110 results about "Interference protection" patented technology

The invention discloses a water quality detection system for hydraulic engineering and a monitoring method, and belongs to the technical field of water quality monitoring. The system is composed of a distributed sensor array, an edge calculation data acquisition module, a LoRa wireless communication module, a cloud analysis platform and an early warning execution terminal. The distributed sensor array adopts an anti-interference protective shell and a self-adaptive calibration algorithm. The monitoring method comprises the steps that water quality data are collected in real time and transmitted through a LoRa wireless network, edge nodes conduct data cleaning and abnormal value correction, a cloud analysis platform constructs a water quality dynamic model through a multi-source information fusion algorithm, and the pollutant diffusion trend is predicted in combination with deep learning. When the parameters exceed the standard, a grading early warning mechanism is triggered, regulation and control suggestions are synchronously generated, and the water treatment equipment is linked. All-weather continuous monitoring of the water quality of the water conservancy project is achieved, the problems that a traditional method is high in hysteresis quality and poor in reliability are solved, and the water quality abnormal response speed and the comprehensive treatment efficiency are remarkably improved.

The invention relates to the related technical field of dust detection, and provides a mining induced charge and light scattering fusion dust detection device and method.The dust detection device comprises a workbench, a sampling assembly and a detection assembly, and the sampling assembly comprises a sampling air pump, a conical airflow homogenizer and a closed sampling cavity; the detection assembly comprises an annular sliding rail, a light scattering detection module and an electrostatic induction detection module; the dust detection method comprises the following steps: S1, device initialization and zero calibration; s2, sampling preparation of dust-containing airflow; s3, dual-module synchronous signal acquisition; s4, data processing and temperature and humidity compensation; s5, carrying out anti-interference protection assembly; and S6, data fusion and result output. S7, device cleaning and standby; through cooperative work of the double detection modules, dust detection signals in different concentration intervals are accurately captured, wide-range coverage from low concentration to high concentration is achieved, and synchronous monitoring of dust concentration and particle size characteristics is achieved.

The invention relates to the technical field of energy consumption control, and discloses a computing power equipment energy consumption optimization self-adaptive control method and system and a program product, and the method comprises the steps: obtaining an initial operation environment parameter set of computing power equipment; based on the initial operation environment parameter set, calculating through a data fusion algorithm to obtain a target environment evaluation value; based on the initial operation environment parameter set and the target environment evaluation value, determining a temperature control mode and an anti-interference protection mode of the computing power equipment; controlling a temperature adjusting device to adjust the temperature of the computing power equipment by using the temperature control mode to obtain a temperature adjusting result of the computing power equipment; an anti-interference protection mode is utilized to control the protection device to adjust external disturbance of the computing power equipment, and an interference adjustment result of the computing power equipment is obtained; and controlling the energy consumption and redundancy management module to adjust the energy consumption and redundancy of the computing power equipment by using the temperature adjustment result and the interference adjustment result to obtain an energy consumption optimization self-adaptive control result of the computing power equipment, thereby realizing self-adaptive energy consumption optimization.

The invention discloses a triode array reliability test method and a test circuit thereof, and belongs to the technical field of transistor test. The test method comprises a triode working point confirmation method, a reliability test power confirmation method, a reliability test circuit setting method, a reliability test circuit state monitoring method and a reliability test circuit anti-interference protection method. The test circuit comprises an NPN triode, a B pole voltage reference circuit, a B pole / voltage source constant current bias circuit, a B pole reverse breakdown prevention protection circuit, an E pole constant current bias circuit, an open circuit / poor contact display circuit, a short circuit display circuit and an anti-interference protection circuit. The problems that in the prior art, whether the aging power of the triodes reaches the standard or not cannot be judged, open-circuit or short-circuit triodes cannot be screened out in time, the total aging current is large when batch products are aged under the same power source, and the direct-current aging power of the products fluctuates due to external noise interference or crosstalk between the products are solved. The method is widely applied to reliability test technologies of transistors and transistor arrays.

