356 results about "Channel power" patented technology

The invention discloses a communication power supply adaptive optimization method and system based on intelligent prediction, and relates to the technical field of power grid dispatching, and the method comprises the steps: collecting dynamic data and static data of a communication system, and constructing a load prediction model; on the basis of a load prediction model, combining static data to predict future load, combining dynamic data to calculate available energy of the system, and formulating a multi-path power supply scheduling strategy; and based on the prediction result, processing the prediction error, correcting the prediction result, and adjusting the power supply strategy under the condition of power interruption. The accurate load prediction enables the configuration of the standby power supply and the UPS system to be more reasonable, and reduces the risk of excessive configuration or insufficient configuration. The overall energy utilization efficiency is improved, and unnecessary energy waste is reduced. Efficient, reliable and intelligent operation of a power supply system is achieved, more stable and more economical power supply service is provided for users, and meanwhile a new solution is provided for intelligent management of an electric power system.

The invention discloses a grid-connected inverter control method based on second-order linear active disturbance rejection, and particularly relates to the field of grid-connected inverter control. Voltage and frequency error signals between the output side of the inverter and the power grid are obtained, a pre-synchronization control model is constructed, and voltage amplitude and frequency synchronization is achieved; a second-order linear active-disturbance-rejection controller is introduced in the frequency synchronization control process, an extended state observer is adopted to estimate the output frequency, the frequency change rate and a disturbance term, and a state error feedback control law is combined to generate a frequency regulation control quantity, so that accurate frequency control is realized; after grid connection, a dual-channel LADRC power regulation controller is constructed, and decoupling tracking control is carried out on active power and reactive power; meanwhile, on the basis of fast Fourier transform processing as a stable grid-connected state criterion, the method has the advantages of being high in control precision, high in anti-interference capability, good in current waveform quality, high in adaptability and the like, and is suitable for various grid-connected application scenes.

The invention provides an ad hoc network communication power control system and method based on a centerless node, and relates to the technical field of wireless communication, and the system comprises a link quality evaluation module which is used for evaluating the link quality between a node and an adjacent node; the power adjusting module is used for calculating and adjusting the transmitting power of the node according to the link quality, the service requirement and the energy state; the channel power coordination module is used for monitoring the channel interference condition in real time and dynamically selecting a channel and coordinating power when the interference is relatively large; the energy sensing and limiting module is used for monitoring node energy and limiting a power adjustment range according to an energy state; and the information interaction and synchronization module is used for ensuring accurate exchange and synchronization of information among the nodes. According to the invention, by improving link quality evaluation, optimizing a power adjustment strategy, enhancing interference processing capability and realizing more effective energy management, efficient power control in a dynamically changing network environment is realized, and the overall performance and stability of the network are improved.

The invention discloses an underwater focusing intense sound system and method based on phase control, and relates to the technical field of focusing intense sound, and the technical scheme is characterized in that a measurement and control upper computer is used for controlling the emission and detection of a trigger signal; the phase control signal generator is used for controlling a phase control signal of sound wave emission; the multi-channel power amplifier is used for driving the acoustic emission phased area array, and the acoustic emission phased area array is used for emitting acoustic waves; the area array calibration hydrophone is used for receiving signals of reflected sound waves; the target calibration sound source is used for transmitting a signal pulse width, the target sound field measurement hydrophone is used for receiving the signal pulse width transmitted by the target calibration sound source and forwarding the signal pulse width to the measurement and control upper computer, and the measurement and control upper computer receives the forwarded signal pulse width for system evaluation and correction. By generating the high-energy strong-focusing sound field and combining the actual underwater signal propagation process, accurate positioning and control of the underwater strong sound field can be completed, so that accurate focusing irradiation and high-resolution imaging of a long-distance small target are realized.

The utility model discloses an annular megawatt-level power combiner, which comprises two groups of N-path coaxial waveguide power combiners for realizing N-in-one and one group of 2-path power combiners for realizing 2-in-one, each group of N-path coaxial waveguide power combiners comprises N coaxial input ports, N waveguide tubes and N-1 waveguide elbows; the N coaxial input ports are respectively and correspondingly arranged on the N waveguide tubes, and every two waveguide tubes are connected through a waveguide elbow, so that each group of N coaxial waveguide power combiners form a semi-ring structure; the output ends of the two groups of N-path coaxial waveguide power combiners are connected with the input end of the two-path power combiner, and a twisted waveguide is additionally arranged at the output end of the two-path power combiner, so that the output end of the two-path power combiner rotates by 90 degrees to form the output end of the annular megawatt-level power combiner.

