669 results about "Emission power" patented technology

The invention discloses a satellite terminal adaptive power adjusting system. The system comprises an attitude sensor module used for collecting three-dimensional attitude data of a terminal; the antenna pattern database is used for storing theoretical gain values of the panel omnidirectional antenna in different attitudes; the gain prediction engine is used for calculating theoretical gain according to the current attitude data and the directional diagram database; the signal quality detection module is used for collecting the intensity, the signal-to-noise ratio and the bit error rate of the received signal in real time; the power control algorithm module fuses the gain prediction value and the signal quality feedback and is used for generating a dynamic transmitting power instruction; the radio frequency power amplifier is used for executing the power adjusting instruction and outputting an adjusted transmitting signal; the invention further discloses a satellite terminal self-adaptive power adjusting method. According to the invention, the problem of balance between satellite terminal communication stability and power consumption efficiency in a complex environment is solved.

The invention discloses a carbon emission electric power monitoring system and a control method, and relates to the technical field of carbon emission, and the indoor carbon emission electric power regulation and control process comprises the steps: S1, indoor configuration and networking; s2, performing personalized setting by a user; s3, acquiring indoor real-time data; s4, indoor data analysis; s5, controlling the indoor delayable equipment; s6, indoor adjustable power equipment is controlled; and S7, indoor non-interruptible equipment monitoring is carried out. According to the carbon emission electric power monitoring system and the control method, community public electricity utilization facilities and indoor private electricity utilization facilities are closely combined, a complete and comprehensive carbon emission electric power monitoring and control system is constructed from public charging piles to various indoor electricity utilization devices, all-around and systematic management of community electricity utilization is achieved, and the power utilization efficiency is improved. Carbon emission power monitoring and control with a community as a region can be refined to households, so that the carbon emission of the whole community can be controlled and regulated more accurately.

The invention provides a clock adjusting method, a clock and electronic equipment, and the method comprises the steps: monitoring an actual value of spectrum data of a target clock; calculating an expected value of the wave spectrum data according to the transmitting power of a target clock corresponding to the actual value on the basis of a predetermined current relationship between the wave spectrum data and the transmitting power; based on the actual value and the expected value, whether deviation exists in the spectrum data of the target clock is judged; if the deviation exists, updating the relationship between the wave spectrum data and the transmitting power based on the actual value of the wave spectrum data and the transmitting power corresponding to the actual value, and obtaining the current relationship between the updated wave spectrum data and the transmitting power; and adjusting the transmitting power of the target clock based on the current relationship between the updated spectrum data and the transmitting power. Through the method, the stability of the clock can be improved.

A method for managing a maximum permissible exposure (MPE) limit that corresponds to a time window is provided. The method includes estimating, based on radar detection information and transmission history information, a previous radio frequency exposure (RFE) for a target that occurred during a previous time period of the time window. The method includes predicting a future RFE on the target to occur during a future time period of the time window such that a sum of the estimated previous RFE and the predicted future RFE does not exceed the MPE limit for the time window. The method includes determining, based on the predicted future RFE, a transmission power budget for a transceiver of an electronic device for transmission during the future time period.

The invention discloses a wireless charging transmitting end FOD detection method, device, equipment and medium, and the method comprises the following steps: S1, obtaining the input voltage and input current of a transmitting end, and calculating the transmitting power; s2, acquiring receiving power reported by a receiving end; s3, collecting voltage data of a connection point of the coil and the resonance capacitor, fitting a voltage model of a complete period, and calculating the loss power of the coil based on the voltage model; s4, calculating power loss; and S5, comparing the power loss with a preset threshold value, and judging whether foreign matters exist between the wireless charging transmitting end and the receiving end or not. According to the method, the transmitting power and the receiving power are respectively and accurately measured, the coil loss power is calculated, then foreign matter judgment is carried out based on the power loss, various power factors in the wireless charging system are considered, and compared with a single detection mode (for example, only the Q value is detected), the existence of the foreign matter can be more accurately recognized in the charging process.

The invention relates to an electric power communication system optimization technology, in particular to a physical layer security optimization method and equipment for a full-duplex multicarrier power line communication system, and the method combines a full-duplex technology and a time domain artificial noise auxiliary security strategy to construct a multicarrier power line communication system model with a relay; generating a safety rate maximization problem, designing a set of convex approximation method, and performing conversion and simplification of a non-convex optimization problem; designing an iterative solution algorithm, and jointly optimizing the confidential data of the source node, the confidential data of the relay node and the artificial noise power distribution matrix; and optimizing the physical layer safety performance of the full-duplex multi-carrier power line communication system based on the solved power distribution matrix. According to the communication scheme and the solved power distribution vector, the safety performance of the power line communication system is optimized, the limitation of the number of power transmission cables in the power line communication system is avoided, the safety rate maximization of the total transmitting power domain can be realized, and the technical problem that data in an existing multi-hop power line communication system is prone to leakage is solved.

