to mark a candidate region, calculating a thermodynamic urgency index, sorting the candidate region, and screening out an activated region, calling historical data to drive a micro model to perform super-real-time operation, completing internal state initialization, establishing a heterogeneous model physical boundary bidirectional coupling by using flux impedance matching, outputting a fault evolution prediction result, and generating a fixed-point emergency control instruction. By means of thermodynamic urgency scheduling and boundary coupling technology, the application solves the high-fidelity simulation problem under the condition of limited computing power on the edge side, and improves the prediction accuracy and response speed of the multi-scale multi-physical-field energy storage emergency space twin modeling.

The invention relates to the technical field of microfluid mixing, in particular to a microfluid mixing device based on a stepped interdigital structure and a using method of the microfluid mixing device, and mainly solves the technical problem that an existing microfluid mixing device based on an interdigital transducer is poor in mixing effect. The device comprises a piezoelectric substrate, a flexible substrate and a step-shaped interdigital transducer, a microchannel is formed in the lower surface of the flexible substrate, and the step-shaped interdigital transducer comprises a first bus bar, a second bus bar, a first interdigital electrode, a second interdigital electrode, a drainage strip and an electric connection part. The length of the second interdigital electrode of the stepped interdigital transducer is gradually increased along the flowing direction of the fluid, a gradient sound field can be formed, so that the energy utilization rate is improved, meanwhile, the stepped interdigital transducer is directly positioned below the micro-channel, the sound field energy can directly act on the fluid, the energy attenuation rate is relatively low, and the energy utilization rate is relatively high. Therefore, the device can greatly improve the mixing effect, so that the actual mixing requirement can be met.

A generator for generating processing pulses at the electrode gap (3) of a device for electrochemically machining workpieces (1), comprising a power supply device (7) and switching devices (9) for pulse-wise connection of the power supply device (7) to connecting cables (5, 6) that are led to the electrode gap (3), with a circuit (8, 9, 13, 15) for increasing the steepness of the edges (25, 27) of current pulses flowing through the electrode gap (3) by recuperating field energy stored in the connecting cables (5, 6) during the pulses, wherein the circuit (8, 9, 13, 15) is provided for recuperating field energy stored as a result of the inductance (10) of the connecting cables (5, 6) and for recuperating the field energy by charging a capacitor (13) by a current that the inductance (10) generates after the connecting cables (5, 6) have been separated from the power supply device (7) by the switching device (9). and the circuit (8,9,13,15) comprises a diode (8) preventing the discharge of the capacitor (13) via the power supply device (7), characterized in that the connecting cables (5, 6), the power supply device (7), the capacitor (13) and the diode (8) are connected in series in such a way that they are arranged on a common current path at least for the current flowing during the recuperation of the field energy stored in the connecting cables (5, 6).

The invention discloses an intelligent control method and system based on multi-modal feature fusion. The method comprises the following steps: acquiring multi-modal data; performing feature extraction; constructing a modal perceptual potential function, and calculating the perceptual potential of each modal; the perceptual potential is updated based on feedback adjustment of the standard product grade; generating an adjustment energy interference term between modes to obtain total interference modulation field energy; obtaining an energy space mapping result; and mapping an energy space mapping result to each controller variable dimension through integral mapping to obtain a control variable. The invention further discloses a nonferrous metal beneficiation intelligent control system based on multi-modal feature fusion. According to the method, a control system can obtain a sensing structure with more explanatory and dynamic weight adjustment capability, and the method has continuous optimization capability and is suitable for processing common unstable conditions of actual engineering such as ore grade fluctuation, medicament consumption change and water quality fluctuation.

The application discloses a binocular vision and laser radar-based bionic human eye target recognition system and method, which comprises the following steps: S1, collecting and registering synchronous monocular images and laser radar point clouds; S2, extracting image contours and point cloud attributes to generate feature maps and attribute sets; S3, jointly encoding to generate size-distance representations; S4, constructing an improved Ginzburg-Landau phase field energy model based on the representations and attribute sets, obtaining potential function parameters and anisotropy tensors; S5, introducing SE(2) sub-Riemann geodesic direction continuity constraints into a phase field gradient term to adjust the strength; S6, aligning and optimizing evolution of adjacent frame phase fields in time by using optical flow; S7, extracting zero isograms to generate contours and output parameters; S8, inputting the parameters and size-distance representations into a three-dimensional structure program generation module for matching and screening; S9, performing consistency checking and sorting to output a recognition result. The application fuses visual and point cloud features, and improves the recognition accuracy and stability in a complex scene.

