156 results about "Antenna feeder" patented technology

A calibration system includes a beamformer lattice including at least a first beamformer, the first beamformer corresponding to a first subset of antenna cells of a plurality of antenna cells including a plurality of feed lines extending between the first beamformer and each of the first subset of antenna cells, and the first beamformer including a first calibration section for comparing a reference signal to a non-reference signal; and a first calibration line corresponding with the first beamformer, wherein the first calibration line is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a first antenna feed line for comparison with a first non-reference signal (Rx) in the first beamformer, and / or wherein the first calibration line is configured to deliver a second non-reference signal (Tx) from a second antenna feed line for comparison with a second reference signal (mRx) in the first beamformer.

The invention discloses a PCBA board assembling production line of a TCU controller. The PCBA board assembling production line comprises a first conveying line for conveying a carrier and a PCBA board, and a shielding cover assembling machine, a cable assembling system, an antenna assembling system and a fan assembling machine which are sequentially arranged in the conveying direction of the first conveying line. The cable assembling system comprises a cable assembling machine for assembling a cable on the PCBA board, a cable pressing machine for pressing a female head at the end part of the cable on the PCBA board, and a cable detection device for detecting the assembled cable; the antenna assembling system comprises an antenna feeding machine, an antenna assembling machine for assembling an antenna on the PCBA board, an antenna welding machine for welding the antenna on the PCBA board and an antenna detecting machine for detecting the welded antenna. According to the assembly line, shielding cover assembly, cable assembly, antenna assembly and fan assembly on the PCBA board are integrated, assembly operation of the PCBA board is achieved through the whole production line, the automation degree of assembly is improved, and the production efficiency is further improved.

A display device includes: a substrate; a first sensor electrode and a second sensor electrode disposed on the substrate; an antenna electrically separated from the first sensor electrode to transmit and receive radio frequency signals; and an antenna feed line electrically connected to the antenna pattern.

A transceiver device, including a multi-antenna feeder array and a reconfigurable intelligent surface (RIS), where the multi-antenna feeder array includes a plurality of active antennas configured to transmit electromagnetic radiation based on a data stream pre-coded with a pre-coder. The RIS includes a plurality of passive antennas, each passive antenna is configured to receive the electromagnetic radiation from the multi-antenna feeder array and to re-transmit the received electromagnetic radiation with a respective adjustable phase shift. The transmission from the plurality of active antennas of the multi-antenna feeder array to the plurality of passive antennas of the RIS is defined by a transmission matrix, where the multi-antenna feeder array is configured to generate the pre-coder based on one or more generalized eigenvectors of the transmission matrix.

The invention provides an antenna system and a base station antenna feeder system. The antenna system comprises a first frequency band radiation unit array, a frequency selection surface and a second frequency band radiation unit array which are arranged in sequence, that is, the frequency selection surface is arranged between the first frequency band radiation unit array and the second frequency band radiation unit array. The frequency selection surface is used for reflecting signals of the first frequency band radiation unit array and transmitting signals of the second frequency band radiation unit array. The phase shifter is connected with the first frequency band radiation unit array so as to be used for feeding the first frequency band radiation unit array. The phase shifter comprises a cavity, the cavity is arranged at the edge of the frequency selection surface, and the first extension direction of the cavity is consistent with the second extension direction of the first frequency band radiation unit array. The antenna system at least comprises the radiation unit arrays of the two frequency bands, the signal quality of the antenna system is good, and the integration level is high. Further. The radiation unit arrays of different frequency bands can be independently evolved.

The invention relates to the technical field of satellite communication, and discloses a parabolic antenna pointing prediction and tracking method of an inter-satellite communication antenna servo system, which comprises the following steps of: acquiring current attitude measurement data of an antenna and a signal quality parameter of a communication link; calculating a link health degree index according to the signal quality parameter of the communication link; dynamically adjusting a process noise covariance matrix in an extended Kalman filtering model for state prediction based on the link health degree index; performing optimal state estimation on the pointing state of the antenna at the future moment by using an extended Kalman filtering model of the dynamically adjusted process noise covariance matrix; and generating and executing a servo control instruction according to the optimal state estimation. According to the method, the actual quality parameter of the communication link is quantified into the health degree index to dynamically adjust the process noise covariance of the prediction filtering model, and the robustness and tracking precision of the system under complex disturbance are improved.