The present application relates to a kind of arch trolley and its arm frame anti-interference control method, scheme is through judging the angle difference of pitch direction between any two arm frames, in the case where the angle difference of pitch direction between two arm frames is less than set angle, when one of the arm frames reaches the interference region relative to another arm frame, the movement of the arm frame is limited;The interference region is, when one of the arm frames is rotated to another arm frame direction, the region after reaching the critical position where the interference between two arm frames occurs.The scheme of the present application makes the arm frame limit control more flexible, easy to adjust, can realize the dynamic limit of arm frame anti-interference between arm frames during arm frame operation, realizes the anti-interference protection during the use of arm frame, effectively improves the safety and support efficiency of tunnel construction, and provides safety guarantee for the intelligent control such as remote control and remote control of arch trolley.

The anti-interference unmanned aerial vehicle electricity testing device comprises an unmanned aerial vehicle flight platform, the output end of the unmanned aerial vehicle flight platform is electrically connected with an electricity testing device, the output end of the left side of the electricity testing device is bidirectionally and electrically connected with a display module, and the output end of the bottom of the electricity testing device is bidirectionally and electrically connected with a starting power supply. The output end of the left side of the starting power supply is bidirectionally and electrically connected with a remote control module, the output end of the bottom of the starting power supply is bidirectionally and electrically connected with a central processing unit, the output end of the bottom of the central processing unit is bidirectionally and electrically connected with a data processing module, and the output end of the bottom of the data processing module is bidirectionally and electrically connected with an anti-interference protection unit. According to the invention, the anti-interference protection function of the unmanned aerial vehicle electricity testing device is added, so that the unmanned aerial vehicle electricity testing device has the effects of resisting interference and improving the working performance of the unmanned aerial vehicle electricity testing device, and the unmanned aerial vehicle electricity testing device is prevented from being easily interfered by external signals, electromagnetism and the like during working.

The invention provides a method and system for ionospheric scintillation interference protection in meteorological satellite ground data reception, and relates to the technical field of meteorological satellites, and the method comprises the steps: carrying out the real-time correlation judgment of the pitch angle and azimuth angle data of a satellite receiving station antenna and the pitch angle and azimuth angle data of a matched ionospheric scintillation index; generating different levels of risk early warning information by integrating the correlation between the pitch angle and the azimuth angle of the satellite receiving station antenna and the ionospheric scintillation index risk; based on the risk early warning information, intelligent decision making is carried out; according to the intelligent decision, the ionospheric scintillation risk index is intelligently adjusted to identify the inspection period; and in the intelligent protection working state, the satellite ground station is intelligently commanded and dispatched to carry out ionospheric scintillation protection. According to the invention, the reliability and anti-interference capability of satellite-ground communication can be improved.

The invention provides a cognitive anti-interference method for hierarchical linkage of an unmanned cluster, relates to the technical field of measurement and control communication, and solves the problem of limitation of the unmanned cluster due to high interference intensity and high threat interference level. In the method, according to an interference cognition evaluation result of the unmanned cluster, a three-level cognition anti-interference strategy is adopted to complete efficient protection of external electromagnetic interference signals, so that a measurement and control link of the unmanned cluster returns to normal; in the three-level cognitive anti-interference strategy, the in-terminal passive suppression strategy independently executes passive interference suppression by the interior of each terminal, the inter-terminal autonomous protection strategy cooperatively executes active interference avoidance by all terminals in the unmanned cluster, and the station-terminal combined protection strategy performs data linkage by the measurement and control station and the unmanned cluster; and performing cognitive strong interference protection processing based on a decision result of the measurement and control station. According to the method, the characteristics of the unmanned cluster are combined, the interference perception and cognition ability of the unmanned cluster is enhanced, and the anti-interference ability of the unmanned cluster in a severe electromagnetic environment is improved.

