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498 results about "Emission power" patented technology

Satellite terminal adaptive power adjusting system and method

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.
Owner:NAT INST OF NATURAL HAZARDS MINISTRY OF EMERGENCY MANAGEMENT OF CHINA

Multi-mode unmanned aerial vehicle cooperative interference control method and device, and medium

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.
Owner:BEIJING FUSION HSBC TECH CO LTD

Technologies for increasing output power

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.
Owner:APPLE INC

Stamping die process data processing method and system based on big data analysis

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.
Owner:DONGGUAN SHANGJIE PRECISION HARDWARE CO LTD

Selective beam modulation for radio frequency identification device readers

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.
Owner:T MOBILE INNOVATIONS LLC

Radio frequency (RF) front end envelope tracking with machine learning

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.
Owner:QUALCOMM INC

Method and device for reducing power consumption of satellite terminal and electronic equipment

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.
Owner:CHINA TELECOM CORP LTD SATELLITE COMMUNICATIONS BRANCH

Base station OTA intermodulation test method based on reverberation chamber

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.
Owner:THE STATE RADIO MONITORING CENT TESTING CENT

Standby power management system for power utilization information acquisition of power grid and control method

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.
Owner:MARKETING SERVICE CENT OF STATE GRID GANSU ELECTRIC POWER CO

Interference suppression and adaptive demodulation method and system for power frequency communication of low-voltage power line

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.
Owner:CHUZHOU POWER SUPPLY CO OF STATE GRID ANHUI ELECTRIC POWER CORP

Precipitation static aircraft model for antennas interference

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.
Owner:THE BOEING CO

Laser apparatus, emission module, lidar, and terminal device

A laser apparatus (121), an emission module (120), a lidar (100), and a terminal device, relating to the technical field of lidars. By means of providing laser emitting circuits (1211_1 to 1211_n) and switches (S1, S2, S3) in the laser apparatus (121), lasers (D1_1 to D1_n) in the laser emitting circuits (1211_1 to 1211_n) can be controlled to emit light. Furthermore, when the laser apparatus (121) is in a failure scenario, the switches (S1, S2, S3) can be controlled to cut off paths between a power supply (HV) and first capacitors (C1_1 to C1_n), such that the power supply (HV) is prevented from continuing to charge the first capacitors (C1_1 to C1_n) in the laser emitting circuits (1211_1 to 1211_n), thereby effectively dispersing energy in an internal capacitor (C0) of the power supply (HV) and the first capacitors (C1_1 to C1_n), reducing the light-emitting duration of the lasers (D1_1 to D1_n), and accordingly reducing the risk of the emission power and radiation intensity of laser pulse signals emitted by the lasers (D1_1 to D1_n) exceeding the AEL values required for human eye safety.
Owner:YINWANG INTELLIGENT TECHNOLOGIES CO LTD

Communication method and apparatus

The present application relates to a communication method and apparatus. A first apparatus generates a first PPDU. The first apparatus sends the first PPDU. A frequency domain resource corresponding to a first PPDU bandwidth comprises a frequency domain resource corresponding to a reference bandwidth, the frequency domain resource corresponding to the reference bandwidth is located at an edge of the frequency domain resource corresponding to the first PPDU bandwidth, and the reference bandwidth is less than the first PPDU bandwidth. The transmit power of the first PPDU on each tone among M tones is less than or equal to a first threshold, and the M tones belong to guard tones corresponding to the first PPDU bandwidth and do not belong to guard tones corresponding to the reference bandwidth. The M tones implement a function similar to that of guard tones, so that the guard tones corresponding to the reference bandwidth can meet the requirements of a tone plan corresponding to the first PPDU bandwidth.
Owner:HUAWEI TECH CO LTD

Power control method and device and electronic equipment

The embodiment of the invention provides a power control method, a power control device and electronic equipment, and specifically discloses a method comprising the following steps: acquiring a perception echo information sequence aiming at a specified coverage area and a first rainfall information sequence corresponding to the specified coverage area in a plurality of continuous time windows before the current moment, and specifying the location of the user equipment in the coverage area; based on the perception echo information sequence and the first rainfall information sequence, through a pre-trained rainfall time sequence prediction model, predicting a second rainfall information sequence of a specified coverage area in a next time window; determining the rainfall intensity of the specified coverage area in the next time window according to the second rainfall information sequence; based on the determined rainfall intensity and the position of the user equipment, determining propagation loss of electromagnetic waves sent by the communication base station to the user equipment in the next time window; and based on the propagation loss, determining the transmitting power of the communication base station for transmitting electromagnetic waves to the user equipment in the next time window.
Owner:CHINA MOBILE GROUP DESIGN INST +1

