670 results about "High radiation" patented technology

The invention relates to the technical field of nuclear power plant equipment inspection and data transmission management, and provides a nuclear power plant equipment inspection data transmission management method and system. According to an existing nuclear power plant equipment inspection system, reliable transmission and intelligent processing of data are difficult to achieve in complex high-radiation, high-humidity and strong-electromagnetic-interference environments, the data are prone to interference in the inspection process, and the fault detection precision is insufficient. The device state information is dynamically collected in real time through the multi-modal data collection technology, the sampling frequency is adjusted according to the environment change through the fuzzy logic control algorithm, and the timeliness and accuracy of data are improved. After data preprocessing, high-dimensional fusion and feature extraction of multi-modal data are realized through a Bayesian network and a deep neural network (DNN). The system realizes intelligent inspection and data transmission management of nuclear power plant equipment in a high-interference environment, has high reliability and real-time adaptability, and can be widely applied to an intelligent safety inspection system of a nuclear power plant.

The invention discloses a nuclear industrial robot body intelligent system based on a large model, which realizes autonomous sensing, decision making and execution of a robot in a nuclear industrial environment by integrating a sensing module, a learning model module, an execution module, a communication module and a security module. The sensing module adopts a multi-sensor fusion technology to collect environmental data such as temperature, radiation intensity and gas concentration in real time; the decision-making module dynamically generates a task execution strategy based on an open source large model base in combination with deep learning and reinforcement learning algorithms; the execution module completes complex tasks such as equipment maintenance, fault processing and nuclear waste carrying through a high-precision mechanical arm and a force feedback control technology; the communication module supports data interaction between the robot and a control center, and remote monitoring and emergency intervention are achieved; the safety module monitors the state of the robot in real time, multiple safety protection mechanisms are provided, and stable operation of the robot in the high-radiation environment is ensured. According to the invention, the operation efficiency and safety of nuclear industry facilities are obviously improved.

The invention relates to the technical field of medical image processing, in particular to an artificial intelligence assisted intraoperative imaging method, which comprises the following steps: S1, preprocessing a multi-modal medical image, segmenting and recognizing an anatomical structure by a deep learning model according to the preprocessed image, measuring anatomical parameters based on a segmentation and recognition result, and generating an operation planning path by artificial intelligence according to the anatomical parameters; s2, collecting a C-shaped arm perspective image stream in real time, dynamically tracking space coordinates of a surgical instrument, comparing the position of the instrument with a surgical planned path, calculating offset, and when the offset is greater than an offset threshold, outputting correction guidance through an AR superposition layer; and S3, monitoring an image quality index in real time, dynamically adjusting exposure parameters through a reinforcement learning model, and when a metal implant is detected, switching a dual-energy-spectrum mode and executing an artifact suppression algorithm. According to the method, preoperative precise planning and intraoperative assistance are realized through artificial intelligence, the problems of poor image quality and high radiation risk are solved through technical optimization, and the method has important clinical application value.

The invention discloses a passive radiation refrigeration coating and a preparation method thereof, and relates to the technical field of industrial coatings. Comprising a fluoroacrylate emulsion, hollow glass beads, nano titanium dioxide, flaky silicon dioxide aerogel powder, polytetrafluoroethylene micro powder, hydroxyl-terminated polydimethylsiloxane, a hydroxyl acrylic acid modified silane coupling agent, a super-hydrophobic modified fluorosilicone surface additive, nano cerium oxide, aluminum fluoride doped zinc oxide infrared enhancement powder and deionized water. The paint is prepared on the basis of the formula. According to the invention, a multi-scale spectrum regulation and control and surface self-cleaning system is constructed cooperatively, so that the synergistic effect of high reflection of a sunlight region and high emission of a middle infrared region is realized. The coating can maintain continuous passive refrigeration in a day and night period, the surface of the coating has self-cleaning capability and excellent ultraviolet aging resistance, and high reflectivity and high radiation emissivity can be maintained for a long time in a complex outdoor environment, so that the thermal management efficiency of buildings and equipment is remarkably improved.

The invention particularly relates to a discharge machining simulation control system for a nuclear power plant in a high-radiation boron-containing water environment, which belongs to the technical field of special maintenance in the high-radiation environment of the nuclear power plant and comprises a man-machine interaction system, a discharge machining control system and subsystems. Each subsystem comprises a pulse power supply system, a servo power system, a washing system, a purification system, a grounding system and a tool system; the man-machine interaction system is used for man-machine interaction and displaying the discharge machining implementation data fed back by the subsystems; the electric discharge machining control system is used for generating an electric discharge machining instruction according to the man-machine interaction information and controlling the subsystems to cooperate to perform electric discharge machining work; and each subsystem is used for implementing electric discharge machining work according to the electric discharge machining instruction and feeding back electric discharge machining implementation data. According to the invention, simulation control of discharge processing in the high-radiation boron-containing water environment of the nuclear power plant is realized.

