86 results about "Antenna feeder" patented technology

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.

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.

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.

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.

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 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 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.

An antenna feeder water inflow tester belongs to the technical field of humidity sensors and comprises a tester shell, a microampere ammeter, an n-type connector and a battery, the microampere ammeter is connected with the tester shell, the n-type connector is arranged on the rear side of the tester shell, an antenna feeder is connected with the microampere ammeter in parallel through the n-type connector, and the battery is connected with the microampere ammeter. A button charger and a battery are arranged in the tester shell, a zero setting knob is arranged on the tester shell, the battery is connected with the button charger, the button charger is connected with the microampere-level ampere meter in parallel, and the zero setting knob is connected with the microampere-level ampere meter. The water inflow tester is used for detecting whether water enters an antenna feeder, the detection speed and accuracy are guaranteed, damage to an electric wire is avoided, and normal work of the antenna feeder is guaranteed.

The invention relates to an intelligent blind sidewalk information prompting brick which comprises a brick body and a rear cover, a mounting cavity and a mounting groove which are communicated are formed in the lower side face of the brick body, a penetrating through hole is formed in the brick body in the vertical direction, the through hole is communicated with the mounting groove, and the rear cover hermetically covers the mounting cavity and the mounting groove; the microwave transceiving assembly comprises a matrix antenna information point, a PCB antenna and a matrix antenna feeder, the matrix antenna information point is arranged on the upper side face of the brick body and located on the upper side of the through hole, the matrix antenna feeder is located in the mounting groove, one end of the PCB antenna is electrically connected with the matrix antenna feeder, and the other end of the PCB antenna penetrates through and is electrically connected with the matrix antenna information point; the information processing assembly is fixedly arranged in the mounting cavity, and the information processing assembly is electrically connected with the matrix antenna feeder; the energy storage power supply is fixedly arranged in the mounting cavity, and the energy storage power supply is electrically connected with the microwave transceiving assembly and the information processing assembly, so that accurate positioning and efficient guiding are realized.

Provided are an antenna feeder system, a base station, an antenna, an antenna control method and apparatus, and a communication system. The antenna feeder system comprises a first antenna and a second antenna which are arranged adjacent to each other. The first antenna comprises a first element array. The second antenna comprises a second element array and a frequency selection module. The second element array and the first element array are arranged in parallel and have different operating frequency bands. The frequency selection module is arranged between the first element array and the second element array and can switch between at least two filtering states. The at least two filtering states respectively allow electromagnetic waves having different frequency bands to be transmitted, and one filtering state among the at least two filtering states allows electromagnetic waves having the operating frequency band of the first antenna to be transmitted. According to the technical solution of the embodiments of the present application, when antenna deployment is performed in the antenna feeder system, the first antenna can be flexibly selected or replaced according to deployment requirements, thereby improving the flexibility of antenna deployment.

An electronic device includes a first conductor and a second conductor, where the first conductor is a part of a housing of the electronic device, and the second conductor is another part of the housing of the electronic device; and a closed-loop gap is between the first conductor and at least a part of the second conductor, and the first conductor includes a feeding point and a first grounding point; and includes an antenna feeder, coupled with the closed-loop gap for feeding or in a direct contact with the feeding point for feeding, where the closed-loop gap is configured to radiate a radio frequency signal, and at least a part of the first conductor is configured to radiate a radio frequency signal.

An antenna feeder posture adjusting device suitable for a linear coverage scene is characterized in that a front baffle (7) is fixed to the upper end and the lower end of the back of an antenna feeder (13) through fixing bolts (6), a clamping strip (5) is fixed to one end of the front baffle (7), and a rear baffle (4) is fixed to the other end of the front baffle (7) and the bottom of the clamping strip (5); the upper hoop (1) is hinged with a support arm (3), and the tail end of the support arm (3) is hinged with a rear baffle plate (4); and the lower hoop (2) is hinged with a rear baffle plate (4). According to the utility model, the azimuth angle, the downward inclination angle and the roll angle of the antenna feeder can be flexibly adjusted according to the actual application environment, thereby adapting to the coverage requirements of linear scenes.

The invention discloses a capsule endoscope. The capsule endoscope comprises a capsule endoscope shell, a capsule antenna, a radio frequency module, a first imaging module, a processing module and a second imaging module. The capsule antenna comprises a cylindrical main body, a metal wire and an antenna feeder, the cylindrical main body is formed by winding a flexible dielectric substrate, and the metal wire is arranged on the flexible dielectric substrate. And one end of the antenna feeder is electrically connected with the metal wire. The radio frequency module corresponds to the first side opening of the cylindrical main body. The radio frequency module is electrically connected to the antenna feeder. The first imaging module is located on the side, away from the cylindrical body, of the radio frequency module. The first imaging module is electrically connected to the radio frequency module. The processing module corresponds to the second side opening of the cylindrical main body. The processing module is electrically connected to the radio frequency module. The second imaging module is located on the side, away from the cylindrical body, of the processing module. The second imaging module is electrically connected to the processing module. The antenna not only has the advantages of high radiation efficiency and omnidirectional radiation, but also can reduce the occupation of internal space.