The invention provides a laser welding control system and method.The system comprises a temperature feedback regulation and control module, a PLC control module, a half-bridge driving module and a constant-current source device.According to the system, an instruction is transmitted to the PLC control module on the basis of a temperature signal and a temperature state signal obtained through real-time monitoring of the temperature feedback regulation and control module; the PLC control module controls starting and stopping of a laser and a cooling system in the welding process according to different temperature state signals, when the temperature state signals are in the range lower than a laser PWM regulation starting threshold Tset and higher than a lowest temperature threshold Tmin, PWM regulation and control are conducted on the transmitting power of the laser, meanwhile, a constant current source circuit is started, and the laser is driven to weld through constant current; besides, on the basis of light beam space distribution calculation and high-temperature beam width and low-temperature beam width analysis, the optimal PWM duty ratio and frequency are solved through iterative optimization, stable welding quality is ensured, welding precision is improved, and welding defects are reduced.

According to the method and system for detecting the oil level of the oil-immersed transformer bushing, an upper computer adopts a simulation method to determine the installation position, the transmitting power and the transmitting frequency of an ultrasonic probe in a detection device, determines effective echo signals from n times of echo signals, and determines the propagation duration of the effective echo signals when no oil exists in the bushing and when oil exists in the bushing; fixing the detection device on the side wall of the sleeve according to the mounting position of the ultrasonic probe; the upper computer verifies whether the current position of the ultrasonic probe is deviated from the mounting position or not; if no deviation exists, the upper computer sends a detection instruction to the detection device; when receiving the detection instruction, the detection device detects the propagation duration of an effective echo signal in the to-be-detected sleeve and uploads the propagation duration to the upper computer; the upper computer judges whether the oil level is detected or not according to the propagation duration of the effective echo signal when no oil exists in the casing and oil exists in the casing and the propagation duration of the effective echo signal in the casing to be detected; when it is judged that the oil level is detected, the upper computer outputs the oil level of the casing pipe.

The invention discloses a multi-mode unmanned aerial vehicle cooperative interference control method and device and a medium, and relates to the technical field of unmanned aerial vehicle interference, and the method comprises the steps: dynamically selecting an interference waveform parameter through employing an interference efficiency value of an unmanned aerial vehicle, obtaining a multi-mode interference instruction set, the method comprises the following steps: dynamically adjusting a waveform emission time sequence of an unmanned aerial vehicle by adopting a clock calibration protocol based on a consistency algorithm to form a composite interference signal, electing a coordination node according to a real-time interference efficiency value of the unmanned aerial vehicle, fusing radio frequency signal data and a multi-mode interference instruction set into the elected coordination node, and obtaining an interference scheme. And optimizing the transmitting power and frequency band selection of each unmanned aerial vehicle by adopting a game algorithm, generating an optimal interference parameter of each unmanned aerial vehicle, and controlling the array antennas of all unmanned aerial vehicles to radiate radio frequency interference signals to the interference target according to the composite interference signal, the optimal interference parameter and the interference scheme of each unmanned aerial vehicle. According to the unmanned aerial vehicle cooperative interference method, the cooperative interference capability, the intelligent level and the stability of multiple unmanned aerial vehicles are improved.

The present application relates to devices and components, including apparatus, systems, and methods for measuring serving cell configuration. The user equipment may detect a condition, and based on the condition, it may determine a configuration associated with a set of requirements. The requirements may be associated with determining a maximum transmit power or power back-offs. The UE may determine the maximum transmit power based on the configuration. Based on the maximum transmit power, UE may perform power control or other algorithms to determine the transmit power used to transmit a signal to the network.

The invention discloses a stamping die process data processing method and system based on big data analysis, and relates to the field of die management, and the method comprises the steps: outputting a crack feature vector; extracting standardized ultrasonic detection data of the stamping die; forming a process comprehensive damage detection result of the stamping die; and dynamically adjusting detection parameters of the electromagnetic field sensor and the ultrasonic sensor. The electromagnetic field frequency and intensity, the ultrasonic transmitting power, the pulse width and the beam focusing are dynamically optimized, adaptive adjustment of parameters of each region is achieved, and it is ensured that the optimal detection effect can be obtained under different material conditions. Meanwhile, closed-loop feedback and multi-source fusion ensure that the system is stable and reliable, the risk of false detection and missing detection is reduced, the controllability and practicability of the detection process are improved, and reliable technical support is provided for efficient and intelligent detection of the stamping die.