The present application relates to the technical field of communications, and provides an antenna, an antenna feeder system and a base station, for providing an antenna capable of considering beamforming capability and safety. The antenna comprises a first antenna array and a second antenna array, and the first antenna array and the second antenna array can rotate relative to each other. Therefore, according to the antenna provided by the present application, under different wind conditions, the beamforming capability and safety are considered by reducing the surface area of the antenna.

The utility model discloses a channel processing module based on an HF / VHF dual-band autonomous frequency selection communication system, which comprises an antenna feeder unit, a radio frequency receiving channel, an MCU module, a frequency transmitting channel and a post-stage power amplifier unit which are sequentially connected, the front end of the radio frequency receiving channel is provided with a high-speed numerical control sub-band filter, and the channel processing module is also provided with an AGC composed of an LNA, a fixed attenuator and a step attenuator. The LNA and the fixed attenuator form-10dB,-20dB, 0dB and + 15dB gain attenuation circuits, the AGC controls two SP4T to switch, the stepping attenuator is a digital control variable 1dB stepping attenuator, the transmitting frequency path is provided with an ALC formed by a voltage-controlled variable gain amplifier and a low-distortion amplifier, and the variable gain amplifier provides-14dB-+ 17dB radio frequency signal adjustment. According to the utility model, a zero intermediate frequency scheme is adopted, signals are directly converted from RF to baseband, intermediate frequency modulation is not needed, the circuit is simple, the control is flexible, the stability and reliability are high, the development and production cost is low, the circuit can be used after assembly, and repeated debugging is not needed.

A calibration system includes a beamformer lattice including at least a first beamformer, the first beamformer corresponding to a first subset of antenna cells of a plurality of antenna cells including a plurality of feed lines extending between the first beamformer and each of the first subset of antenna cells, and the first beamformer including a first calibration section for comparing a reference signal to a non-reference signal; and a first calibration line corresponding with the first beamformer, wherein the first calibration line is configured to deliver a first reference signal (mTx) from the first beamformer to be received by a first antenna feed line for comparison with a first non-reference signal (Rx) in the first beamformer, and / or wherein the first calibration line is configured to deliver a second non-reference signal (Tx) from a second antenna feed line for comparison with a second reference signal (mRx) in the first beamformer.

The invention relates to the technical field of wireless communication networks, and discloses communication equipment, a communication control method, electronic equipment and a readable medium. According to the communication equipment, the equalization circuit with the signal equalization function is added between the power amplifiers and the antenna array of the base station antenna feeder system, the equalization circuit can divide one signal sent by the unclosed power amplifier into two paths when one power amplifier is closed, and the two paths of signals are sent by the other unclosed power amplifier. Therefore, the port of the feed network corresponding to the closed power amplifier and the antenna unit can obtain the signal, so that the mobile equipment in the cell served by the antenna unit corresponding to the closed power amplifier can normally communicate.

The invention provides a phase shifting system, a base station antenna and a base station antenna feeder system. The phase shifting system comprises a phase shifting device, a main feeder line and a first transmission line. The phase shifting device is provided with an input port and an output port, the first output end of the main feeder line is connected to the input port, the input end of the first transmission line is connected to the output port, and the output end of the first transmission line is used for being connected with an antenna unit. The main feeder line and the first transmission line are both made of metal. According to the antenna, the main feeder line and the first transmission line are both made of metal, compared with a coaxial line and a metal plate transmission line made of a metal material, processing and manufacturing are convenient, long-distance signal transmission can be achieved, meanwhile, under the condition of long-distance signal transmission, the metal material transmission line has small loss, and the radiation performance of the antenna is improved.