Laser cladding device

The utility model belongs to the technical field of laser processing, and discloses a laser cladding device which comprises a laser device and a shielding device fixedly arranged on the outer surface of the laser device, and the laser device comprises a powder feeding component, a laser component and an output port communicating with the powder feeding component and the laser component; the laser device is used for conveying powder provided by the powder feeding component and laser beams provided by the laser component through the output port; the shielding device is used for shielding or releasing an output port of the laser device to realize connection and disconnection of a laser beam and powder of the laser device; according to the laser cladding device, through the shielding device arranged on the outer surface of the laser device, the output port for conveying laser beams and powder can be shielded at the starting time and the ending time of laser processing; therefore, the feeding of the powder and the emission of the laser beam can be synchronously started and ended according to the target powder feeding rate and the target emission power, and the processing quality of the laser cladding device is improved.
Owner:GUANGDONG CSR RAIL TRAFFIC VEHICLE CO LTD +1

Power control method and device and related equipment

The invention discloses a power control method and device and related equipment, and belongs to the technical field of communication. The method is applied to the electronic equipment, the electronic equipment comprises a radio frequency link, and the radio frequency link comprises a power amplifier, a filter and an antenna port which are connected in sequence; the method comprises the steps that the working frequency of an antenna port and the first reference frequency corresponding to the frequency band range to which the working frequency belongs are acquired, and the first reference frequency is the passband edge frequency of a filter; determining a target frequency interval according to the first reference frequency, and adjusting the transmitting power of the power amplifier to be the maximum transmitting power under the condition that the working frequency is in the target frequency interval; or determining the target transmitting power of the antenna port according to the first reference frequency, and adjusting the transmitting power of the power amplifier according to the target transmitting power.
Owner:VIVO MOBILE COMM CO LTD

Communication method and device

The invention discloses a communication method and device. The method comprises: generating an uplink signal; sending an uplink signal to the second transmission point based on the uplink transmission power; wherein the uplink transmitting power is related to uplink path loss between the terminal equipment and the second transmission point; the uplink path loss is related to the downlink path loss between the first transmission point and the terminal equipment, the first offset and the second offset; the first offset is offset between an uplink path loss part between the terminal equipment and the second transmission point caused by the distance reason and a downlink path loss part between the first transmission point and the terminal equipment caused by the distance reason; the second offset is the offset between an uplink path loss part between the terminal equipment and the second transmission point caused by a non-distance reason and a downlink path loss part between the first transmission point and the terminal equipment caused by the non-distance reason. According to the method, the accuracy of an uplink path loss estimation result can be ensured in an NTN scene.
Owner:HUAWEI TECH CO LTD

Zero-emission power cycle and fuel gas supply system and method for LNG (Liquefied Natural Gas) power-driven ship

The invention provides a zero-emission power circulation and fuel gas supply system and method for an LNG power-driven ship. The system comprises an internal combustion engine, a nitrogen membrane separation device, a heat regenerator, a water separator, a liquid CO2 storage tank, a liquid oxygen pump, an LNG pump, an LNG storage tank, a liquid oxygen storage tank, a CO2 condenser, a circulation compressor, a gas buffer tank, a CO2 separator, a first-stage water cooler and a second-stage intermediate heat exchanger. According to the internal combustion engine, LNG serves as fuel, an argon and oxygen mixture serves as a circulating working medium to replace air and natural gas to be combusted and push a piston to move, water vapor and gas CO2 in waste gas generated by the internal combustion engine are condensed and separated after being subjected to stepped cooling, and CO2 is liquefied through a circulating compressor and recycled to a liquid CO2 storage tank. According to the invention, argon is used for replacing air to realize waste heat recovery of the internal combustion engine, so that the energy efficiency of the system is improved, and meanwhile, CO2 capture and zero emission of gaseous pollutants are realized.
Owner:HUDONG ZHONGHUA SHIPBUILDINGGROUP

Vehicle networking task unloading method and device, electronic equipment and storage medium

The invention provides a vehicle networking task unloading method and device, electronic equipment and a storage medium, and is applied to the technical field of vehicle communication, and the method comprises the steps: in each time slot, obtaining initial vehicle transmitting power, unmanned aerial vehicle position and communication link; optimizing the initial vehicle transmitting power, the unmanned aerial vehicle position and the communication link by taking maximization of the vehicle networking energy efficiency as an optimization target to obtain the optimized vehicle transmitting power, the unmanned aerial vehicle position and the communication link; and based on the optimized vehicle transmitting power, the unmanned aerial vehicle position and the communication link, assisting the vehicle to perform task unloading. According to the method, the vehicle transmitting power, the unmanned aerial vehicle position and the communication link are jointly optimized, energy efficiency maximization in the task unloading process is guaranteed from three dimensions, the network service requirement of the vehicle dynamic moving scene is met, and the network service quality can be guaranteed.
Owner:CHERY AUTOMOBILE CO LTD

