842 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 relates to the technical field of wireless temperature measurement, and provides a wireless barbecue thermometer signal emission control method and a wireless barbecue thermometer. The signal emission control method comprises the following steps: determining whether the wireless barbecue thermometer is in a signal shielding state or not based on the change condition of the environment temperature under the condition of determining that the wireless barbecue thermometer is in a use state based on the food temperature and the environment temperature; and when the wireless barbecue thermometer is in the signal shielding state, adjusting the signal transmitting power of the power amplifier in a preset first power adjustment mode so as to increase the signal transmitting power of the wireless barbecue thermometer. By adopting the technical scheme, whether the wireless barbecue thermometer is in the signal shielding state or not can be judged according to the environment temperature change condition, and automatic adjustment of the signal transmitting power is realized in combination with the shielding state, so that the influence of signal shielding on signal transmission of the wireless barbecue thermometer can be reduced; and thus, the use experience of the user can be improved.

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 discloses an anti-interference method for an ultra-thin light curtain sensor, a sensor, a product and a medium, and relates to the field of light curtain sensors, the method comprises the following steps: an emitter emits infrared light beams in sequence according to an infrared light emitting array to form a detection light curtain; the receiver receives the infrared light beam and converts the infrared light beam into an electric signal to obtain an initial detection signal, the receiver removes an ambient light interference signal in the initial detection signal through band-pass filtering, and compares the filtered initial detection signal with a standard signal feature; the initial detection signals with the standard signal features exceeding a preset matching threshold value serve as effective detection signals, and when a target light path exists in the multiple light paths and the ambient light intensity detected by the receiving unit corresponding to the target light path exceeds a preset ambient light threshold value, the transmitter adjusts the transmitting power of the transmitting unit corresponding to the target light path. By implementing the method, the reliability of the detection result of the light curtain sensor can be improved.

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 relates to a closed-loop power control device based on power synchronous detection and multi-point compensation, and the device comprises a power meter which is used for detecting the transmitting power and the feedback power at the same time; the gain calculation module is used for calculating a transmission link gain compensation value according to the detected transmission power and feedback power; the first transmitting link gain compensation module is arranged at the front end of the pre-distortion processing module in the divergent link and is used for performing gain compensation on the pre-distortion processing module; the second transmitting link gain compensation module is arranged at the front end of a power amplifier in a transmitting link and is used for performing gain compensation on the power amplifier; and the control module is used for adjusting the compensation values of the first transmitting link gain compensation module and the second transmitting link gain compensation module according to the transmitting link gain compensation value. According to the invention, the power of the transmitting link and the power of the feedback link can be synchronously detected, and an enough gain adjustment range can be ensured.

The invention discloses a vehicle high-frequency electromagnetic radiation measurement method, device, equipment, medium and product, and relates to the technical field of vehicle test.The method comprises the steps that field uniformity verification is conducted on a whole vehicle electromagnetic reverberation chamber, it is determined that the field uniformity in a target frequency band meets the requirement, a tested vehicle needs to be parked in the whole vehicle electromagnetic reverberation chamber, and the tested vehicle needs to be parked in the target frequency band; all electric equipment which is not necessary for testing is closed by the vehicle; measuring the insertion loss of the whole vehicle electromagnetic reverberation chamber by using a vector network analyzer; performing a radiation emission test on the vehicle in the target frequency band, and receiving and recording test data by using an EMI receiver; and calculating the radiation emission power and the radiation field intensity of the vehicle based on the test data and the insertion loss.

The present invention relates to a camera monitoring system (CMS) for a vehicle, comprising: at least one camera configured to record a scene in a field of view (FOV) of the at least one camera; an image processing device configured to identify an object, in particular a living being or a person, in the scene recorded by the at least one camera; and a control device configured to provide information to be used for control of an infrared lighting device configured to emit infrared light to light up the scene in the field of view (FOV) of the at least one camera (28) in such a way that infrared light illuminating an object upon identification of the object is reduced to at least one predetermined permissible emission power and / or is deflected away from the object.

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.

A device for communication of an electric or hybrid vehicle with an electric charging station via at least one data line. The device has at least one transmitter and at least one receiver. The transmitter transmits on n frequency channels with a defined transmit power. The receiver receives power from the charging station for the n frequency channels. The device has a control unit to continue or terminate communication with the charging station depending on the received power. The transmitter is designed to be able to increase the transmit power for the n frequency channels. If the received power falls below a first threshold value, the transmit power of the transmitter is increased for the n frequency channels and the transmitter transmits again on all n frequency channels and the receiver again receives the power from the charging station, as well as an associated communication method.