A helix antenna structure includes loop antennas and a multilayered printed circuit board including printed circuit board layers. Each printed circuit board layer includes a peripheral loop antenna and each adjacent two loop antennas are electrically connected by a connection bridge functioning as a monopole antenna. A selected printed circuit board layer physically and electrically accommodates a transmitter inside ‘its’ peripheral loop antenna, and it further includes a first antenna feeding line which is connected to the loop antenna that is disposed on the selected printed circuit board layer and electrically connectable to a first output terminal of the transmitter. A second antenna feeding line is disposed on another printed circuit board layer and electrically connected to its loop antenna and connectable to another output terminal of the transmitter. The two antenna feeding lines lie in a plane perpendicular to an axis of the printed circuit board after its folding.

This invention discloses an integrated monitoring system and method for temperature, humidity, and power parameters of an antenna feeder system, belonging to the field of communication equipment monitoring technology. It includes a data acquisition module for acquiring relevant data of the antenna feeder, including the temperature of key components such as parallel twin lines, coaxial cables, microstrip lines, and waveguides, and generating a temperature database. A data processing module is used to construct a temperature matrix based on the temperature database. The construction steps include differentiating the humidity levels in the area where the antenna feeder is located, including identifying the most frequently occurring humidity levels in the area, and providing a humidity range based on the humidity, including humidity levels less than or greater than 3%. This invention achieves real-time early warning and scientific verification of operational anomalies by acquiring and analyzing temperature data of key components of the antenna feeder, identifying thermal risk areas based on humidity conditions, quantifying the impact of temperature changes on power in real time, and setting risk thresholds.

The utility model belongs to an inertial navigation system, and particularly relates to an inertial navigation system antenna feeder circuit, which comprises an inertial navigation system and at least two antenna feeder circuits adopting differential signal transmission, and each antenna feeder circuit comprises a feed power supply, an anti-surge module, an anti-backflow module, an isolation module and an anti-static module, the output end of the inertial navigation system is connected with the input end of the feed power supply, the output end of the feed power supply is sequentially connected with the anti-surge module, the anti-backflow module, the isolation module and the anti-static module, and a multi-stage protection link is generated; the multi-stage protection link is integrated on an independent daughter board and is externally connected with a main control board through a metalized connector; the anti-surge module is used for inhibiting voltage impact; the anti-backflow module is used for preventing current from flowing reversely; the isolation module is used for noise isolation; the anti-static module is used for releasing electrostatic charges. The antenna feeder circuit of the inertial navigation system can solve the problem that the antenna feeder circuit of the inertial navigation system in the prior art is weak in protection against power supply surge and electrostatic interference.

A radio antenna feeder structure comprises a feeder body, a first connector and a second connector, the first connector and the second connector are fixedly arranged at the two ends of the feeder body, and the feeder body comprises an inner conductor, a first shockproof layer, an insulating layer, an outer conductor and a sheath which are arranged from inside to outside. The feeder body is connected with the second connector through a rotary joint, the outer side of the feeder body is sleeved with a plurality of fixing assemblies, and the feeder body is fixedly connected with the radio through the fixing assemblies. According to the utility model, the stability of the antenna feeder can be improved, and the loss of signal transmission is reduced.

The application discloses a positioning method based on asynchronous TDOA and double-antenna base stations, which obtains the time difference of arrival (TDOA) of a ranging signal sent by a target node to reach two antennas on a base station, and then obtains a distance difference, so as to calculate the position coordinates of the target node. The method uses three double-antenna base stations, the length of the antennas can be adjusted according to needs, and the lengths of the two antenna feeders of the same base station are equal. When deployed, the antenna feeders of the three double-antenna base stations are parallel to the xyz coordinate axes. The method uses asynchronous base stations, and greatly reduces the implementation complexity and cost of the system. When solving the position coordinates of the target node, a unique solution can be obtained according to the geometric characteristics of the model and the spatial constraint conditions of the three distance differences. A large number of simulations and tests show that the method can achieve high positioning accuracy within the communication coverage range, and has broad application prospects in low-power wide-area networks (LPWAN).