An array antenna (10), comprising: a feed source layer (1), which comprises a feed network (11) having an input port (12) and a plurality of output ports (13); an energy re-allocation layer (2), which has a plurality of allocation regions, wherein the energy re-allocation layer (2) is used for re-allocating near-field energy at the output ports (13) in the plurality of allocation regions; and a radiation layer (3), which comprises a plurality of radiation units (31) corresponding to the plurality of output ports (13) on a one-to-one basis. In the embodiments of the present disclosure, the near-field energy at the output ports (13) is re-allocated in the plurality of allocation regions by means of the energy re-allocation layer (2), thereby ensuring that the distribution of the re-allocated near-field energy meets requirements; and then the re-allocated near-field energy at the output ports (13) is radiated by means of the radiation units (31) of the radiation layer (3), thereby ensuring the radiation directivity of the radiation units (31), and ensuring the radiation characteristics of the array antenna (10). (FIG. 1)

The invention discloses a construction site energy consumption intelligent monitoring method and system based on BIM and edge calculation, and relates to the field of building information modeling and Internet of Things fusion application. The method comprises the following steps: acquiring BIM model data and field energy consumption time sequence data through an acquisition terminal with edge computing capability, and generating an initial energy consumption data set; forming a feature data set through multi-scale time and space division; and generating an energy consumption trend prediction result based on space-time modeling, identifying a high energy consumption point, generating an optimization suggestion in combination with historical data, and pushing the optimization suggestion to a management terminal. According to the invention, space-time fusion of BIM structure information and energy consumption data is realized, and monitoring precision and positioning are improved; identifying regional energy consumption difference by a multi-scale feature extraction enhancement model; the energy consumption trend prediction capability is improved through LSTM modeling; the recognition accuracy of the high-energy consumption point is improved through threshold value and continuity analysis; energy-saving suggestions are generated based on the strategy template, a closed-loop process from prediction to optimization is constructed, and the energy efficiency management level of the construction site is improved.

The present invention provides a patch antenna system, which is characterized by comprising a first PCB board, a second PCB board and support columns; a copper foil is coated on the upper layer of the first PCB board, and a first reflection structure, a second reflection structure and a first strip structure are formed; the second PCB board is a double-sided copper-clad structure; the upper surface is copper-clad to form a rectangular first patch antenna, a second patch antenna and a second strip structure, and the lower surface is covered with a complete copper foil to form a ground structure of the antenna; the support columns are arranged at positions corresponding to the four corners of the first PCB board and the second PCB board, and the support columns support between the first PCB board and the second PCB board. Through the partial reflection principle, the reflected far-field energy and the coupled near-field energy are offset from each other, so as to achieve good isolation between the closely arranged patch antenna systems.

The invention belongs to the technical field of farmland irrigation, and particularly relates to a field energy-saving efficient irrigation system and an operation method thereof.The irrigation system comprises a water supply unit and an irrigation facility, the irrigation facility is connected with the purified water outlet end of the water supply unit through a water outlet pump, and the water supply unit comprises a water well and a reservoir; the inside of the reservoir is divided into a raw water area and a purified water area by a partition plate assembly, the raw water area is connected with the well by a water supply pump, water in the raw water area overflows into the purified water area along the top of the partition plate assembly, and the purified water area forms a purified water outlet end of the water supply unit and is connected with an irrigation facility by a water outlet pump. The reservoir is divided into the raw water area and the clean water area through the partition plate assembly, clean water enters the clean water area through overflow along the top of the partition plate assembly to be stored for standby application, and therefore a filter does not need to be additionally arranged, water pressure loss caused by filtering is avoided, it is guaranteed that water flows out of the near end and the far end of the irrigation facility evenly, and growth consistency of crops is guaranteed.

The utility model discloses a kind of electric energy quality DNV voltage distortion rate elimination stabilizer and sampling circuit, including load equipment and for the DVA voltage stabilizer on the load equipment, still including with the DVA voltage stabilizer and the load equipment electric connection A circuit, B circuit, C circuit and N circuit.The beneficial effect of the utility model is: through filter current transformer, voltage stabilizer current transformer and DVA voltage stabilizer, realize the process in the use of load equipment, inhibit load equipment dynamic and steady-state voltage drop and voltage variable, eliminate surge, eliminate voltage flicker, with good dynamic voltage stability capacity, output voltage reaches precision ±1% -5% adjustable, can effectively filter each harmonic, three-phase unbalance, improve power factor, improve power supply electric energy quality, and harmonic elimination stabilizer has ideal energy-saving effect, between 1-8% in different field energy-saving effect.

The invention belongs to the technical field of infrared / terahertz detection, provides a terahertz detector based on microcavity enhanced non-degenerate two-photon absorption, solves the problem that a traditional high-sensitivity terahertz detector needs ultralow-temperature refrigeration, and adopts the technical scheme that the input end of a polarization controller is connected with a pump laser used for generating pump light; the input end of the optical fiber taper is connected with the output end of a polarization controller for adjusting the polarization characteristic of the pump light; the surface of the echo wall mode microcavity is coated with a fluorescent material of quantum dot perovskite, and a terahertz signal to be detected is focused on the fluorescent material through a terahertz focusing lens used for gathering field energy; optically coupling the optical fiber taper and the echo wall mode microcavity; the input end of the optical filter is connected with the output end of the optical fiber taper, and the output end of the optical filter after the non-fluorescent wave band is filtered is connected with a photoelectric detector used for converting light field intensity information generated by fluorescent light waves into electric signals. Terahertz high-sensitivity detection at normal temperature becomes possible.