The invention belongs to the technical field of communication, and particularly relates to an ultra-wideband miniaturized Vivaldi antenna. The antenna comprises a dielectric substrate, wherein the upper surface of the dielectric substrate comprises a main body Vivaldi antenna, four resistors, two rectangular metal patches and an artificial surface plasma, wherein the main body Vivaldi antenna is provided with an exponential gradually-changed slot; a feed network is arranged on the lower surface and comprises six impedance conversion microstrip transmission lines, a fan-shaped transmission line and a circular groove; the main body antenna and the dielectric substrate are placed in a centered alignment manner, the four resistors are placed at the tail end of the main body antenna, and the rear sides of the resistors are connected with the two rectangular patches; the artificial surface plasma is placed in the main body antenna gradual change gap; and the multi-section impedance transformer and the microstrip-to-slot line structure of the feed network are aligned with the circular slot of the main body antenna. According to the invention, the ultra wide band, miniaturization and high radiation gain are realized by designing the main body antenna, slotting the edge, loading the resistor, carrying out the artificial surface plasma and the like. The working frequency band of the antenna ranges from 0.2 GHz to 18 GHz, and the antenna has the characteristic of miniaturization.

The invention discloses a radiation source individual identification method, system and device based on space-time information separation, and relates to the field of radiation source individual identification, and the method comprises the steps: obtaining a to-be-detected time domain electromagnetic signal; inputting a to-be-detected time domain electromagnetic signal into the trained radiation source individual identification model to obtain a radiation source individual, and completing the identification of the radiation source individual; the radiation source individual identification model comprises a signal preprocessing and feature enhancement module, a multi-scale spatial feature coding module, a time sequence dynamic modeling module and a space-time cross attention fusion module which are connected in sequence; a loss function for training of the radiation source individual identification model adds triple loss on the basis of standard cross entropy loss. According to the invention, the accuracy and the recognition efficiency of radiation source individual recognition can be improved.

The invention provides a scoliosis screening method and system, and relates to the technical field of medical artificial intelligence, human body image data on a low-light detection garment worn by a patient is collected, the human body image data is preprocessed and sent to an SSD module, the SSD module is used for predicting the position of a low-light light source, and a scoliosis detection result is obtained. The key point detection module is used for detecting human body scoliosis, high-precision detection frame information in the detection result is used as a basis, a human body posture result predicted by the key point detection module is restrained and corrected, then human body scoliosis grading is performed, a human body scoliosis detection result is displayed and fed back to a patient, high-precision detection of scoliosis is achieved, and the system has the advantages of high efficiency, non-invasiveness and light weight; the scoliosis early detection rate and grading intervention precision can be remarkably improved, and the problems that traditional medical diagnosis is low in efficiency, large in radiation risk, insufficient in precision and difficult to operate on embedded equipment with limited resources are solved.

The invention discloses a linear polarization scattering reconfigurable array antenna, which belongs to the technical field of antenna manufacturing and comprises an antenna unit, an extension socket, a transmission type phase shifter and an inductor. The antenna unit comprises a radiation patch, a first dielectric substrate, a metal via hole, a metal patch, a second dielectric substrate, a perforated metal floor, a third dielectric substrate, a feed metal column and a radio frequency coaxial connector, the radio frequency coaxial connector is connected with the radiation patch through the feed metal column, and a variable capacitance diode and a capacitor are arranged on the transmission type phase shifter. The transmission type phase shifter is connected with the radiation patch through the feed metal column, the variable capacitance diode is connected with the punching metal floor, the bottom of the third dielectric substrate is provided with a direct current bias line, the direct current bias line is connected with the transmission type phase shifter through the inductor, and the transmission type phase shifter is connected with the radiation patch through the feed metal column. According to the invention, flexible regulation and control of antenna scattering beams can be realized, and the antenna has the characteristics of flexible control, fast response speed and high radiation efficiency.