The invention belongs to the technical field of radar interference protection, and particularly discloses a radar main lobe interference cancellation system and method based on situation awareness, and the system comprises a data collection module which is used for collecting an echo signal of a receiving link; the data preprocessing module is used for carrying out data preprocessing on the echo signals so as to construct a data set for interference sensing; the interference sensing module is used for performing time sequence sensing on the echo signals based on a trained online sensing model to obtain time sequence information of the echo signals; the online sensing model is obtained based on data set training; the weight decision module is used for selecting a weight state according to the time sequence information of the echo signal; and the interference cancellation module is used for cancelling main lobe interference of the main channel echo signal by using the sampling channel echo signal, performing judgment in combination with a weight state, and reserving a useful signal in the echo signal. According to the invention, main lobe interference can be suppressed, and meanwhile, the probability of deleting useful signals by mistake is remarkably reduced.

The application belongs to the technical field of satellite communication interference protection, and specifically discloses an interference cancellation device and method for a Ka and Ku frequency band multi-mode satellite communication ground station, wherein the device comprises: a sampling antenna module, which is used for collecting Ku / Ka frequency band sampling signals from space; a radio frequency receiving module, which is used for selecting the polarization direction of the sampling signals based on the polarization mode of the satellite communication antenna and converting the sampling signals into sampling intermediate frequency signals; a sampling signal selection module, which is used for dividing the sampling intermediate frequency signals into sub-signals and selecting different frequency band sub-signals based on the working frequency band of the satellite communication terminal; and a signal processing module, which is used for obtaining interference cancellation output signals free of interference by performing interference cancellation on the fth satellite communication signal through an adaptive filtering algorithm based on N-path target frequency band sampling intermediate frequency sub-signals. The application is suitable for the satellite communication ground station for realizing Ka / Ku dual-band multi-mode communication through a radio frequency switch matrix shared satellite communication antenna, and realizes mutual decoupling of anti-interference processing between different satellite communication terminals.

The invention provides an interference protection template generation method for conversion from an optical image to an SAR image, and relates to the technical field of light-SAR image conversion, and the method comprises the steps: obtaining a to-be-converted optical image of a target region; inputting the optical image to be converted into a pre-training SAR image generator, and converting to obtain a target SAR image; the target SAR image is used as an interference protection template to be sent to an interference target party; the pre-training SAR image generator is trained by adopting a CycleGAN architecture, and the pre-training SAR image generator is a network model fusing a Pixel ViT structure and a UNet structure; the overall loss function of the CycleGAN architecture is constructed by adopting perception loss, pixel loss and cyclic consistency loss; a discriminator in the CycleGAN architecture is provided with a batch head module. On the basis, the generation quality and effect of the interference protection template are integrally improved, and the acquisition cost of the interference protection template is reduced.

The application provides a power negative surge interference protection circuit, comprising: a forward voltage isolation unit electrically connected to an input channel; a primary protection unit electrically connected to the forward voltage isolation unit; a discharge switch unit electrically connected to the forward voltage isolation unit; a detection delay unit electrically connected to the discharge switch unit; an enabling unit electrically connected to the detection delay unit; a power supply unit electrically connected to the enabling unit and the discharge switch unit; an enabling maintenance circuit electrically connected to the enabling unit and the power supply unit; and an anti-reverse connection circuit electrically connected to the primary protection unit and the discharge switch unit. The circuit can realize multi-channel multiplexing and absorb a high energy level negative surge protection circuit.

The invention provides a transient interference protection device integrating protection and filtering functions. Belongs to the technical field of passive protection devices, electronic equipment electrostatic protection and electromagnetic interference suppression. The device comprises a functional TVS diode module, an L-C filter network module and a three-pin packaging structure which are integrated integrally, and the design and manufacturing process of the device comprises the following steps: carrying out characteristic analysis on a direct-current power supply port to obtain a port signal transmission frequency range and transient interference (including surge and static electricity) type data; functional consideration is carried out on junction capacitance characteristics of the TVS diode, TVS junction capacitance parameters matched with port characteristics are designed, and functional TVS diode module design data are generated; a functional TVS diode and an L-C filter network are integrated, a traditional discrete device combination is replaced, the space occupation of a circuit board is reduced, the component purchasing and assembling cost is reduced, the integration degree of the whole machine is greatly improved, and schematic diagram design and layout are simpler and more efficient.