The invention particularly relates to a miniaturized broadband instantaneous frequency measurement receiver and a corresponding data processing method. The miniaturized broadband instantaneous frequency measurement receiver comprises a signal input port used for receiving an original radio frequency signal; the amplifying and filtering module is used for amplifying and filtering the original radio frequency signal and then outputting a first radio frequency signal; the first power divider is used for splitting the first radio frequency signal and outputting the first radio frequency signal to the multi-channel power division phase discrimination assembly; the multi-channel power division and phase discrimination assembly comprises a plurality of power division and phase discrimination modules and is used for carrying out instantaneous measurement on the signal frequency of the first radio frequency signal and outputting multi-channel video signals; the frequency measurement coding module is used for performing frequency measurement processing on the video signal and outputting a frequency code; wherein the signal input port is connected with the amplification filtering module and the power division phase discrimination module through microstrip lines; the power division phase discrimination module is connected with the frequency measurement coding module through a glass insulator. The size, the volume and the weight of the device all meet the requirement for miniaturization.

The invention is applicable to the technical field of power distribution network monitoring, and provides a power grid monitoring-oriented power adaptive congestion control method, which comprises the following steps of: acquiring a network performance index and a power grid operation parameter of a power grid monitoring data transmission network, and determining a congestion state of a current network through a preset congestion evaluation model; a 5G ad hoc network node connection strength coefficient, a new energy monitoring data priority label, a west-to-east transmission channel power flow fluctuation coefficient and a regional vulnerability index are used as decision variables, and the minimum weighted transmission delay, the packet loss rate and the maximum new energy consumption responsivity are used as objective functions. Generating a control strategy corresponding to the current network congestion state according to the hybrid intelligent optimization model fusing reinforcement learning and a genetic algorithm; executing the control strategy to dynamically adjust the network resources; monitoring the execution effect of the control strategy, and feeding the result back to the model to update the parameters; and therefore, the requirements of multi-target optimization and differential service quality in a complex power grid monitoring scene can be met.

The present application relates to a calibration method, device, test system and readable medium for a power module, the method comprising: loading pre-acquired calibration data, the calibration data comprising measurement data corresponding to each calibration item in each output channel of the power module; acquiring at least one output channel to be calibrated and multiple target calibration items, and corresponding target values ​​through an interactive interface; determining a calibration order of the multiple target calibration items based on a pre-set calibration item priority; and calibrating the multiple target calibration items in sequence based on the calibration order, comprising: acquiring corresponding calibration parameters based on the target value and measurement data corresponding to at least one output channel to be calibrated and sending them to the power module, the power module adjusting the output value of the target calibration item in the corresponding output channel to be calibrated based on the calibration parameters, thereby solving the problem of low calibration efficiency of multi-channel power modules.

The invention provides a satellite communication system with multi-mode capability and a communication method, and belongs to the technical field of satellite communication. A signal processing module of the system comprises a load control unit and a baseband processing unit, the load control unit is responsible for beam correlation calculation, transmission rate control, antenna channel power-on and power-off control and the like, the baseband processing unit is used for processing uplink and downlink signals, and the downlink supports multiple modes. The frequency conversion processing module is provided with an upper frequency conversion channel and a lower frequency conversion channel which respectively process transmitted and received signals. And the wide-beam receiving antenna is responsible for receiving uplink data. The phased array transmitting antenna is responsible for transmitting downlink data, is high in gain and fast in pointing adjustment, and supports multiple modes. According to the communication method, satellite transmitting and receiving are started by default, and transmitting serves as a beacon to assist a user in capturing. According to the invention, the working modes can be flexibly switched, the telemetering downloading capability and the information broadcasting efficiency are improved, and diversified communication requirements are met.

The invention discloses a low-voltage power line carrier communication method and system based on multi-band cooperative modulation, and relates to the technical field of carrier communication, and the method comprises the steps: obtaining channel state information and service type information; constructing a channel power model according to the channel state information and performing calculation to obtain a transmitting power distribution value of a frequency band; performing preliminary allocation on frequency bands based on the service type information and the transmitting power allocation value to obtain a first frequency band allocation strategy; and optimizing the first frequency band allocation strategy to obtain a second frequency band allocation strategy, thereby realizing low-voltage power line carrier communication based on multi-frequency-band cooperative modulation. According to the method, the communication reliability of the system in a high-noise and strong-interference environment is improved, the service quality assurance capability for services with different priorities is enhanced, dynamic optimization and balanced utilization of spectrum resources are realized, and an efficient and reliable communication solution is provided for application scenes such as a smart power grid and smart home.