The utility model relates to the technical field of wireless communication and radio frequency testing, and particularly discloses a short wave emission and antenna feeder system on-line detection device which comprises a front end detection module, a rear end detection module, a concentrator and a monitoring platform, and the front end detection module comprises a bi-directional coupler, a power measurement module, an acquisition module and a communication transmission module. According to the technical scheme, forward and reverse power of the output end of the transmitter and the input end of the antenna are measured on line through the front-end detection module and the rear-end detection module, working states of the transmitter, a transmission feeder line and the antenna are monitored in real time, an alarm can be given in time when a fault occurs, a platform is monitored in real time to record measurement data, and transmitting power query and backtracking functions are achieved. By analyzing and comparing the data, soft faults such as performance reduction of equipment can be found, workers can be reminded of timely processing, full-band forward and reverse power of an antenna end is measured in a frequency scanning mode, a full-band standing wave curve of the antenna can be obtained, the optimal working frequency is selected according to the standing wave curve during working, and the communication quality is improved.

1. The name of this design product: Handheld antenna and feeder tester. 2. Purpose of this design product: This design product is used for testing antenna feeder systems of various communication base stations. 3. The key point of the design of this product lies in its shape. 4. The picture or photo that best illustrates the design points: three-dimensional picture.

1. The name of the product of this design: comprehensive tester (portable). 2. Purpose of this design product: This design product is configured with a combination of multiple different modules based on the PXIe standard interface to achieve communication signal generation, analysis and detection, vector network analysis, antenna and feeder line testing, audio signal analysis, digital waveform acquisition and display, and radio signal field strength measurement and positioning functions. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the design points: Stereoscopic diagram 1.

A communication apparatus includes a power generation assembly, wherein the power generation assembly includes a blade and a generator, and a rotating shaft of the blade is connected to the generator. The communication apparatus further includes an antenna, wherein the antenna includes a reflection plate and a radiation feed, the reflection plate is configured to reflect a signal of the radiation feed, the reflection plate has a hollow structure, a rotation radius of the blade is greater than a maximum distance between an outer edge of the reflection plate and a rotation axis of the blade. The communication apparatus further includes a fastening assembly, wherein the blade, the generator, and the antenna are mounted to the fastening assembly, and the fastening assembly is configured to mount the blade, the generator, and the antenna to a mounting bracket.

The invention discloses a transmitter antenna feeder overtemperature protector which comprises a main control unit, a switching power supply, a human-computer interface, a TCP / IP interface, an RS232 interface, a temperature sensing optical fiber and a detector. The temperature-sensing optical fiber clings and is fixed along the transmitter antenna feeder; the detector is connected with one end of the temperature-sensing optical fiber; the main control unit is connected with the switch through a TCP / IP interface to communicate with the detector, reads the temperature value of each temperature measurement point in real time, is in communication connection with the transmitter main controller, and sends a control instruction to close or reduce the transmitting power according to the temperature rise amplitude; the main control unit also has a data calibration function and is used for eliminating temperature deviation and processing temperature data by adopting a filtering algorithm; and the main control unit stores the processed temperature data in a local storage device in real time. According to the transmitter antenna feeder overtemperature protector, the temperature of each node of an antenna feeder system link is monitored in real time, an alarm is given out when the temperature rise is abnormal, a control instruction is sent to close or reduce the transmitting power, the transmitter is effectively prevented from being damaged, and safe broadcasting of radio and television is guaranteed.