The invention relates to a real-time anti-interference protection method and system for a double-machining-channel machine tool and a terminal, and relates to the field of double-machining-channel machine tools. When the trigger signal is consistent with a preset processing signal, processing data of a processing machine tool are obtained; processing parameters are matched from a preset analysis database according to the processing data; determining machining coordinates according to the machining parameters; a channel adjacent distance is matched from a preset collision database according to the machining coordinates; and when the adjacent channel distance is smaller than a preset safety distance value, reporting a machine tool collision prompt. The machining method has the effect of improving the machining precision.

1. Name of the product in this design: AC power filter (lightning strike and interference protection filter). 2. Purpose of this design: For transmitting alternating current. 3. The key design feature of this product is its shape. 4. The image or photograph that best illustrates the design's key points: 3D view 1.

The invention discloses an electrical system of a magnetic suspension air compressor. The electrical system comprises a three-phase power supply input module, an anti-interference protection module, a high-voltage power supply protection module, a low-voltage dual-power supply module and a fault detection response module, the output end of the three-phase power supply input module is respectively connected with a surge protector and an EMC filter in the anti-interference protection module; the output of the EMC filter is connected with an input reactor, a protection assembly and a phase failure protector in the high-voltage power supply protection module, the input reactor is connected with a frequency converter, the frequency converter is connected with a magnetic suspension motor through an output reactor, and the protection assembly is connected with a high-voltage auxiliary component; a direct-current bus of the frequency converter is connected with the magnetic suspension bearing controller and the DCDC switching power supply, the DCDC outputs two paths of low-voltage electricity to the integral control unit and the low-voltage execution part respectively, and the signal ends of the phase failure protector and the protection assembly are both connected with the integral control unit. Therefore, the defects of electric design of the magnetic suspension air compressor in anti-interference, fault protection and detection and power supply reliability are overcome, and the magnetic suspension air compressor is suitable for industrial severe working conditions.

The present invention discloses a method for interfering with and protecting 4K medical image content. The present invention performs local conversion on the intra-slice data of medical image video frames in H264\H265 format for interference encryption. Eight bytes are respectively extracted from the 0%, 25%, 50%, and 75% positions of each slice data, and are respectively subjected to bitwise exclusive OR operations with 0xEF, 0xDE, 0xCD, and 0xBC in hexadecimal, and the obtained results are assigned back to the original 0%, 25%, 50%, and 75% positions of the slice data. The interference decryption uses the same process to restore the original data. The method designed by the present invention can realize the interference encryption and decryption of 4K medical image video pictures without damaging the H264\H265 frame structure and without affecting the subsequent encapsulation protocol's processing of H264\H265 data; the interference encryption and decryption process occupies less resources and has less impact on the real-time performance of 4K medical images.

The utility model relates to the technical field of factory chemical instrument, especially a factory anti -interference protection device and system. Factory anti -interference protection device, fixedly arranged in the outside of instrument body, include, support subassembly, including fixedly arranged in the lower side of the connecting pipe of instrument body, fixedly arranged in the support pipe of connecting pipe lower extreme, the connecting pipe with support pipe each other vertical, first sleeve, set up in the outside of damping assembly and its upper end with shell screw thread cooperation, the damping assembly, including fixedly arranged in the second sleeve of support pipe upper end outer wall, set up between first sleeve and the elastic member of second sleeve. The device can effectively reduce the influence that various high -voltage electrical equipment, high -voltage switch etc. produce strong magnetic field change to instrument sensor, has guaranteed the stability and reliability of on -the -spot instrument, the setting of apron makes the device whole convenient dismounting and overhauling, can be applicable to multiple types of instrument.