The invention provides wireless energy supply equipment and a wireless energy supply method of a nerve stimulator. The wireless energy supply device comprises a transmitter used for transmitting energy supply electromagnetic waves to a nerve stimulator and improving the transmitting power of the energy supply electromagnetic waves; the impedance calculation unit is electrically connected with the transmitter; impedance calculation unit for monitoring a reflected impedance corresponding to the nerve stimulator according to an input current and an input voltage of the transmitter, maintaining the transmitter constant at a transmitting power corresponding to an initial impedance abrupt change point when the initial impedance abrupt change point is identified, and starting up the nerve stimulator obtained in advance the voltage is determined as a working voltage estimation value of the nerve stimulator, parameter configuration is executed, a state estimation value of the nerve stimulator is calculated according to a reflection impedance monitoring sequence corresponding to the nerve stimulator in the parameter configuration execution stage, and the transmitting power of the energy supply electromagnetic waves is controlled according to the state estimation value.

The invention discloses a self-detection method, a radio frequency system, a radio frequency device and a storage medium, and belongs to the technical field of radio frequency. In the process that the radio frequency link outputs the radio frequency signal, the test channel is controlled to be conducted, and the directional coupler is controlled to be disconnected from the power detector, so that radio frequency power calibration is carried out through the programmable gain amplifier, the power detector and the digital logic control circuit; or, the test channel is controlled to be disconnected, and the directional coupler and the power detector are controlled to be connected, so that standing wave alarm processing is carried out. By controlling the connection and disconnection of the test channel and the directional coupler with the power detector, the purposes of power calibration in a power-on or transmitting power gap, real-time echo monitoring and standing wave alarm can be achieved.

A radio-frequency identification (RFID) system includes RFID tags arranged in a plurality of separate rows, a RFID reader, and a computer system including a processor, a non-transitory computer readable medium, and one or more applications stored in the non-transitory computer readable medium. The one or more applications, when executed by the processor, initiate by the RFID reader a row scan, and modulate, using a beamforming control module, a configuration of a radiation beam. In addition, the one or more applications, when executed by the processor, modulate by a power control module an emission power of the reader antenna during the performance of the row scan, and detect by the RFID reader one or more of the RFID tags positioned along a row.

Aspects described herein include devices and methods for an envelope tracking power supply. In some aspects, the envelope tracking power supply includes an envelope signal input port, an output power port, an input interface circuit coupled to the envelope signal input port, sensing and conditioning circuitry, and amplifier circuitry coupled between the input interface circuit and the sensing and conditioning circuitry, the amplifier circuitry having one or more control inputs. The envelope tracking power supply additionally includes switcher circuitry coupled to the output of the sensing and conditioning circuitry, and the output power port, and the supply further includes output filter circuitry coupled to the output power port and machine learning circuitry configured to receive state tracking data for performance of a transmit power amplifier (PA) that receives power via the output power port.

The embodiment of the invention provides a power amplifier trap effect compensation method and device, and the method comprises the steps: inserting a background carrier at a guard band frequency domain position of a working carrier, and obtaining an input signal; monitoring the signal quality of an output signal of an output port of a transmitting channel based on the background carrier; under the condition that the signal quality is not qualified, obtaining the service load of the working carrier; and adjusting the transmitting power of the background carrier based on the service load of the working carrier so as to eliminate a power amplifier trap effect. According to the invention, the problem that the input signal has a power amplifier trap effect in the prior art is solved, and the effect of improving the quality of the output signal is further achieved.

A method for indicating a transmit power is performed by a terminal, and includes: determining a maximum permissible transmit power of at least one uplink beam of the terminal, wherein the maximum permissible transmit power is a maximum transmit power subject to satisfying a maximum permissible exposure (MPE) limit of the terminal; and transmitting first indication information for indicating the maximum permissible transmit power of the at least one uplink beam.