An embodiment of the present invention provides a method, device, network device, and storage medium for optimizing antenna feeder parameters. In this antenna feeder parameter optimization solution, after determining that the reason for the poor VoLTE quality of the cell to be optimized is one of the preset reasons, an adjustment cell is selected, and then the target antenna feeder parameters for the adjustment cell are automatically determined, and the antenna feeder parameters of the adjustment cell are adjusted according to the target antenna feeder parameters. After the adjustment, the adjustment effect will be further evaluated to avoid the negative impact on VoLTE caused by improper adjustment. The processes of problem location, problem optimization, and optimization evaluation are fully automated without manual participation, which is beneficial to reducing the network operation and maintenance costs. At the same time, the automated antenna feeder parameter optimization solution has high optimization efficiency, can solve problems in a timely manner after VoLTE problems occur, reduce the impact of VoLTE problems on users' voice services, and is beneficial to improving the user experience.

A package structure is provided that includes a planar core structure including a first side and a second side opposite the first side. The package structure also includes an antenna structure disposed on the first side of the planar core structure. The antenna structure includes a plurality of first stacks, each first stack including a first patterned conductive layer formed on a first insulating layer, an antenna formed on one or more first patterned conductive layers of the first stack, the antenna including at least one L-shaped structure. The package structure also includes an interface structure disposed on the second side of the planar core structure, and an antenna feed structure formed in the interface structure and the planar core structure and routed through the interface structure and the planar core structure, wherein the antenna feed structure is not connected to the planar antenna.

The invention discloses an antenna feeder design method and device, a medium and computing equipment, and the method comprises the steps: constructing a series-parallel antenna feeder circuit based on a transmitting antenna model and a preset connection rule; the series-parallel antenna feeder circuit comprises a load resistor to be tested and an impedance matching resistor to be tested; determining the resistance value of the load resistor to be measured based on the antenna power capacity of the transmitting antenna and the balance principle; based on the resistance value of the to-be-tested load resistor and the impedance matching principle, determining the resistance value of the to-be-tested impedance matching resistor; and obtaining an application antenna feeder circuit based on the resistance value of the load resistor to be measured and the resistance value of the impedance matching resistor to be measured. The invention aims to solve the technical problem that the impedance between the existing antenna feeder and the transmitting antenna is not matched.

The invention provides a printed high-isolation multi-feed antenna. A multi-feed antenna apparatus includes a monopole antenna having an antenna portion, a first antenna extension having a first length extending from the antenna portion, a second antenna extension having a second length extending from the antenna portion, the second length being less than the first length; the slot antenna comprises a first slot with a third length and a second slot with a fourth length, and the fourth length is larger than the third length; a first antenna feeder coupled to the monopole antenna; a second antenna feeder coupled to the slot antenna; and a ground plane common to the monopole antenna and the slot antenna.

The utility model discloses a satellite antenna transmission device capable of realizing overhead tracking, which belongs to the technical field of satellite antennas and comprises a base, an azimuth axis assembly, an inclined axis assembly and a pitch axis assembly. The azimuth axis assembly comprises an azimuth axis holder; the azimuth axis holder is rotationally connected to the base and rotates around the axis of the azimuth axis; the upper end surface of the azimuth axis holder is an inclined surface; the pitch axis assembly includes: a tilt axis holder; the inclined axis holder is rotationally connected to the inclined surface of the azimuth axis holder and rotates around an inclined axis; the antenna feeder assembly is connected with the tilt shaft holder through the pitch shaft assembly. According to the utility model, the pitching transmission angle can be increased under the condition that the overall height of the antenna is not increased or the area of the holder is not reduced, so that the pitching angle of the satellite antenna is within the range of 0-90 degrees, overhead tracking is realized, and the use requirements of the satellite antenna under various working conditions and in various regions are met.

