60 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.

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.

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).

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 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.

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.

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.

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).

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.

The application discloses a rotatable adjustable X-waveband antenna feeder system in the technical field of antenna feeder systems, which comprises an antenna mounting groove assembly, the antenna mounting groove assembly comprises an antenna mounting groove and a mounting hole which is arranged at the center of the outer side wall of the antenna mounting groove; an installation disc assembly, the installation disc assembly comprises an installation block which is arranged in the inner cavity of the antenna mounting groove, a rotating disc which is arranged on the end face of the installation block and on the side wall in the inner cavity of the antenna mounting groove through a bearing, and a connecting groove which is coaxially arranged on the end face of the rotating disc and penetrates through the installation block and corresponds to the mounting hole; and a driving mechanism, the driving mechanism comprises a motor which is arranged on the outer side wall of the antenna mounting groove and corresponds to the mounting hole, the motor drives the TR assembly to rotate, thereby adjusting the angle of the TR assembly, the antenna signal can be received at any angle, and the working performance of the X-waveband antenna feeder system is effectively improved.

The disclosure relates to a dual polarization antenna device (100) comprising: a planar radiator (110) arranged at an antenna radiator plane (120) spanned by two antenna symmetry axes (120a, 120b), each being associated with a polarization of a polarization characteristic of the antenna device. The planar radiator comprises four metallic parts (110a, 110b, 110c, 110d), each one arranged in a respective quadrant of the antenna radiator plane (120). The antenna device comprises two coplanar striplines (130, 140), each one arranged along a respective symmetry axis. Each coplanar stripline comprises two stripline sections (130a, 130b, 140a, 140b) coplanar arranged with respect to each other. Each stripline comprises two terminals and a feeding point (153, 156) between the two terminals. Each terminal is electrically connected to respective two of the four metallic parts of the radiator for feeding the radiator. The antenna device comprises two antenna feeding lines (160, 170) electrically connected to feed the radiator via the two coplanar striplines at the feeding points of the respective coplanar striplines.

Antenna system, comprehensive: a chamber shielded against electromagnetic waves; a loop-shaped transmitting antenna consisting of a metallic wire and arranged in the chamber shielded against electromagnetic waves such that a loop surface of the loop-shaped transmitting antenna faces a ground plane; a feed cable designed to feed an AM broadcast signal; wherein a feed wire of the feed cable is connected to the transmitting antenna and a ground wire of the feed cable is connected to the ground plane.

A deformation measurement method and a measurement device. The method comprises: when an antenna feeder is located at a first position, acquiring first carrier phases of a plurality of reference points and a first carrier phase of a point to be measured; when the antenna feeder is located at a second position, acquiring second carrier phases of the plurality of reference points and a second carrier phase of the point to be measured; determining antenna feeder sway displacement on the basis of position information of the plurality of reference points, the first carrier phases of the plurality of reference points, and the second carrier phases of the plurality of reference points; on the basis of the antenna feeder sway displacement and position information of the point to be measured, determining an antenna feeder sway phase of the point to be measured; and on the basis of the first carrier phase of the point to be measured, the second carrier phase of the point to be measured, and the antenna feeder sway phase of the point to be measured, determining a deformation phase of the point to be measured. The deformation measurement method can improve the accuracy of deformation measurement.

The application discloses a kind of base station antenna's tuning method, device and electronic equipment.Therein, the method includes: obtaining multiple types of acquisition data in the antenna feeder system;According to the distribution region of the measurement data in multiple types of acquisition data, create grid, and match measurement data with grid;From the grid, the grid that meets the first preset condition is determined as problem grid, and according to problem grid, determine problem area;Determine the target tuning scheme of the cell to be tuned corresponding to problem area, and determine the target tuning scheme of the cell to be tuned;According to target tuning scheme, generate tuning instruction, and send tuning instruction to base station, wherein, base station adjusts the angle of base station antenna according to tuning instruction.The application solves the technical problem that the optimization method of related technology in antenna feeder problem is mainly completed by artificial, there is low efficiency, and poor accuracy.

This invention discloses a tuning network matching method and apparatus based on neural network initial value guidance. The method includes connecting different standard loads to the output of the tuning network, calculating the impedance of the antenna feeder in each frequency band and the parameter values ​​of components in the tuning network, and constructing a dataset; training the neural network using the dataset to learn the mapping relationship between impedance and component parameter values, resulting in a trained neural network; using the trained neural network to obtain predicted parameter values ​​of the components based on the actual impedance of the antenna feeder in the target frequency band; determining the parameter search range of the optimization algorithm based on the predicted parameter values ​​of the components, and controlling the motor to rotate to the motor angle corresponding to the parameter search range according to a pre-stored mapping table; and performing iterative optimization with minimizing the standing wave ratio as the objective function to obtain the optimal parameter values ​​of the components.

This application relates to the field of communication technologies, and provides an antenna, an antenna feeder system, and a base station, to provide an antenna that can balance a beamforming capability and safety. The antenna includes a first antenna array and a second antenna array. The first antenna array and the second antenna array can rotate relative to each other. Therefore, the antenna provided in this application can balance the beamforming capability and safety in different wind force conditions by reducing an antenna surface area of the antenna.

Tunable electromagnetic filters and antennas are described. The tunable electromagnetic filters and tunable antennas comprise a transmission line or antenna feed line, an isolated conductor or semiconductor material, and a support structure supporting a mechanical or electromagnetic actuator. The mechanical or electromagnetic actuator moves the isolated conductor or semiconductor material, and tunes the resonance frequency of an electromagnetic resonator.

The invention relates to the technical field of electromagnetic measurement equipment, in particular to a movable electromagnetic measurement system three-dimensional motion frame and an electromagnetic measurement system. The frame comprises a trailer, a lifting mechanism, a pitching mechanism and an azimuth mechanism. The lifting mechanism realizes stable lifting of the antenna feeder system through a lead screw guide rod; the pitching mechanism realizes pitching motion through a triangular structure driven by an electric push rod; the azimuth mechanism drives a parallelogram structure composed of a connecting rod and an azimuth shaft through a single electric push rod, so that synchronous azimuth rotation of the double-side antenna feeder system is realized, and the problem of pointing deviation is fundamentally solved. The frame effectively solves the technical problems that an existing electromagnetic measurement system is inconvenient to move and low in integration level, and pointing deviation is prone to occurring during orientation adjustment. The electromagnetic measurement system is integrated with a movable electromagnetic measurement system three-dimensional motion frame, the problems that traditional equipment is scattered, deployment is slow, and pointing precision is not high are solved, and the efficiency and quality of field electromagnetic measurement tasks are improved.