The invention discloses a beacon system based on dual-mode communication, an area approaching detection method, electronic equipment and a storage medium. The system comprises a plurality of beacons, each beacon comprises a controller, a communication module and a low-frequency transmitting module, and the controller comprises a transceiver; the communication module is used for receiving beacon configuration parameters of configuration equipment; the beacon configuration parameters comprise transmitting time slices and transmitting power; the controller is used for performing timestamp synchronization among a plurality of beacons through a private protocol in an idle time window of the transceiver, and establishing a unified time reference; under a unified time reference, determining a synchronization time table based on the transmission time slices; controlling a low-frequency transmitting module to transmit a low-frequency signal based on the synchronization time table and the transmitting power to form a signal coverage area; according to the method, microsecond-level accurate synchronization is realized through a private protocol, the problems that a traditional scheme lacks a time synchronization mechanism and signal conflicts are easily generated in multi-beacon work are solved, and the reliability of multi-beacon cooperative work is ensured.

The invention discloses a method and device for reducing power consumption of a satellite terminal and electronic equipment. The method comprises the following steps: acquiring the original transmitting power of a satellite terminal; the original transmitting power is adjusted through a power control system, the target transmitting power of the satellite terminal is obtained, and the power control system is used for dynamically adjusting the transmitting power of the satellite terminal; determining a target working voltage of the satellite terminal according to the target transmitting power; the target power consumption of the satellite terminal for data communication under the target transmitting power and the target working voltage is determined, and the target power consumption is smaller than the corresponding original power consumption of the satellite terminal under the original transmitting power. According to the communication satellite terminal, the technical problem that energy consumption is too high due to too high transmitting power or too high working voltage during long-time communication of a traditional communication satellite terminal is solved.

The present invention relates to an operation method of a transmitter configured to transmit power to a receiver through three orthogonal transmission coils, the method comprising the steps of: calculating a target transmission current in a transmission module including each transmission coil for maximum transmission efficiency; determining the magnitude and phase of an input voltage capable of inducing the target transmission current in each transmission module by considering the mutual inductance between the transmission coils; and inducing the target transmission current in each transmission module through the input voltage determined for each transmission module.

The invention provides a base station OTA intermodulation test method based on a reverberation chamber. The reverberation chamber comprises a shielding shell which encloses a closed cavity, and a stirrer which is arranged in the closed cavity and is used for stirring electromagnetic waves transmitted in the closed cavity; and the tested base station and the interference signal antenna are arranged in the working area of the closed cavity in parallel at a preset interval. The method comprises the following steps: starting a tested base station, and enabling the tested base station to transmit a main signal of a first frequency and bandwidth in a preset transmitting power mode; providing an interference signal of a second frequency and bandwidth with a predetermined power level to an interference signal antenna to generate intermodulation interference on the tested base station so as to perform an intermodulation interference test; under the condition that the stirrer is started for electromagnetic wave stirring, electromagnetic wave signals in the closed cavity are collected; and analyzing and processing the acquired electromagnetic wave signal to obtain a measurement result of the intermodulation interference test index based on the total radiation power. The universality of the emission intermodulation test is realized, and the test cost and time are reduced.

The power generation system comprises a fuel cell unit adapted to generate electric power using a hydrocarbon-containing gas. A water-gas shift reactor is adapted to receive flue gas from the fuel cell unit and convert carbon monoxide contained in the flue gas into carbon dioxide and hydrogen. A cryogenic carbon dioxide capture unit is adapted to receive flue gas from the water-gas shift reactor and remove carbon dioxide therefrom. A recycle line recycles carbon dioxide-depleted flue gas to the fuel cell unit.

The invention belongs to the technical field of power system automation and energy management, and particularly discloses a standby power management system for power utilization information acquisition of a power grid and a control method. The system comprises a main power supply monitoring module, an energy reserve management module, a communication environment sensing module, an energy efficiency strategy decision core and a task priority scheduling module. The communication step length and the transmitting power are dynamically adjusted by capturing the states of a power grid, a battery and a channel in real time, and data scheduling is executed according to priorities. By the adoption of the technical scheme, fine distribution of electric energy is achieved, invalid standby power consumption is reduced, the life cycle of the collection terminal in the power-off state is prolonged, reliable reporting of key information under the extreme working condition is ensured, and data support is provided for research and judgment of power grid faults.

The invention discloses a low-voltage power line power frequency communication interference suppression and adaptive demodulation method and system, and the method comprises the steps: firstly, detecting the voltage zero crossing of a power grid in real time, and dynamically calibrating a communication time slot based on an actually measured power frequency, thereby achieving the precise power frequency synchronization; injecting a pilot signal into the synchronous time slot window, and judging line topology mutation through coupling of pilot response and a preset signal-to-noise ratio threshold, thereby completing topology perception and verification; triggering channel reestimation in combination with a topological change result, rejecting fundamental wave and multi-order harmonic interference from channel response of least square estimation, and updating a channel model by adopting a time-varying smoothing algorithm; then, a low-noise time window is determined according to the corrected zero cross point, key data packets are scheduled preferentially, and high-reliability anti-interference transmission is achieved; and finally, dynamically and cooperatively adjusting the transmitting power, the receiving filter and the phase compensation based on the newest channel and topology state to form closed-loop self-adaption. According to the scheme, the intelligent degree is high, and the communication stability and the system maintainability are greatly improved.