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 relates to an efficient low-emission power plant combustor and a control system thereof. The combustor comprises a turbine body, a fuel tank, a tail gas tank, a gas mixing disc and the like, an outer shell in the turbine body is communicated with a combustion-supporting gas inlet bin and the combustion chamber, the fuel tank and the tail gas tank supply materials to the gas mixing disc, and fuel, combustion-supporting air and tail gas are mixed through the gas mixing disc and then combusted in the combustion chamber. The control system comprises a control module, a monitoring module, an adjusting module, a safety protection module and a communication module, the control module adopts a Siemens controller to achieve accurate control, the monitoring module monitors key parameters in real time, the adjusting module adjusts the air-fuel ratio, the safety protection module guarantees safety, and the communication module achieves remote monitoring. The combustor can improve the combustion efficiency and reduce pollutant emission, has intelligent control and safety guarantee, is suitable for the field of power generation of power plants, and meets the requirements for environmental protection and efficient operation.

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.

The invention relates to the technical field of personnel communication, in particular to a low-power-consumption vehicle-building cooperative communication method and system. A low-power-consumption vehicle-building cooperative communication system comprises a vehicle communication state data set construction module and a transmitting power adjustment module. According to the invention, the communication link is established for the vehicle within a certain distance range from the building node to realize vehicle-building cooperative communication, the vehicle communication state data set fed back by the vehicle is acquired, and the reflection power is adjusted based on the vehicle communication state data set fed back by all the vehicles, so that the vehicle-building cooperative communication is realized. On the premise that the communication quality of vehicles is met, the overall transmitting power of building nodes is reduced, and then the energy consumption of vehicle-building cooperative communication is reduced; and in the prediction process of the vehicle communication state, the vehicle communication state prediction model is adjusted based on the actual vehicle communication state information of the vehicles in a certain range, so that the short-time vehicle communication state prediction model obtained by training can fit the actual environment condition.

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.

The present application discloses a laser detection device and a manufacturing method thereof, which belongs to the field of laser detection technology, such as laser radar (Lidar). The device includes: a multi-phase signal generating circuit, an amplifier array and a laser array. The amplifier array includes a plurality of first amplifiers, and the laser array includes a plurality of laser emitters. The plurality of output ends of the multi-phase signal generating circuit are connected to the input ends of the corresponding first amplifiers, and the output ends of the plurality of first amplifiers are connected to the corresponding laser emitters. Among them, the multi-phase signal generating circuit is used to generate a plurality of target electrical signals with different phases, each first amplifier is used to amplify the target electrical signal, and each laser emitter is used to emit a first laser signal. Since the phases of the plurality of target electrical signals are different, the first laser signal has a strong anti-interference ability, which improves the accuracy of the detection distance. In addition, since the emission power of each laser emitter is small, the emission pulse width can be reduced.

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 relates to the technical field of new energy power systems, in particular to a new energy power system power flow optimization method based on carbon emission. Comprising the following steps: setting a plurality of first-level equipment points and a plurality of second-level equipment points according to equipment parameters of a to-be-scheduled area; generating a first-level scheduling strategy in the current scheduling period according to a preset scheduling model; an expected carbon emission curve of each primary equipment point is generated according to the primary scheduling strategy, and whether a correction instruction is generated or not is judged according to all the carbon emission curves; generating a secondary scheduling strategy in the current scheduling period according to the correction instruction and the scheduling model; the method comprises the following steps: establishing a scheduling model based on a cost optimization principle, carrying out optimization processing on daily operation scheduling of a power system, generating a primary scheduling strategy according to an optimization result, further calculating a carbon emission power flow in the power system and carbon emission of each equipment node according to the primary scheduling strategy, and adjusting the equipment node with excessive carbon emission, so as to complete the scheduling of the power system. Therefore, two-stage regulation of the power flow of the new energy power system is realized.

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 provides a control method, a radio frequency circuit and an intelligent terminal, and the method is applied to the radio frequency circuit, and comprises the steps: monitoring the transmission power and / or reflection power through a directional coupler; and when the transmitting power and / or the reflecting power meet a preset condition, controlling the transmitting power. According to the technical scheme, the specific absorption rate index function can be reduced, the human body approaching detection cost is reduced, the detection accuracy is improved, and then the user experience is improved.