The invention discloses a ground signal receiving method, device and equipment based on a vehicle-mounted multimedia terminal and a storage medium, and relates to the technical field of vehicle-mounted multimedia communication.The method comprises the steps that under the condition that pairing with an unmanned aerial vehicle is completed, the flight radius of the unmanned aerial vehicle is calculated according to the length of an antenna feeder, and the unmanned aerial vehicle is provided with a ground antenna; the unmanned aerial vehicle is connected with the antenna feeder; the unmanned aerial vehicle is controlled to fly within the flight radius range, and real-time positioning information sent by the unmanned aerial vehicle is received; the signal intensity of the ground wireless broadcast signals and the real-time positioning information are recorded in an associated mode, a signal intensity-position information table is obtained, and the ground wireless broadcast signals are obtained through a ground antenna and an antenna feeder; and obtaining a target position corresponding to the maximum value of the signal intensity in the signal intensity-position information table, and controlling the unmanned aerial vehicle to move to the target position so as to receive the ground wireless broadcast signal. According to the invention, the vehicle-mounted multimedia terminal can stably receive the ground signal in the field.

A miniaturized broadband transmitting antenna for shipborne ground-wave radar and its debugging method are disclosed, comprising a hollow plastic cylinder, a metal radiating column, several quarter-wavelength metal wires corresponding to different frequencies, a variable inductor composed of a spiral metal wire, and an insulating and corrosion-resistant outer shell. The metal radiating column is wrapped around the hollow plastic cylinder; each quarter-wavelength metal wire is bent into a specific shape and wrapped around the metal radiating column; the bottom ends of the wires are connected together and then connected in series with a variable inductor composed of a spiral metal wire; the other end of the inductor is connected to the antenna feed port; the insulating and corrosion-resistant outer shell is the outermost layer of the antenna. The debugging method includes: bending the quarter-wavelength metal wires; successively adding quarter-wavelength metal wires; and using the variable inductor of the spiral metal wire to achieve impedance matching. The antenna and matching network in this invention can be integrated, solving the miniaturization problem of ultra-wideband transmitting antennas for shipborne ground-wave radar and simplifying impedance matching, making it easier to meet the requirements of engineering practicality.

The present invention relates to the technical field of ceramic antennas, and in particular to a ceramic antenna that is convenient for outdoor use. The present invention comprises a vertical pole, an antenna cover is fixed on the outer wall of the vertical pole, a base is fixedly installed on the bottom of the antenna cover, and a mounting plate is fixed on the outer wall of the vertical pole. The present invention provides a buffer component, and the tension of an elastic telescopic rod is provided to clamp two slide plates on both sides of the base, so as to provide support for the base, which is beneficial to maintaining the stability of the antenna cover. Subsequently, a clamp is used to fix and clamp one end of the antenna feed line close to the antenna cover, which is beneficial to maintaining the stability of the one end of the antenna feed line close to the antenna cover. When the antenna feed line shakes under the action of wind, the elastic force of the damping spring can reduce the moving distance of the ring, thereby reducing the shaking amplitude of the antenna feed line, which is beneficial to reducing the wear between the antenna feed line and the clamp, and at the same time, further improves the stability of the one end of the antenna feed line close to the antenna cover.

The invention discloses a short-wave broadcast antenna channel evaluation and prediction method, which comprises the following steps: step 1, accessing equipment: accessing channel evaluation equipment 5 into a broadcast system, connecting a short-wave broadcast transmitter 1, a radio frequency transmission system 3 and the channel evaluation equipment 5 to a radio frequency change-over switch 2, and connecting the output end of the radio frequency transmission system 3 to an antenna feeder 4; step 2, rotating the antenna to a specified orientation: rotating the antenna array plane of the broadcasting system to the specified orientation through antenna rotating equipment according to the area needing channel assessment; step 3, setting an equipment state: setting a radio frequency change-over switch 2 to a channel evaluation mode, setting a radio frequency transmission system 3, and setting a detection mode of channel evaluation equipment 5 to be a fixed frequency point detection mode or a sweep frequency detection mode according to specific task requirements; and 4, carrying out detection and channel evaluation. According to the invention, an active ionosphere oblique return type detection mode is adopted, and support is provided for broadcast frequency optimization selection, transmitting power control, antenna mode selection and broadcast effect evaluation.