The application belongs to the technical field of communication interference protection, and specifically discloses a cross-time-scale interference cancellation real-time decision system, wherein a radio frequency quadrature receiving module is used for receiving interference and communication mixed signals in space, processing and digitizing the interference and communication mixed signals, and obtaining digital baseband signals of multiple IQ two-way channels; a parallelization multi-domain fusion cancellation algorithm module is used for suppressing interference signals in the digital baseband signals of the multiple IQ two-way channels through multiple cancellation algorithms, and obtaining cancellation output signals corresponding to the multiple cancellation algorithms respectively; a cancellation effect real-time evaluation module is used for performing interference detection on the cancellation output signals corresponding to the multiple cancellation algorithms respectively, and obtaining evaluation results corresponding to the multiple cancellation algorithms respectively; and a cancellation algorithm real-time decision module is used for determining an optimal cancellation algorithm in the multiple cancellation algorithms based on the evaluation results corresponding to the multiple cancellation algorithms respectively, and outputting a cancellation output signal corresponding to the optimal cancellation algorithm.

The invention provides a high-toughness anti-interference satellite communication method based on a dual-beam user terminal and multiple satellites, and belongs to the field of satellite communication. The high-toughness anti-interference satellite communication method aims at solving the problem that a satellite communication system is easily interfered and attacked due to open channels and relatively fixed satellite orbit information. When a main beam of a user terminal works, a standby beam performs polling detection among available communication resources of a plurality of satellites to obtain a channel state, and when the main beam is interfered and attacked and the communication is interrupted, the standby beam is switched to the main beam in an extremely short time, the communication is recovered and kept smooth, and the main beam is synchronously switched to the standby beam, so that the communication efficiency is improved. And polling is continued among the available communication resources, so that relatively high toughness and relatively strong anti-interference capability of the user satellite communication network are formed. The method is short in anti-interference and communication-keeping processing time after the satellite communication system is interfered, and is suitable for design and development of key user satellite communication systems and user terminals with toughness and anti-interference communication requirements as the main.

The invention relates to the field of wind power control optimization, and particularly discloses a wind power master control PLC anti-interference method and system based on a self-shielding filtering algorithm, which abandons the traditional thought of adding hardware, and uses a current feedback signal homologous with an interference source (variable pitch driver) as an original reference. The method is characterized in that the signal is not directly used, but a software-defined shielding layer is constructed through unique interference feature extraction and purification steps, and pure interference features capable of accurately representing noise are intelligently extracted from an original reference signal, so that a high-quality virtual noise reference is generated. On the basis, the adaptive filtering algorithm can accurately estimate and eliminate actual interference components from a main signal (a blade angle signal). According to the method, on the premise of not increasing any hardware cost and system delay, real-time and high-precision anti-interference protection on key control signals is realized by utilizing the existing data flow in the PLC.

This invention discloses a control system and its circuit based on dual-axis electromagnetic brake drive, including a power supply and protection unit, a dual-axis brake drive unit, a dual-axis brake detection unit, and a drive isolation unit. Through the synergy and combination of the above units, four key technologies are formed: integrated symmetrical dual-axis drive, dual-signal redundant enable logic, isolated precision monitoring, and multi-level anti-interference protection. These technologies work together to overcome bottlenecks and achieve the goals of high-precision, high-reliability, and high-safety control. Its advantages include: (1) The symmetrical dual-channel architecture significantly reduces the timing deviation of dual-axis braking, improving positioning accuracy and equipment stability; (2) The innovative redundant logic can achieve PLD-level safety and eliminate the risk of over-cutting; (3) The use of an isolated detection unit greatly improves voltage sampling accuracy and anti-interference; (4) The circuit structure of the multi-level protection network is adaptable to more complex industrial environments.