The utility model provides a dual-frequency common-aperture antenna structure and an antenna array, and relates to the technical field of microwave communication. Through the combination of the high-frequency side-fire structure and the low-frequency end-fire structure, the problem of high and low-frequency crosstalk is effectively solved, a filtering branch knot or a filter does not need to be additionally arranged, and it is ensured that the corresponding common-caliber antenna structure has the broadband characteristic and high radiation efficiency; meanwhile, the low-frequency end-fire structure is slotted on the high-frequency side-fire structure adopting a multilayer circuit board lamination design, so that the low-frequency end-fire structure can realize an accurate alignment effect and an efficient assembly welding effect on the high-frequency side-fire structure based on a slot position; the assembling efficiency, the product qualification rate, the antenna integration degree and the product reliability of the common-caliber antenna structure are further improved.

The invention belongs to the field of electric vehicle detection, and provides an electric vehicle electromagnetic radiation monitoring method and system, and the method comprises the steps: arranging electromagnetic radiation sensing nodes at a plurality of preset positions inside and outside an electric vehicle; establishing a multi-source input electromagnetic cognitive modeling system, and generating an atlas model for describing an electromagnetic radiation distribution evolution rule; constructing a coupling model among a plurality of electromagnetic source modules in the electric vehicle in the electromagnetic cognitive modeling system, and introducing an induced risk score as a correction factor into the atlas model; on the basis of the map model, predicting a high-radiation area possibly appearing under the current working condition of the electric vehicle, and determining the dynamic sampling priority of each sensing node; according to the sampling priority of each sensing node and a local real-time monitoring result, the sampling frequency is autonomously adjusted, and local enhanced sampling of a predicted high-risk area is realized through an inter-node cooperation mechanism.

The invention discloses a self-climbing module of a specialized robot. The self-climbing module comprises an irradiation-resistant shell, an adsorption device and a rope climbing device, a propeller device is mounted on the outer side wall of the radiation-resistant shell; the adsorption device comprises a gas control system and a suction cup assembly, the suction cup assembly is installed on the outer side wall, away from the propeller device, of the irradiation-resistant shell, the gas control system is installed in the irradiation-resistant shell, and the gas control system communicates with the suction cup assembly; the rope climbing device comprises a driving assembly, a positioning guide wheel set and a rope coiling winch. The driving assembly is installed in the irradiation-resistant shell, the rope coiling winch is installed at the output end of the driving assembly, and the positioning guide wheel set is rotationally connected into the irradiation-resistant shell. Wherein a traction rope is wound on the rope coiling winch and the positioning guide wheel group. The robot can realize high-precision climbing, positioning and hovering capabilities, can be stably adsorbed on the surface of a wall body in a high-radiation and high-risk environment, and provides efficient and reliable technical support for wall body repairing operation in a nuclear environment.

The invention discloses an inclination angle adjusting method and device of a flexible photovoltaic support, equipment and a storage medium, and relates to the technical field of photovoltaics, and the method utilizes the characteristic that the inclination angle of a photovoltaic panel of the flexible photovoltaic support can be adjusted by winding and unwinding an upper string cable and a lower string cable. By analyzing the linear relationship between the lengths of the upper and lower string cables of the flexible photovoltaic bracket and the inclination angle of the photovoltaic panel, the relationship between the retraction length change behavior and the inclination angle change behavior is determined, and a quantitative basis is provided for subsequently adjusting the inclination angle according to the solar radiation distribution. A solar high-radiation habit area is defined according to extreme value distribution in solar radiation distribution, and the inclination angle is adjusted according to the distance between the photovoltaic panel and the center of the solar high-radiation habit area, so that the farther the photovoltaic panel is away from the radiation center, the larger the inclination angle is, and the panel surface of the photovoltaic panel can face the radiation center in a larger area. Therefore, the light receiving efficiency is improved. The invention provides an inclination angle adjusting mode which is unique in standard, can be quantified and is relatively accurate.

The present invention discloses a liquid-cooled radiator structure based on a diamond microchannel, which includes a diamond substrate and a diamond epitaxial layer stacked. A plurality of diamond microchannels with a certain interval are arranged in the diamond substrate, and the diamond epitaxial layer is used to bond the object to be cooled on its surface. The present invention also discloses a manufacturing method of the radiator, which solves the problem that traditional heat sinks cannot be applied in extreme environments such as high temperature, high radiation, and strong corrosion.