This invention relates to the field of water treatment technology, and particularly to a system and method for removing small-molecule organic matter based on field energy granulation and agglomeration. The system includes an initial mixing section and an electrostatic field enhancement section and a post-mixing section connected sequentially to the initial mixing section. Through the effects of initial mixing and electrostatic field enhancement, medium-sized polymers are first formed, which combine with small-molecule organic matter to form complexes, encapsulating the small-molecule polymers. Then, during post-mixing, coagulants are continuously added and adhere to the initial complexes, forming a coral reef-like surface with a higher zeta potential and a larger specific surface area. Each newly formed surface layer combines with pollutants and covers the previous layer, thereby encapsulating more small-molecule organic matter into the flocs and improving the removal rate of small-molecule organic matter. This solves the problem of low removal rates of small-molecule organic matter in existing coagulation processes, which cannot meet the requirements for wastewater recycling.

The invention discloses a visual detection method and device based on artificial intelligence, equipment and a medium. The method comprises the following steps: acquiring field energy data in a target scene; constructing a multi-modal physical field based on the field energy data; for the detection target in the target scene, generating an expected behavior spectrum of the detection target at the current moment based on the identity information of the detection target, the current task state and the multi-modal physical field parameters of the position of the detection target; acquiring a real-time behavior original vector of the detection target based on visual perception; substituting the real-time behavior original vector into a current multi-mode physical field to generate a real-time behavior field effect vector; and according to a coupling relationship between the real-time behavior field effect vector and the expected behavior spectrum, calculating and outputting a comprehensive risk entropy value of the detection target. According to the method and the device, two traditionally separated evaluation dimensions of safety and efficiency can be internally associated, so that coupling evaluation is realized, and a more comprehensive and refined evaluation basis is provided for a dynamic complex system.

A method for ablating tissue by applying at least one pulse train of pulsed-field energy. The method includes delivering a pulse train of energy having a predetermined frequency to cardiac tissue, the pulse train including at least 60 pulses, an inter-phase delay between 0 μs and 5 μs, an inter-pulse delay of at least 5 μs, and a pulse width of 5 μs.

The invention relates to the technical field of molecular sequencing, in particular to a single-molecule real-time sequencing method based on metamaterial enhancement, which specifically comprises the following steps: dividing the surface of a substrate into a plurality of local independent sub-arrays to obtain a sub-array basic periodic layer; an equivalent isolation strip is introduced into a sub-array gap region to form an equivalent isolation sub-array; accurately etching sequencing hole sites for the sub-array units, and establishing a local field energy fixed point area in the center of each hole site to obtain local registration holes; constructing a hole-by-hole independent signal output path, and carrying out curing treatment on the formed independent signal hole channel to obtain an enhanced hole channel structure; and establishing a stable mechanism between directional discharge and the cavity, and stably outputting an enhanced signal generated in a single molecule crossing process. The problems that in the prior art, the high field enhancement performance is maintained, meanwhile, mutual interference of resonance energy between holes cannot be effectively restrained, and stability and accuracy of large-scale parallel sequencing cannot be achieved are solved.

The present application relates to the technical field of unmanned aerial vehicle operation control, and particularly relates to a fish-light complementary unmanned aerial vehicle feeding strategy dynamic optimization method and system, aiming at the composite attribute of the fish-light complementary scene, the scheme couples the photovoltaic power compensation power margin, the disturbance power consumption and the total load of operation, constructs the field energy ratio as a unified quantitative index, realizes the collaborative judgment of multi-dimensional core parameters, can generate hierarchical control instructions based on the interval distribution of the energy ratio, dynamically adjusts the unmanned aerial vehicle flight and feeding operation behavior, fully utilizes the energy redundancy to improve the operation efficiency, can avoid operation risks when the energy is insufficient, adapts to the complex and changeable operation conditions of the fish-light complementary scene, and comprehensively improves the efficiency and operation stability of the feeding operation.

An array antenna (10), comprising: a feed source layer (1), which comprises a feed network (11) having an input port (12) and a plurality of output ports (13); an energy re-allocation layer (2), which has a plurality of allocation regions, wherein the energy re-allocation layer (2) is used for re-allocating near-field energy at the output ports (13) in the plurality of allocation regions; and a radiation layer (3), which comprises a plurality of radiation units (31) corresponding to the plurality of output ports (13) on a one-to-one basis. In the embodiments of the present disclosure, the near-field energy at the output ports (13) is re-allocated in the plurality of allocation regions by means of the energy re-allocation layer (2), thereby ensuring that the distribution of the re-allocated near-field energy meets requirements; and then the re-allocated near-field energy at the output ports (13) is radiated by means of the radiation units (31) of the radiation layer (3), thereby ensuring the radiation directivity of the radiation units (31), and ensuring the radiation characteristics of the array antenna (10). (FIG. 1)