The invention discloses a multichannel synchronous impedance measurement system and an impedance measurement method, the multichannel synchronous impedance measurement system comprises a signal generation module, a multichannel signal acquisition module, a control module and a display and operation module. The signal generation module comprises a DDS chip and a programmable control operational amplifier and is used for applying current excitation signals to two ends of a to-be-tested system, the multi-channel signal acquisition module comprises at least two multi-channel ADCs and realizes synchronous acquisition through a synchronous trigger circuit, and the control module realizes ADC data receiving and real-time calibration algorithm through an FPGA. And the display and operation module realizes measurement mode selection and result display. The method has the characteristics of high measurement precision and low single-channel power consumption, and signal leakage of adjacent channels is detected; 0.1%, 8 channels synchronously acquire time sequence deviation lt; the temperature drift is 1t after continuous working for 24 hours in 50ns; and 10 ppm.

Various aspects of the present disclosure generally relate to wireless communication. In some aspects, a user equipment (UE) may calculate at least one of a nominal power value, an alpha value, or an initial transmit power value for a physical uplink shared channel (PUSCH) transmission occasion in a full-duplex slot, wherein the PUSCH transmission occasion is associated with a radio resource control (RRC) connection resulting from a random access process during which the UE does not receive a PUSCH alpha set or is associated with a random access response uplink grant for a transmission or retransmission. The UE may transmit in the PUSCH transmission occasion using at least one of the nominal power value, the alpha value, or the initial transmit power value. Numerous other aspects are described.

The super capacitor charging module in the multi-path power supply standby power logic circuit for the novel Internet of Things meter comprises a resistor module, a diode D1 and a capacitor C1, wherein the resistor module, the diode D1 and the capacitor C1 are connected in series and are formed by connecting resistors R1 and R2 in parallel; the input ends of the resistors R1 and R2 which are connected in parallel are connected with + 5.2 V; one end of the capacitor C1 is grounded, and the other end is respectively connected with the diodes D1 and D2; + 5.2 V is respectively connected with the clock battery power supply AVBAT network and the VIN end of the voltage stabilizer U1 through a diode D3, and the output end of the diode D3 is also grounded through a capacitor C6; one path of network battery current ABATT is grounded through a capacitor C2 and a resistor R4 which are connected in parallel, and the other path of network battery current ABATT is connected with a resistor R3; the output end of the resistor R3 is respectively connected with diodes D4 and D6 and a resistor R5; the output end of the diode D4 is connected to the output end of the diode D3; the resistor R5 is connected with a power supply E1, and the power supply E1 is connected with a capacitor C3 in parallel; the output end of the diode D6 is connected with the output end of a diode D5; the structure is compact and use is convenient.

The embodiment of the invention provides a channel power spectrum estimation method based on measurement report data and related equipment. The method comprises the following steps: acquiring multiple pieces of measurement report data of a communication system to be tested; inputting each piece of measurement report data into a data positioning model for prediction processing to obtain a prediction position corresponding to each piece of measurement report data; based on each piece of measurement report data and the corresponding prediction position, communication grid division is carried out on each piece of measurement report data to obtain a division grid set, and the division grid set comprises a communication grid index of each piece of measurement report data; determining average grid report data of a plurality of pieces of measurement report data in each communication grid based on the divided grid set, and determining a grid center position of each divided grid; and performing estimation calculation based on the average grid report data and the grid center position to obtain an estimated channel power spectrum from the base station to each communication grid, thereby improving the accuracy and robustness of power spectrum estimation.

The invention provides a time-sharing multi-channel power distribution system and a control method thereof, and the system comprises a microwave excitation source which is used for generating a continuous wave radio frequency signal; the common end of the multi-channel radio frequency switch is connected with the output end of the microwave excitation source, and the multi-channel radio frequency switch is used for switching a radio frequency signal to any one of a plurality of output channels of the multi-channel radio frequency switch in a time-sharing manner; the control module is electrically connected with the control end of the multi-channel radio frequency switch, and the control module is used for outputting a control signal according to a preset time sequence so as to drive the multi-channel radio frequency switch to be switched among different output channels; the directional protection module is connected between the microwave excitation source and the multi-channel radio frequency switch and is used for guiding reflection power from an output channel to a matched absorption load, so that the inherent problem of power division attenuation of a traditional power divider is solved; therefore, each output channel can obtain almost all original input power in the working gap, thereby greatly improving the power utilization rate and the transmission efficiency.