The invention relates to the technical field of dual circularly polarized antennas, and discloses a dual circularly polarized antenna, a sub-array, a one-dimensional phased array and a planar phased array. The antenna comprises a direct dual-circularly-polarized radiation structure layer, a circularly-polarized electromagnetic metasurface coupling layer and a circularly-polarized electromagnetic metasurface parasitic layer which are sequentially stacked from bottom to top. The broadband wide-angle scanning dual-circularly polarized phased array provided by the invention has the advantages of low cost, low profile, high radiation efficiency, broadband, dual-circularly polarized wide-angle beam scanning and the like, and is suitable for advanced satellite internet communication and navigation application.

The invention discloses a spaceflight electromagnetic relay failure early warning and diagnosis method based on multi-physics field coupling, relates to the technical field of spacecraft electrical system reliability monitoring, and is used for solving the problems of lack of comprehensive consideration of multi-physics field coupling characteristics under spaceflight special working conditions and low interference resistance to complex environments. The method comprises the following steps: monitoring a network state, obtaining real-time data, calculating an optimal transmission strategy by using an intelligent regulation and control model, dynamically adjusting a coding mode, adaptively adjusting a transmission rate, further ensuring data integrity through an error code detection and error correction mechanism, and adjusting transmission parameters according to a real-time network condition in combination with packet optimization and flow priority management. Effective recognition and early warning of typical failure modes such as contact adhesion and coil burnout are achieved, and the failure early warning accuracy and diagnosis efficiency of the spaceflight electromagnetic relay in complex environments such as high radiation, extreme temperature and strong vibration are improved.

The invention relates to a multi-threshold 16T anti-radiation SRAM (Static Random Access Memory) storage unit circuit and a memory, a storage module in the circuit is of a bistable structure formed by two cross-coupled phase inverters formed by PMOS (P-channel Metal Oxide Semiconductor) transistors, and two storage nodes are formed; the redundant storage module adopts NMOS (N-channel metal oxide semiconductor) transistors to form a bistable structure, and two redundant nodes are formed to serve as redundant backups of the storage module; when the read-write operation control module reads or writes data, a word line is activated, and the data is read from the storage node and the redundant node or written into the storage node and the redundant node through the switched-on transistor; and the bit line driving module is used for driving the bit lines during reading and writing operations. According to the circuit, by introducing redundant nodes and a feedback mechanism, efficient resistance and recovery of single-particle and multi-node upset are achieved, the anti-radiation capacity is improved, the static noise margin, the read-write speed and the power consumption performance are optimized, and the circuit is suitable for the reliable data storage requirement in the high-radiation environment.

The invention relates to the technical field of image processing, and discloses a plastic package material defect detection method and system in a radiation environment based on machine vision. The method comprises the following steps: acquiring an anti-radiation image in a gamma-ray environment through a lead-tungsten alloy shielding high-radiation tolerance type image sensor, and performing adaptive contrast enhancement. Defect features including microcracks, bubbles, deformation and chromatic aberration are extracted by using dual-tree complex wavelet transform and an HSV color space; and inputting the multi-dimensional features into an AR-DCNN network to carry out multi-task learning, identifying defect types and carrying out scoring. Based on Weibull distribution and a random forest algorithm, the radiation-resistant life of the plastic package material is predicted, and a material degradation curve and safety threshold early warning are obtained. According to the invention, standardized processing of the radiation damage quantitative index is realized, and the prediction accuracy is effectively improved.

The invention relates to the related technical field of radiation intensity testing, in particular to a radiation intensity testing method for radioactivity protection, and the method comprises the steps: collecting data, carrying out the two-dimensional fusion, and setting a dynamic radiation pattern; correcting space distortion, and identifying and marking hot spot coordinates; and generating a protection instruction according to a protection optimization engine, updating a weight coefficient, and establishing a mapping table and an early warning model to perform efficiency verification, thereby solving the technical problems that noise and space distortion are liable to occur in radiation detection due to environmental electromagnetic interference, the accuracy and effectiveness of radiation protection are limited, and the radioactivity protection efficiency is further influenced. The method achieves the correction of the space distortion of the dynamic radiation intensity distribution diagram, adapts to a complex and changeable radioactive environment, improves the pertinence and effectiveness of radiation protection measures, guarantees the accuracy of a radiation detection result, reduces the measurement error caused by environmental electromagnetic interference, verifies and optimizes the radioactive protection efficiency, and improves the accuracy of the radiation detection result. And the overall efficiency of radioactive protection is improved.

