128 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.

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 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.

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).

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.

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 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 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.

The invention discloses a system and a method for measuring celestial body radiation noise based on an idle channel of a GNSS (Global Navigation Satellite System) receiver, relates to the crossing field of satellite navigation and radio astronomy detection, fully utilizes the idle channel in the receiver, realizes function expansion through firmware and algorithm upgrading, and does not need to add radio frequency hardware. This means that the idle channel and the navigation channel share the same radio frequency link in the links of the antenna, the feeder line, the low noise amplifier, the down-conversion and the like, so that the noise measurement result is consistent with the real observation condition. The deep fusion of navigation and scientific detection is realized, the baseband output is converted into a real-time radio radiation detector through statistical analysis, and the time sequence data of the equivalent noise temperature of the antenna can be continuously acquired. The data can be directly used for tasks such as sun storm monitoring, moon brightness temperature measurement, space background radiation change analysis and the like, and a real-time data source is provided for radio astronomy, space weather monitoring and planetary scientific detection.

1. The name of the design product: spaceborne antenna feeder device (QV frequency band). 2. The use of the design product: the design product is used for realizing the functions of inter-satellite communication and satellite-ground feeder in time. 3. The design points of the design product: the overall shape of the product. 4. The picture or photo that best indicates the design points: perspective view.

The application discloses a kind of adhesion manufacturing methods of missile-borne dual-polarized dual-band integrated antenna assembly, it is related to radar electronic antenna feeder subsystem manufacturing technical field, comprising the following steps: step one: process multiple recesses on a shell, and in multiple recesses are all point coating conductive glue;Step two: insert Ku / Ka frequency band elastic connector in multiple recesses, and the interconnection of shell and elastic connector is completed by curing process;Step three: lay integrated conductive glue film on integrated antenna microstrip board, and install positioning pin;Step four: integrated antenna microstrip board is installed on shell by positioning pin, assembled to glue joint tooling;The application realizes the multidimensional interconnection of dual-polarized antenna assembly at lower temperature by conductive glue and conductive glue film, with high integration and high reliability;And the missile-borne dual-polarized dual-band integrated antenna assembly can be used in Ku / Ka dual, since microstrip antenna ground is continuous, standing wave can be realized ≤1.5, and millimeter wave use range electrical performance is excellent.

The present application relates to a kind of low profile composite material strip line antenna unit, Ku band array antenna, belong to radar and communication antenna field.Antenna unit includes polyimide single-sided copper-clad plate, PMI polymethacrylimide foam, polyimide single-sided copper-clad plate, PMI polymethacrylimide foam and polytetrafluoroethylene glass cloth double-sided copper-clad plate, six layers of different thickness plane material are made by bag pressure high temperature gluing.The upper layer polyimide copper-clad layer corrosion octagonal hole is used as the aperture of antenna unit radiation, polytetrafluoroethylene glass cloth double-sided copper-clad layer and metallized via array constitute the radiation cavity of antenna unit, the middle layer polyimide copper-clad plate is used as antenna feeder, and pentagonal patch is stretched into radiation cavity resonance, and electromagnetic wave is radiated through the aperture of upper layer.The present application has the characteristics of light weight, low profile, wide bandwidth, small loss, easy processing and the like by composite material strip line feed.

The invention provides a method and a device for adjusting a cell azimuth angle, electronic equipment and a storage medium, and relates to the technical field of wireless communication. A correlation parameter set is calculated according to sampling point data and a target included angle; the attribution correlation cardinal number, the service volume correlation cardinal number, the coverage intensity correlation cardinal number and the focus deviation degree weight are accurately calculated, and the correlation accuracy of the grid and the cell to be adjusted at different angles is measured. And the comprehensive correlation index is calculated based on the correlation parameter set, so that the comprehensive correlation of the grid relative to the to-be-adjusted cell is accurately measured. Based on the comprehensive correlation indexes of all grids, the method achieves the accurate calculation of the rationality index of the antenna feeder, and provides a unified measurement standard for the measurement of the rationality of the antenna feeder of the to-be-adjusted cell and the adjustment of the subsequent azimuth angle. And the rationality and accuracy of adjusting the azimuth angle of the cell are improved.

The utility model relates to a compact automatic portable antenna which comprises a triangular supporting leg, a rotary table assembly arranged on the triangular supporting leg and an antenna feeder assembly arranged at the top of the rotary table assembly and used for receiving satellite signals sent by at least one satellite and adjusting the direction of the antenna under the control of different control signals. And the turntable assembly is used for driving the antenna feeder assembly to rotate relatively. According to the utility model, all the components are assembled and disassembled without tools and are connected and fastened by adopting the quick-assembly handle; the compact automatic portable antenna collection is small in overall size, can be quickly deployed, and is convenient to carry; the antenna structure is simple in overall structure, few in external cables, attractive and reliable.

The invention discloses a communication antenna feeder connection structure, and belongs to the field of wireless communication equipment, the connection structure comprises a cable connector arranged at the end of a feeder and an antenna interface seat fixedly connected with an antenna port, a contact hole is installed in the cable connector, a contact pin is installed in the antenna interface seat, and the contact pin is connected with the cable connector. The cable connector is inserted into the antenna interface seat, the contact hole is electrically connected with the contact pin, a sleeve is slidably installed on the outer side wall of the antenna interface seat, the diameter of the inner wall of the sleeve is matched with the diameter of the outer wall of the cable connector, and a clamping sleeve matched with the outer wall of the sleeve is fixedly installed on the outer side wall of the cable connector. The outer wall of the sleeve is sleeved with the clamping sleeve, and the clamping sleeve is provided with an elastic clamping mechanism used for locking the sleeve. According to the connection structure, multiple rotation actions needed by threaded connection are abandoned, rapid connection and separation are achieved, and the installation and maintenance efficiency is greatly improved.