The invention relates to the technical field of laser radars, and discloses a laser radar beam scanning path optimization and energy efficiency management method based on an FPGA, and the method comprises the following steps: S1, collecting the point cloud data and obstacle distribution information of a target region in real time through an environment sensing module; s2, generating a dynamic scanning path based on space partition, and generating a self-adaptive spiral scanning path for avoiding obstacles; s3, executing multi-parameter collaborative energy efficiency adjustment, and dynamically matching the laser transmitting power, the receiver gain and the MEMS driving voltage; and S4, synchronously outputting the optimized scanning path and the energy efficiency instruction to a laser driving circuit and a light beam deflection controller through a hierarchical scheduling module of the FPGA. A detection area is divided into priority grids through an FPGA, a self-adaptive spiral scanning path is generated, a hardware-level sudden obstacle avoidance algorithm is utilized, the response time is shortened to be smaller than or equal to 5 ms, and the integrity of point cloud data is ensured.

The invention provides a power control method and device. In the method, a first device can receive first indication information from a second device so as to obtain path loss information used for calculating and sending the transmitting power of a first signal (such as an uplink signal used for sensing), so that the first device can calculate the transmitting power and / or power headroom more accurately; the first device can flexibly adjust the signal transmitting power according to the change of the path loss information of the sensing scene, so that the sensing performance can be improved.

A method is presented for evaluating precipitation static (p-static) radiofrequency interference. The method comprises receiving an aircraft surface model and generating a p-static charging model for the aircraft surface model. A charge state of the p-static charging model is adjusted based on a charge dissipation model. An emitted power spectra from the aircraft surface model is determined based on the adjusted charge state. Electrostatic emissions coupling to an antenna are determined based on the emitted power spectra. A level of p-static radiofrequency interference is indicated based on the electrostatic emissions coupling to the antenna.

The invention provides a pipeline freezing resistance prediction method and system of an automatic sprinkler system. The method comprises the following steps: in a cold environment monitoring area, capturing an ice crystal growth vibration signal through an acoustic emission sensor, and synchronously associating real-time icing rate data; inputting a multi-scale long-short-term memory network, and outputting composite freezing features through a short-time-span memory unit and a long-time-span memory unit; the transmitting power and the modulation rate of the LoRaWAN node are adjusted in a self-adaptive mode, and the high-priority composite freezing characteristics and the geographic position codes of the corresponding pipe sections are transmitted to a far-end control center; ice crystal dynamic parameters and material stress parameters in the composite freezing characteristics are matched based on a pipeline material ice expansion coefficient database, the fracture risk probability of the specific pipe section is calculated, and a pipeline electric heat tracing gradient temperature rising strategy corresponding to the fracture risk probability is activated. According to the technical scheme provided by the invention, the cracking risk of the pipeline of the automatic water-spraying fire extinguishing system in the cold environment is accurately predicted and effectively reduced.

The invention discloses a Ku wave band transceiving SiP module which comprises a multilayer ceramic substrate, solder balls on the multilayer ceramic substrate, via holes penetrating through the multilayer ceramic substrate, keys and gold wires, the keys and the gold wires are arranged between the via holes and a transceiving chip, and the transceiving chip comprises four bidirectional amplifiers and a four-channel amplitude-phase multifunctional chip. The four bidirectional amplifiers are respectively connected with the four-channel amplitude-phase multifunctional chip and comprise a transmitting-receiving switch, a transmitting power amplifier of a transmitting channel, a receiving low-noise amplifier of a receiving channel and an amplitude limiter, and in a transmitting state, the four-channel amplitude-phase multifunctional chip controls the transmitting-receiving switch to work in the transmitting channel and controls the receiving low-noise amplifier of the receiving channel to work in the receiving channel; the transmitting power amplifier amplifies the radio frequency signal and outputs the amplified radio frequency signal; in a receiving state, the four-channel amplitude-phase multifunctional chip controls the transceiving switch to work in a receiving channel, the amplitude limiter limits the amplitude of the radio frequency signal, and the radio frequency signal is output after being amplified by the receiving low-noise amplifier. According to the invention, electromagnetic interference in the module can be reduced, and high efficiency, high reliability and high integration level of the module are realized.