The invention relates to a millimeter wave high-radiation-efficiency array antenna technology, in particular to a millimeter wave high-radiation-efficiency array antenna which sequentially comprises a radiation slot layer, a resonant coupling layer and a waveguide feed layer from top to bottom, the array antenna is composed of 16 * 16 antenna sub-arrays, and each antenna sub-array comprises 2 * 2 radiation slot units. The scale of the array antenna is 32 * 32 radiation slot units. The antenna array is compact in structure, wide in broadband and high in radiation efficiency.

The invention discloses a multi-platform multi-label radiation source individual identification method, system and device, a medium and a product, and relates to the technical field of target identification, and the method comprises the steps: building a label based on a radar platform and the number data of a target; obtaining a joint embedding vector based on the label and constructing a symmetric normalized adjacent matrix; acquiring sample radar data; using a deep residual network to obtain sample depth residual signal features based on the sample radar data; efficient features are obtained based on the sample depth residual signal features and the joint embedding vector; adopting a GCN network to obtain a classifier based on the efficient features and the symmetric normalized adjacency matrix; radiation source signal data in a set area are acquired, and depth residual signal features are obtained by using a depth residual network; obtaining a score vector based on the deep residual signal features and a classifier; and obtaining a radar platform number and a target number of the radiation source signal data based on the fractional vector. According to the invention, the identification speed and accuracy of the radiation source signal data can be improved.

The nuclear power station pool foreign matter collecting and transferring device comprises a shielding container and a collecting basket, the shielding container comprises a first containing cavity and is provided with shielding materials capable of shielding rays, and the collecting basket comprises a second containing cavity and can be arranged in the first containing cavity; and drainage structures are arranged on the collecting basket and the shielding container. According to the nuclear power station pool foreign matter collecting and transferring device, after the foreign matter is collected, the foreign matter does not need to be transferred underwater again, the collecting basket can be placed in the shielding container or the foreign matter is directly placed in the shielding container, and the shielding container can shield the foreign matter with high radiation dose; radiation of foreign matters to human bodies and the environment can be reduced, the operation risk of personnel is reduced, and use is simpler and more convenient; the shielding container and the collecting basket can be used in cooperation and can also be used independently, and on-site flexible use is facilitated; the arrangement of the drainage structure facilitates the discharge of radioactive residual water in the foreign matters, so as to reduce the foreign matter collection and transfer weight.

The invention provides a low-profile dual-frequency dual-polarization common-caliber antenna based on a hollow metasurface, relates to the technical field of microwave and millimeter wave communication, and solves the technical problem that no common-caliber antenna capable of simultaneously realizing low profile, multi-frequency band, multi-polarization and high radiation performance exists in the prior art. According to the technical scheme, a hollowed-out metasurface is adopted as a microwave antenna radiation body, the unit structure is a square ring, and a hollowed-out area can contain a millimeter wave antenna unit. Meanwhile, the hollowed-out effect of the microwave metasurface can prolong the current path on the unit and reduce the resonant frequency, which is equivalent to the miniaturization of the antenna and meets the requirements of the terminal. The center frequency of the microwave antenna is set to be 4.9 GHz, and the space between the metasurface units is 0.58 lambda H, so that a millimeter wave array can realize a phase control function.

The invention belongs to the technical field of maintenance illumination in a high-radiation environment of a nuclear power station, aims to solve the problems that illumination in the underwater environment under high radiation is insufficient and a traditional underwater lamp is inconvenient to use flexibly due to the too large size, and discloses a portable illumination device for maintenance illumination in the high-radiation environment of the nuclear power station. Comprising a strip-shaped floodlight assembly, a column-shaped floodlight assembly or a round floodlight assembly which are installed on a long-rod connecting rod, an LED lamp is arranged in a main body frame of the strip-shaped floodlight assembly, a floodlight reflecting tile and the LED lamp are correspondingly arranged, the column-shaped floodlight assembly is provided with a floodlight cavity and a front cover, and floodlight thermoswitch pressing plates are installed in the floodlight cavity and the front cover. An LED lamp is installed on the floodlight thermoswitch pressing plate, an LED lamp is arranged in a circular cavity of the circular spotlight assembly, and a spotlight reflecting tile is installed in front of the LED lamp. According to the invention, portable and effective illumination can be provided for the underwater operation environment in the maintenance activity of the nuclear power station in the high-radiation environment.

Disclosed is an ultrasonic sensor protection tube device. The ultrasonic sensor protection tube device includes an external protection tube that forms an exterior of the ultrasonic sensor protection tube device, an internal protection tube disposed within the external protection tube by being spaced apart from the external protection tube, an ultrasonic sensor disposed within the internal protection tube, and an ultrasonic sensor protection block disposed under the external protection tube, the internal protection tube, and the ultrasonic sensor and configured to induce ultrasonic focusing. The ultrasonic sensor protection tube device can protect the ultrasonic sensor in an extreme invisible environment under a high temperature and high radiation, and can also improve the precision of detection of a physical deformation or flaw in a structural material.