Anode addressing drive circuit, addressable drive circuit, and laser emission circuit

This application discloses an anode addressing drive circuit, an addressable drive circuit, and a laser emission circuit. The anode addressing drive circuit includes: an anode addressing switch circuit, including an anode addressing switch element, where a first end is connected to an emission power supply, a second end of the anode addressing switch element is connected to an anode energy storage circuit, an anode addressing enabling end of the anode addressing switch element receives an anode addressing signal, and the anode addressing switch element is turned on or off under the control of the anode addressing signal; and an anode energy storage circuit, including an anode energy storage element and a current limiting element, where the anode energy storage element is configured to be charged through an output current of the emission power supply when the anode addressing switch circuit is turned on, and the current limiting element is configured to limit a current for charging the anode energy storage element.
Owner:SUTENG INNOVATION TECHNOLOGY CO LTD

Transmitting power configuration method and device, equipment, storage medium and product

The invention discloses a transmitting power configuration method and device, equipment, a storage medium and a product, and relates to the technical field of communication, and the method comprises the steps: determining a unified upper limit transmitting power according to a target overall electromagnetic radiation level value and a total number; generating a target power coordination strategy of each antenna according to the current application scene; and adjusting the unified upper limit transmitting power according to each power coordination strategy, and configuring the adjusted upper limit transmitting power for the corresponding antenna. Through the mode, the unified upper limit transmitting power is determined according to the target overall electromagnetic radiation level numerical value and the total number, and then the target power coordination strategy is generated according to the current application scene, so that an isolation decision mode among the communication units in the target communication module is broken, unified power management among the multiple communication units is realized, and the communication efficiency is improved. And then the adjusted upper limit transmitting power is configured for the corresponding antenna, so that the transmitting power configuration accuracy can be effectively improved, and the dual requirements of communication experience and compliance are ensured.
Owner:FIBOCOM WIRELESS

Power regulation method, processing module and electronic equipment

The invention provides a power regulation method, a processing module and electronic equipment. The power regulation method comprises the following steps: receiving a power regulation instruction transmitted by a first processing unit; the power regulation instruction is generated when the first processing unit monitors that the service mode of the first wireless communication module is changed; transmitting a power adjusting instruction to a second processing unit, so that the second processing unit adjusts the transmitting power of the second wireless communication module based on the power adjusting instruction; wherein in the process of adjusting the transmitting power by the second processing unit, the second wireless communication module is in communication connection with the external electronic equipment. According to the technical scheme, the transmitting power of the second wireless communication module can be dynamically adjusted based on perception of the service mode of the first wireless communication module.
Owner:扬州创达软件科技有限公司

Neighbor discovery method of directional antenna, readable storage medium and electronic device

The invention discloses a neighbor discovery method of a directional antenna, a readable storage medium and an electronic device, and belongs to the technical field of wireless communication, and the method comprises the steps: transmitting a signal at the maximum transmitting power, randomly scanning all beam directions, obtaining neighbor information of a discovered node, and recording the number of time slots for discovering all neighbor nodes; if the neighbor node is found, repeatedly reducing the transmitting power, randomly scanning all beam directions, updating the neighbor direction in the neighbor information, and stopping scanning when the scanning time slot reaches the time slot number; and if no neighbor node is found when scanning is stopped, stopping repeated execution. A terminal program for executing the method is stored in the readable storage medium. The electronic device comprises a memory, a processor and a computer program for executing the method. According to the invention, the main lobe direction and the side lobe direction can be distinguished without prior information, the main lobe alignment is ensured, the main lobe beam direction is accurately judged, the energy consumption required by subsequent communication is reduced, and the stability of a communication link is improved.
Owner:INST OF ELECTRONICS ENG CHINA ACAD OF ENG PHYSICS