The invention provides a covert communication method based on STAR-RIS and full-duplex cognitive interference. The method comprises the following steps: establishing a covert communication system model based on STAR-RIS and full-duplex cognitive interference; based on a binary hypothesis testing problem, evaluating a false alarm probability and a missed detection probability of hidden user UR spectrum interception; calculating the false alarm probability, the missed detection probability and the detection error probability of malicious monitor UW detection based on the average receiving power of the malicious monitor UW and the judgment criterion; obtaining the optimal detection threshold and the minimum detection error probability of the malicious monitor UW based on the definition of the detection error probability and the monotonicity of the false alarm probability and the missed detection probability under different classifications; the minimum average detection error probability of the malicious monitor UW is calculated based on the statistical magnitude of the channel hypothesis and the channel power gain. According to the method, the interference signal is transmitted by adopting the full-duplex hidden user, hidden communication is ensured, the inhibition effect of the interference of the direct and cascade double links on monitors in the same area is better, and the probability that information is detected can be effectively reduced.

The invention discloses a device and a method for regulating and controlling the uniformity of wafer horizontal electroplating under the cooperative control of anode and cathode double partitions, which are applied to the technical field of semiconductor manufacturing, and the key points of the technical scheme are as follows: the device comprises an electroplating cavity, a partition anode device is coaxially arranged at the bottom of the electroplating cavity, and the partition anode device is composed of a plurality of independently controlled concentric annular regions; a plurality of electroplating liquid supply openings are formed in the electroplating cavity in the circumferential direction, and annular flow equalizing plates with fixed interval holes are connected to the liquid supply openings; a partition auxiliary cathode device is arranged in the wafer clamping device, the wafer clamping device is composed of a plurality of annular metal sheets concentric with the wafer, the metal sheets are connected with different channels of the multi-channel power supply respectively, and the material of the metal sheets is the same as that of the electroplated metal; the channel modules of the multi-channel power supply are connected in parallel, and current parameters can be independently adjusted; the method has the technical effects that the problems of edge effect and center underplating in the wafer electroplating process are reduced, and the flexibility of the wafer electroplating process is improved.

The present application belongs to the technical field of wireless communications. Provided in the embodiments of the present application are a multi-channel power amplification architecture, a radio frequency generation device and a communication system. The multi-channel power amplification architecture comprises a plurality of amplification circuits and a first multi-frequency power divider circuit; the plurality of amplification circuits are used for separately outputting first radio frequency signals and / or second radio frequency signals; the first multi-frequency power divider circuit comprises at least one microstrip line; the first multi-frequency power divider circuit performs power combining on multiple first radio frequency signals and / or second radio frequency signals on the basis of the impedance characteristic of the microstrip lines, and separately outputs power-combined signals of the first radio frequency signals and power-combined signals of the second radio frequency signals by means of a multi-frequency power dividing function. The embodiments of the present application implement power combining and multi-frequency power dividing on the basis of the multi-frequency power divider structure comprising the microstrip lines, so as to avoid design limitation, insertion loss and the like caused by bridge structures. The present embodiments facilitate design of large-bandwidth, large-backoff, high-efficiency and multi-frequency-band power amplifiers.

The invention relates to the technical field of output sharing control, in particular to a multi-path power regulator control method and system, and the method comprises the following steps: collecting real-time data to establish a data queue, calculating a mean value and a standard deviation to generate a dynamic operation baseline, collecting the real-time data to establish the queue, calculating the mean value and the standard deviation to generate a dynamic baseline, the method comprises the following steps: calculating an adaptive over-current and open-phase alarm threshold based on a baseline, adding an external control quantity to obtain a total power demand, adjusting the number of cycles according to the stability of a load, reducing the number of active whole waves in proportion when the number exceeds the limit, and stopping a thyristor triggering instruction when the current or voltage abnormally and continuously reaches a preset count. According to the method, the self-adaptive threshold is calculated by establishing the dynamic operation base line in combination with the fluctuation amplitude and the sensitivity factor, current and voltage abnormity is specifically recognized, the total cycle number and the active whole wave number are adjusted in combination with the external power requirement and the load stability, single trigger angle control dependence is avoided, and power distribution balance and electric energy supply stability are achieved; and the equipment damage risk is reduced.