An anti-interference protection circuit for a power semiconductor switch test comprises a differential sampling module, a turn-off module and a window threshold judgment module, and an output signal of the differential sampling module enters a window left input end of the window threshold judgment module after being delayed by a delay module. The output signal of the differential sampling module further enters the window right input end of the window threshold value judgment module, the output end of the window threshold value judgment module is connected with the input end of the turn-off module, and when it is detected that the left side signal and the right side signal of the window are both larger than threshold voltage, the window threshold value judgment module outputs a turn-off signal. The differential sampling module collects a voltage signal, generates a time window reference through a time delay circuit composed of a voltage follower, obtains an initial sampling value and a time delay sampling value respectively, and synchronously compares the two paths of sampling signals with a preset threshold voltage through threshold judgment to decide whether to cut off or not. According to the invention, the interference of current peak in the power semiconductor switch test is prevented, and the original function of the overcurrent protection circuit is reserved.

The utility model relates to the technical field of capacitive touch screens, in particular to a capacitive touch screen structure with an anti-interference function, which comprises a frame body, a clamping plate is fixedly mounted on one side of the frame body, a clamping groove is arranged on the clamping plate, an overflow groove is arranged on one side of the frame body close to the clamping plate, and the overflow groove is communicated with the clamping plate. Tempered glass is fixedly installed on the side, away from the overflow groove, of the frame body, an insulating film is fixedly installed at the joint of the tempered glass and the frame body, a display mechanism is arranged in the frame body and comprises first OCA, the first OCA is fixedly installed in the frame body, the tempered glass is fixedly installed on one side of the first OCA, and the second OCA is fixedly installed on the other side of the frame body. Impedance loss is reduced through the ITO layer assembly, backlight energy consumption is reduced through the light guide plate, the overall service life is prolonged through self-repairing of the self-repairing insulating layer, the dynamic shielding film, the self-repairing insulating layer and the metal back plate are integrated through the OCA glue assembly to be grounded in a multi-point mode, triple anti-interference protection is achieved, and the service life is prolonged. And the touch precision and the display stability are still kept in a complex electromagnetic environment.

The utility model provides a low-voltage power cable with a special-shaped conductor structure, which comprises a special-shaped insulating sleeve and a circular conductor, a metal shielding layer is fixedly connected onto the inner wall of the special-shaped insulating sleeve, a polyvinyl chloride protective sleeve is fixedly connected onto the inner wall of the metal shielding layer, and a special-shaped conductor is fixedly connected onto the inner wall of the polyvinyl chloride protective sleeve. The outer wall of the special-shaped insulation sleeve is movably sleeved with an alloy wedging sleeve, the outer wall of the alloy wedging sleeve is fixedly connected with a rubber buffer layer, and the left side of the alloy wedging sleeve is provided with a through hole. Through the shape design of the special-shaped insulating sleeve and the special-shaped conductor, the whole structure is of a flat strip-shaped structure, is easy to bend and high in flexibility, facilitates laying work, can save space, can carry out anti-interference protection on the special-shaped conductor through the design of the metal shielding layer, and can carry out anti-interference protection on the special-shaped conductor through the design of the alloy wedging sleeve. The device can be installed at the exposed laying position of the special-shaped insulation sleeve, and targeted compression resistance protection is carried out on the part of the special-shaped insulation sleeve.

The application relates to a compliance non-intrusive industrial control firmware over-extraction method. The method comprises the following steps: collecting physical signals of an industrial control device in operation through a non-contact sensor, analyzing and positioning a triggering time of a firmware protection mechanism in combination with a compliance constraint model, wherein the compliance constraint model comprises a fault injection power constraint, a firmware extraction time length constraint and an electromagnetic interference intensity constraint; according to the positioned protection mechanism triggering time, injecting a fault signal into the industrial control device to interfere with the operation of the protection mechanism, so as to realize bypassing of the protection mechanism; establishing communication with a storage chip of the industrial control device through a non-contact interface, and reading firmware binary data in the storage chip; and processing the firmware binary data to obtain firmware data that can be used for security evaluation. The non-contact collection and communication realize non-damage extraction of the device, the compliance constraint model guarantees industrial environment adaptability, and precise protection bypassing and efficient data processing improve extraction efficiency and compatibility.