Drift-free spectrometer system using wavelength

A spectrometer apparatus (110) and method of obtaining spectroscopy information about at least one object (112) are disclosed. The spectrometer device (110) comprises: i. At least one light source (114) for generating illumination light (116) for illuminating an object (112), the light source (114) comprising at least one light emitting diode (118) and at least one luminescent material (120) for light conversion of primary light generated by the light emitting diode (118), the light source (114) having a wavelength dependent emission power; ii. At least one detector (128) configured for detecting the detection light (130) from the object (112) and for generating at least one detector signal S [lambda] at at least one wavelength [lambda] and at least one reference detector signal R corresponding to a predetermined calibration wavelength range in which the at least one detector signal S [lambda] and the at least one reference detector signal R are coupled to the object (112); the light source (114) exhibits a minimum transmit power variation over temperature; and iii. At least one evaluation unit (136) configured for evaluating the detector signal S [lambda] and for deriving from the detector signal S [lambda] spectroscopy information about the object (112) wherein the evaluation unit (136) is configured for correcting a temperature-dependent drift of the detector (128) in the detector signal S [lambda] by using the reference detector signal R.
Owner:TRINAMIX GMBH

Ultra-large array plane radar satellite decoupling vacuum thermal test method

The invention provides an ultra-large array plane radar satellite decoupling vacuum thermal test method, which comprises the following steps of: arranging a satellite and radar antennas in a vacuum tank, detaching the radar antennas from the satellite, arranging the radar antennas on one side of the satellite side by side, and respectively arranging infrared simulation devices around the satellite to simulate external thermal flow; a wave absorbing device is arranged on an antenna array plane to absorb microwaves and simulate external heat flow, the power level of an infrared simulation device is adjusted according to the heat radiation level of the satellite surface, the power level of the wave absorbing device is adjusted according to the microwave emission power and the heat radiation level of the antenna array plane, and a vacuum thermal test is performed on the satellite and the antenna. According to the invention, vacuum thermal tests on a satellite and a radar antenna due to an overlarge antenna array plane can be avoided, a whole-satellite microwave wireless emission state test can be carried out, extremely high-risk operation caused by hanging and unfolding in an antenna tank is avoided after the antenna and the satellite are decoupled, the tank occupation period of links such as test state establishment and withdrawal is greatly shortened, and the test efficiency is improved. And the model development efficiency is improved.
Owner:SHANGHAI INST OF SATELLITE EQUIP

Laser power control device and method, computer equipment, readable storage medium and program product

The invention is applied to the technical field of automatic control, and relates to a laser power control device and method, computer equipment, a readable storage medium and a program product. The device comprises a spectroscope which is used for carrying out light splitting on a laser processing signal of a laser transmitter to obtain a target laser signal; the photoelectric sampling module is used for converting the target laser signal into a voltage pulse signal; the data processing module is used for converting the voltage pulse signal into a digital pulse signal and detecting pulse signal energy information of the digital pulse signal; and the upper computer is used for controlling the laser transmitting power of the laser transmitter according to the pulse signal energy information. The device can support accurate control of laser power.
Owner:HANS CNC SCI & TECH

Tunable antenna assembly, antenna tuning method and wearable device

The application discloses a tunable antenna assembly, an antenna tuning method and a wearable device. The tunable antenna assembly comprises a substrate, an antenna body and a driving assembly. The substrate is provided with a signal feed point and a ground feed point. The antenna body is electrically connected with the signal feed point and the ground feed point. The driving assembly is drivingly connected with the substrate and / or the antenna body, and is used for driving the substrate and / or the antenna body to move, so as to adjust the relative position between the antenna body and the signal feed point and the ground feed point. The application drives the substrate and / or the antenna body to move through the driving assembly, adjusts the relative position between the antenna body and the signal feed point and the ground feed point, changes the resonance point of the antenna body, and then adjusts the working frequency band of the antenna body, so that the working frequency band of the antenna body is matched with the working frequency band of a base station. Through the adjustment of the relative position between the antenna body and the signal feed point and the ground feed point, the preset radiation efficiency can be achieved at different working frequency bands, the emission power of radio frequency signals is reduced, and the power consumption of an electronic device is reduced.
Owner:GEER TECH CO LTD

An antenna device

ActiveCN116799492BDipoleRadiation
The application discloses an antenna device, comprising: a connecting part for connecting with a transmission line of an external device; a grounding part for connecting with the ground of the external device; a first power dividing line connected with the connecting part; a second power dividing line connected with the grounding part; and multiple groups of dipoles; the first power dividing line comprises multiple parallel first connecting branches, and the second power dividing line comprises multiple parallel second connecting branches; each group of the dipoles comprises a first radiation surface and a second radiation surface, the first radiation surface of each group of the dipoles is connected with one of the first connecting branches, and the second radiation surface of each group of the dipoles is connected with one of the second connecting branches, so that the multiple groups of dipoles realize parallel feeding. The antenna device of the application is used for improving the horizontal direction radiation performance of the antenna device without enhancing the transmission power of the antenna device, and enhancing the transmission distance of the antenna device.
Owner:CHANGZHOU KETEWA ELECTRONICS