A method for determining a bitrate allocation of a plurality of optical channels in an optical transmission link with discretized channel bitrates, the method comprising determining an initial discretized bitrate allocation and a corresponding initial power allocation for the plurality of optical channels for supporting the initial discretized bitrate allocation with the proviso that all optical channels meet a pre-defined optical signal-to-noise, OSNR, threshold for the respective initial discretized bitrate allocated to the respective optical channel; starting from the initial power allocation, varying, for an investigated optical channel of the plurality of optical channels, a channel power of the investigated optical channel to estimate a highest supported discretized bitrate for the investigated optical channel, wherein the highest supported discretized bitrate is the highest discretized bitrate for which the investigated optical channel meets a corresponding OSNR threshold; including the investigated optical channel in an upgrade candidate subset of the plurality of optical channels for potential bitrate upgrades based on the highest supported discretized bitrate exceeding the initial discretized bitrate for the investigated optical channel; and providing the upgrade candidate subset to an upgrade allocation algorithm.

The invention discloses a downlink precoding method and device, electronic equipment, a storage medium and a program, and is applied to a sending end, the method comprises the following steps: obtaining communication configuration information, and determining an average interference power leakage coefficient of different users on scheduled subcarriers according to the communication configuration information; determining an average channel power and an array response vector of each user based on the communication configuration information; according to the average interference power leakage coefficient, the average channel power and the array response vector, determining a downlink precoding vector of each user according to an average signal leakage noise ratio maximization criterion; and obtaining a downlink transmission signal of each user, and performing weighting processing on the transmission signal of each downlink user according to the downlink precoding vector of each user, thereby obtaining a downlink transmission signal corresponding to each downlink transmission beam. According to the embodiment of the invention, the problem of asynchronous interference among different users in the mobile phone direct connection satellite communication system can be solved, and the downlink transmission performance of the multi-beam satellite mobile communication system can be improved.

Methods, systems, and devices for wireless communications are described. The described techniques may enable a wireless device to calculate a closed loop power control parameter for a physical uplink shared channel (PUSCH) message in a random access channel (RACH) procedure in cases where one or more RACH preambles are transmitted in slots with a different slot type (e.g., half-duplex (HD) or subband full-duplex (SBFD)) than a slot used to transmit the PUSCH message. For example, the wireless device may determine a power ramping parameter based on a total quantity of preambles transmitted. Additionally, or alternatively, the wireless device may determine a power ramping parameter based on a quantity of preambles transmitted via slots of the first slot type (e.g., and not preambles transmitted via slots of the different slot type). Additionally, or alternatively, the wireless device may apply a power ramping adjustment parameter.

The invention provides a method and device for determining SRS power control adjustment state information, and relates to the technical field of communication. The method comprises the following steps: receiving downlink control information sent by network equipment; the downlink control information comprises one or more of the following information: a plurality of pieces of transmission power control (TPC) information corresponding to the same carrier / cell and used for determining power control adjustment state information of a sounding reference signal (SRS); one or more pieces of TPC information used for determining SRS power control adjustment state information and channel power control adjustment state information; the at least one piece of TPC information is used for determining SRS power control adjustment state information; and the at least one piece of information is used for indicating a power control adjustment state index corresponding to the TPC information. According to the technical scheme of the invention, the SRS power control adjustment state information required when the sounding reference signal is sent to the TRP (or the antenna panel) can be independently determined according to different TRP (or different antenna panels).

The invention relates to a bridge road section monitoring early warning and prevention and control system, and belongs to the technical field of traffic safety. The system comprises a data acquisition end, a data processing end, a first dual-channel power supply module and a second dual-channel power supply module, the data acquisition end comprises an image processing device, a sensor, a video sensing device and an unvarnished transmission data sending device; the data processing end comprises a core control unit, an early warning screen controller, a bridge abnormal state early warning screen and a transparent transmission data receiving device; according to the invention, real-time monitoring of the health state of the bridge in the bridge section can be realized, the method is suitable for in-service highway bridges, the traffic safety capability of the bridge section under severe weather conditions is improved, the defects of traditional bridge monitoring are overcome, and monitoring blind spots of the highway bridges are eliminated.