The invention discloses an anti-interference protection circuit and method for an air conditioner compressor power device and an air conditioner. The anti-interference protection circuit comprises a current signal acquisition module, a differential amplification module, a protection judgment module and a control chip. The current signal acquisition module is connected to a current output pin of an intelligent power module (IPM) of an air conditioner compressor and acquires the total current of the IPM. Carrying out differential amplification on the collected total current signal through a differential amplification module; the protection judgment module outputs a classification protection signal to a CIN pin of the IPM and the control chip based on the total current signal after differential amplification; and the control chip sends a corresponding control signal to an intelligent power module (IPM) of the air conditioner compressor based on the classification protection signal. While the error protection problem caused by interference is solved, frequency limiting and reducing processing is carried out before shutdown, and the operation reliability of the unit is improved.

The utility model relates to communication network protection technical field, and disclose a kind of communication network anti-interference protection device, including equipment shielding protection mechanism, self-adapting heat dissipation mechanism, flow type auxiliary heat dissipation mechanism, wire harness auxiliary shielding mechanism, equipment shielding protection mechanism includes metal shield, metal shield is equipped with mounting groove, metal shield two end side edge lower middle part is equipped with slot, utilize the metal material quality of metal shield.The utility model is equipped with mounting groove on metal shield, and the electromagnetic shielding space is constructed using high-strength metal material quality by the metal shield of equipment shielding protection mechanism, the shielding wire shell of wire harness auxiliary shielding mechanism is combined, and the communication wire harness is shielded, from equipment main body to wire harness all-around block outside electromagnetic interference, improve communication network anti-interference ability, and shielding wire shell and metal shield are adapted to be connected by slot, guarantee the linking stability of overall protection structure.

This application belongs to the field of interference protection and specifically discloses a radar non-cooperative interference cancellation device and method. The device includes: a sampling antenna module for sampling interference signals in the radar space; a switch matrix module for selecting the signals received by M sampling antenna units and sending them to the sampling channel module; a sampling channel module for converting the received M sampling signals to an intermediate frequency; an analog-to-digital conversion module for digitizing the interference sampling intermediate frequency signal and the radar receiving intermediate frequency signal and sending them to the interference perception module and signal processing module; an interference perception module for determining whether there is interference in the radar receiving signal; a signal processing module for performing interference cancellation processing on the signal of the radar receiving link; and a channel calibration module for performing full-link amplitude and phase calibration on the M sampling channels. Through this application, a dynamic closed loop of interference perception, decision-making and behavior is realized, solving the non-cooperative interference problem faced by radar.

The utility model relates to the technical field of equipment cabinets, and discloses an electromagnetic shielding equipment cabinet, which comprises an equipment cabinet, a top cover, a cabinet door and a sealing element, the top cover is fixed on the equipment cabinet, the side part of the top cover is provided with an exhaust groove, and after the temperature generated in the equipment cabinet is specially processed by the top cover, on the premise of ensuring the electromagnetic shielding effectiveness, the electromagnetic shielding efficiency is improved. A necessary heat dissipation channel is provided for internal equipment of the cabinet, a frame is fixed in the cabinet, the front side of the cabinet is rotatably connected with a cabinet door, the cabinet door is movably connected in the frame, and the cabinet door is matched with a door frame at the front side of the cabinet. When the cabinet door and the cabinet are closed, the first electromagnetic shielding strip on the inner side is tightly attached to the inner side and the outer side of the side plate through clamping of the first sealing frame and the side plate, so that protection measures are improved on the basis of anti-electromagnetic interference of a traditional cabinet, meanwhile, the second sealing frame is attached to the frame, the second electromagnetic shielding strip is tightly attached to the frame, and the anti-electromagnetic interference performance of the cabinet is improved. Therefore, double-layer anti-interference protection measures are realized, and the electromagnetic shielding capability of the electromagnetic shielding cabinet is remarkably improved.