To provide a power receiver which is used in a wireless power supply system, is adapted to various radio wave environments, and can be miniaturized.SOLUTION: The receiver includes an antenna, a feeder, a rectifier circuit, and a switching unit. The antenna is made of a conductor having a predetermined width and has an annular shape. The feeder is attached to a plurality of positions in the antenna. The rectifier circuit rectifies a power feeding signal received by the antenna and supplied from any of the plurality of feeders. The switching unit connects one of the plurality of feeders to the rectifier circuit and switches the feeder to be connected to the rectifier circuit.SELECTED DRAWING: Figure 3

This invention proposes a multi-port integrated antenna, including an antenna mount, two RF connectors, an antenna body, two radiating components, and a choke. Both RF connectors are housed within the antenna mount. The antenna body is fixed to the antenna mount, and both radiating components are housed within the antenna body, spaced apart along the axial direction of the antenna body. The choke is fixed within the antenna body and located between adjacent radiating components. One RF connector is electrically connected to the lower radiating component via a feed line, while the other RF connector is electrically connected to the upper radiating component via the feed line, passing through the choke. This antenna transmits or receives radio wave signals. By using a choke positioned between adjacent radiating components, through which the upper antenna feed line passes, coupling interference to the lower feed line is reduced, improving antenna performance stability. Reduced coupling does not affect gain, achieving multi-port integration and enhancing communication capabilities.

The invention provides a method for predicting the electromagnetic radiation intensity of a 5G base station based on multi-parameter coupling. Comprising the following steps: determining a 5G base station antenna emission coefficient according to related parameters of a 5G base station; determining the antenna electromagnetic output intensity according to the antenna emission coefficient in combination with the base station energy consumption, the antenna feed link transmission loss and the antenna array dynamic optimization capability; determining a linear loss coefficient according to the linear distance from the test point to the base station antenna and the working frequency of the base station; and according to the antenna electromagnetic output intensity, the linear loss coefficient and the antenna gain, the 5G base station electromagnetic radiation intensity at each prediction point location is determined. Therefore, by considering the influence of multi-parameter coupling in the 5G base station, the electromagnetic radiation intensity of the 5G base station is calculated, the actual electromagnetic radiation intensity of the 5G base station can be conveniently evaluated, and the accuracy of evaluating the actual electromagnetic radiation intensity of the 5G base station is improved.

The invention provides an antenna feeder adjusting method and device, equipment, a medium and a computer program product. The method comprises the following steps: extracting arrival angle data in measurement report information uploaded by a user; equally dividing the arrival angle data to obtain a plurality of target quadrant intervals; determining deviation angle adjustment information of each cell based on the sampling point number of each target quadrant interval; and adjusting the deviation angle of each cell based on the deviation angle adjustment information of each cell. According to the method, the antenna feeder adjustment scheme can be obtained by calculating and analyzing the arrival angle data reported by the user, field actual measurement is not needed, and the accuracy of antenna feeder adjustment is improved.

High-frequency antenna arrangement (25), RF antenna arrangement (25) for use with an RF printed circuit board (24), RF PCB (24), with a PCB ground plane (27), wherein the RF antenna arrangement (25) has a longitudinal axis (11) and comprises the following: an intermediate arrangement (30), comprising: a substrate (31) that is spaced apart from the HF-PCB (24) and has an upper main surface (21) and a lower main surface (121); an intermediate mass layer (32) applied to the lower main surface (121) of the substrate (31) and defining one or more apertures (28) along the longitudinal axis (11); a dielectric layer (34) applied to the intermediate mass layer (32); and a linear microstrip track (38) configured as an antenna feed line and arranged on the dielectric layer (34), wherein the linear microstrip track (38) is configured to guide incident RF energy with a predetermined frequency range along the longitudinal axis (11); a plurality of conductive columns (36) which electrically connect the PCB mass layer (27) to the intermediate mass layer (32) and structurally support the substrate (31), so that the RF energy propagating along the linear microstrip track (38) is coupled via one or more apertures (28) to the upper main surface (21) of the intermediate arrangement (30); and a load element (50) which is connected in series with the linear microstrip track (38) at one terminal end of the RF antenna arrangement (25).

The utility model discloses an antenna feeder on-line monitoring device based on a coaxial cable, comprising a master control device and a slave control device which are connected through a feeder line, the master control device and the slave control device are both powered by a power supply device, the feeder line adopts the coaxial cable, the other end of the master control device is connected with a transceiver, and the other end of the transceiver is connected with an antenna. The antenna feeder is used for testing and controlling, acquiring antenna feeder working state data information at the transceiver end and transmitting the antenna feeder working state data information to the remote monitoring terminal; the other end of the slave control device is connected with the transceiver antenna, and the slave control device receives commands of the master control device through the coaxial cable, collects working state data information of the transceiver antenna and transmits the working state data information to the remote monitoring terminal. The antenna feeder on-line monitoring equipment based on the coaxial cable adopts a whole set of automatic signal acquisition and processing equipment, can monitor scattered station antenna feeder systems, realizes communication radio frequency link monitoring and whole-process automatic recording of operation data, and provides effective support for station duty and operation and maintenance management.

This invention discloses a two-stage optimized antenna tuning method, apparatus, and storage medium. The method includes: establishing an initial mapping table between motor rotation angle and parameter values ​​of components in a tuning network; connecting a standard load to the output of the tuning network's theoretical model and traversing the initial mapping table to correct the mapping relationship between the motor rotation angle and component parameter values, resulting in a corrected mapping table; connecting the antenna feeder system to be matched to the output of the tuning network and performing a first-stage optimization on the given initial parameter values ​​of the components, with the minimum voltage standing wave ratio (VSWR) as the optimization objective, to obtain the first-stage optimization result of the component parameter values; determining the variable value range of the component parameter values ​​based on the first-stage optimization result of the component parameter values; controlling the motor to rotate to the motor angle corresponding to the variable value range based on the corrected mapping table; and performing a second-stage optimization on the component parameter values ​​corresponding to the frequency point, to obtain the second-stage optimization result of the component parameter values.