The invention discloses a wireless energy and analog-digital mixed signal synchronous transmission circuit and method based on a coaxial coil, and relates to the technical field of wireless power transmission. The technical problems that in the prior art, an existing transmission system only considers single digital signal transmission, the requirement for system analog and digital diverse signal mixed transmission is difficult to meet, high quantization errors are generated, and real-time performance and precision are difficult to consider at the same time are solved. According to the technical scheme provided by the invention, the wireless energy and analog-digital mixed signal synchronous transmission circuit based on the coaxial coil comprises a power channel and a communication channel, the power channel comprises a direct-current power supply, an inverter, a compensation circuit I, a power coil, a compensation circuit II and a rectifier; the communication channel comprises a signal modulation part, a signal transceiving circuit, a communication coil, a filter and a demodulation circuit; the signal modulation part comprises an analog signal modulation circuit and a digital signal modulation circuit. The device is suitable for wireless power supply and signal transmission.

The invention discloses an acoustic equal-proportion power divider based on a planar five-cavity coupling configuration and a working method, and belongs to the technical field of acoustic functional device design. Comprising a first rectangular cavity, a second rectangular cavity, a third rectangular cavity, a fourth rectangular cavity and a fifth rectangular cavity which are arranged in parallel at equal intervals, every two adjacent rectangular cavities are communicated through an air slit, and the air slit between the first rectangular cavity and the second rectangular cavity is the same as the air slit between the fourth rectangular cavity and the fifth rectangular cavity; an air slit between the rectangular cavity II and the rectangular cavity III is the same as an air slit between the rectangular cavity III and the rectangular cavity IV; the length of the air slit changes in the horizontal direction. According to the invention, the technical bottleneck of narrow frequency band of a traditional resonance type device is broken through, the technical problem of multi-channel power equalization under a non-resonance condition is solved, and a passive power distribution solution which is high in reliability and easy to integrate is provided for application scenes such as an array type loudspeaker system and a multi-channel acoustic sensing network.

The utility model discloses a photodiode dark current testing device, comprising an LED lamp, a light shield, a dual-channel power supply, a desk type universal meter, a one-chip microcomputer control board and a multi-channel test board, the light shield is covered on the multi-channel test board, the multi-channel test board is provided with PD sockets having the same number as the channels of the multi-channel test board, and the PD sockets are connected with the desk type universal meter. The PD socket is composed of a 4P socket and Y-shaped sockets arranged side by side. After the scheme is adopted, the efficiency is greatly improved through multi-channel testing, and the vertical pins can be automatically tested through the design of the Y-shaped socket.

The invention relates to the technical field of optical communication, in particular to an optical communication channel power dynamic balancing method. Local power is monitored in real time at each relay node, channel paths with different transmission losses are selected through optical switch routing decision, in optical transmission between adjacent nodes, the power attenuation amplitude of a high-power input signal after being transmitted in a high-loss path is large, and the power attenuation amplitude of a low-power input signal after being transmitted in a low-loss path is small. After the signals are transmitted for a certain distance, the power difference of the signals is reduced, and the signals are amplified by the multi-core optical fiber amplifier of the next node, so that the power dynamic balanced transmission of the channels is realized; not only is the power balanced transmission of the channel realized, but also the system energy consumption is effectively reduced, and the transmission energy efficiency is improved.

The present disclosure relates to the field of aviation technology, including a closed high-voltage charging and distribution system and method for electric aircraft. By setting a load in the system, including an electric drive, each electric drive includes m power supply circuits; n battery packs connected in parallel, used to provide power to the load through a high-voltage charging and distribution box; and n bus bars located in the high-voltage charging and distribution box, respectively connected to the n battery packs; the n bus bars surround m closed circuits; the i-th closed circuit is connected to the i-th power supply circuit of the electric drive to supply power to the i-th power supply circuit; the system design safety margin and reliability are greatly improved, thereby ensuring the safe flight of the electric aircraft; at the same time, the current carrying capacity of the high-voltage line can be reduced through the high-voltage platform to reduce the weight of the aircraft.

The invention belongs to the technical field of terahertz communication physical layer security, and particularly relates to a terahertz physical layer key generation method based on leaky-wave antenna space-spectrum coupling characteristics. According to the invention, the sensitivity of the effective antenna gain of the leaky-wave antenna to the frequency and the spatial propagation direction is utilized to make up for the defect of low eavesdropping channel doubtful degree caused by lack of small-scale fading in terahertz communication, and the conditional generative adversarial network is designed to accurately speculate the equivalent channel power gain. A physical layer key is generated based on the estimated channel power gain. According to the method, the channel power gain can be accurately estimated from the received signal strength with noise and auxiliary information, the reciprocity of an equivalent channel is enhanced, and the method has a lower key mismatch rate and a higher key generation rate; under the condition of different signal-to-noise ratios, good key generation performance can be kept.