The present application relates to the technical field of antennas, and provides a circularly polarized array antenna and a wireless communication device. The array antenna comprises: a first substrate, any antenna unit symmetrically arranged on the first substrate being a circularly polarized antenna unit; a second substrate, at least one first coupling gap being formed in any resonant cavity symmetrically arranged on the second substrate, and any first coupling gap being overlapped with a first target projection corresponding thereto; and a third substrate provided with an H-shaped junction and a port line, the H-shaped junction and the port line being communicated with each other, at least one second coupling gap being formed in the H-shaped junction, and any second target projection being located in the resonant cavity corresponding thereto. The circularly polarized array antenna provided by the present application can obtain relatively good batch consistency, has an extremely stable radiation pattern, good polarization purity and high radiation efficiency, and can achieve high-stability connection and high-efficiency transmission of mobile communications in millimeter wave bands.

The invention discloses a high-power organic light emitting diode. The organic light-emitting material suitable for a high-power organic light-emitting diode is obtained by testing the triplet exciton lifetime of the organic light-emitting material. The high-power organic light-emitting diode comprises an optical radiation layer, the optical radiation layer comprises an organic light-emitting material, and the triplet exciton lifetime of the organic light-emitting material is smaller than or equal to 1 microsecond. The high-power organic light-emitting diode provided by the invention has an extremely low efficiency roll-off effect, and when the external quantum efficiency is reduced to half of the maximum value, the driving current density of the device is greater than 3 amperes / cm < 2 >; the laser has the characteristics of high radiation exitance (greater than 15 milliwatts / cm < 2 >), continuously adjustable spectrum, simple structure, long service life, capability of solution processing, capability of large-area processing and the like.

The present invention provides a dielectric-free packaged phased array antenna with wide-angle scanning, which belongs to the technical field of packaged antennas. The packaged phased array antenna is composed of antenna modules of different sizes, which meet the requirements of expanding the working bandwidth of the phased array antenna in the millimeter wave band, increasing the scanning range and improving the process reliability. The antenna module is composed of multiple antenna units, and the antenna unit adopts a double-slit to expand the bandwidth; the "air + dielectric" back cavity reduces the unit size to increase the scanning range, and the discretized isolation metal columns improve the reliability and stability of the process. The dielectric-free wide-angle scanning packaged phased array antenna proposed by the present invention achieves high radiation efficiency in the millimeter wave band, and at the same time has the advantages of broadband, large angle and high reliability.

The invention provides an under-water discharge machining system and method for a radiation environment. The under-water discharge machining system comprises a pulse power supply control system, an electric spark machining head device and a servo control system. The pulse power supply control system comprises a power supply control box, a rectifier and a power amplifier which are electrically connected in sequence. And the power amplifier is electrically connected with the servo control system and the electric spark machining head device. The electric spark machining head device is provided with a feedback signal wiring connected to the servo control system. The pulse power supply control system is matched with the servo control system to drive the electric discharge machining head device to guarantee the process of the workpiece to be machined, so that the problem that conventional electric discharge machining equipment cannot be used in the high-radiation and boron-containing water environment is solved.

The invention discloses a four-unit circularly polarized antenna array based on decoupling network decoupling, which is characterized in that a grounding plate (1) is arranged between a first dielectric plate (2) and a second dielectric plate (3), four antenna patches (4) are arranged on the upper surface of the first dielectric plate (2), a decoupling network is arranged on the lower surface of the second dielectric plate (3), and metal copper columns (5) are connected with the antenna patches (4) and the decoupling network. The decoupling network has eight ports and comprises four sections of phase shift networks and four 4T-shaped structures, and the phase shift networks and the 4T-shaped structures are arranged in a bending and folding manner through microstrip lines; one end of each of the four phase shift networks is connected with a metal copper column (5), the four T-shaped structures are respectively connected with the other ends of the two adjacent phase shift networks, and the decoupling network does not change the plane area of the antenna array, so that the miniaturization of the antenna structure is ensured; compared with an existing decoupling network, the decoupling network is simple in structure, the decoupling effect is guaranteed, meanwhile, the radiation efficiency is high, the circular polarization performance is not damaged, and the design of a high-performance circular polarization antenna array can be achieved.