CN115579637A - X wave band antenna feeder system capable of being rotationally adjusted - Google Patents

Abstract

The invention discloses a rotationally adjustable X-band antenna feeder system in the technical field of antenna feeder systems, which comprises: the antenna mounting groove assembly comprises an antenna mounting groove and a mounting hole formed in the center of the outer side wall of the antenna mounting groove; the mounting disc assembly comprises a mounting block arranged in the inner cavity of the antenna mounting groove, a rotary disc arranged on the end face of the mounting block and arranged on the side wall of 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 rotary disc, penetrates through the mounting block and corresponds to the mounting hole; 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 component to rotate, so that the angle of the TR component is adjusted, antenna signals can be received at any angle, and the working performance of the X-waveband antenna feeder system is effectively improved.

Description

X wave band antenna feeder system capable of being rotationally adjusted

Technical Field

The invention relates to the technical field of antenna feed systems, in particular to an X-band antenna feed system capable of being adjusted in a rotating mode.

Background

An antenna feeder is a short term antenna feeder system, and an antenna feeder system means that an antenna radiates electromagnetic waves to a surrounding space. Electromagnetic waves are composed of electric and magnetic fields. People stipulate that: the direction of the electric field is the antenna polarization direction. The antennas typically used are single polarized.

The existing antenna feeder system is composed of a single antenna and a single TR component, when receiving X-band signals, only single-angle signal receiving can be carried out, signals in other directions cannot be received, and the working performance of the X-band antenna feeder system is greatly influenced.

Disclosure of Invention

The invention aims to provide a rotationally adjustable X-band antenna feeder system, which aims to solve the problems that the existing antenna feeder system proposed in the background technology only can receive signals at a single angle when receiving X-band signals, and signals in other directions cannot be received, so that the working performance of the X-band antenna feeder system is greatly influenced.

In order to achieve the purpose, the invention provides the following technical scheme: a rotatably adjustable X-band antenna feed system, comprising:

the antenna mounting groove assembly comprises an antenna mounting groove and a mounting hole formed in the center of the outer side wall of the antenna mounting groove;

the mounting disc assembly comprises a mounting block arranged in the inner cavity of the antenna mounting groove, a rotary disc arranged on the end face of the mounting block and arranged on the side wall of 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 rotary disc, penetrates through the mounting block and corresponds to the mounting hole;

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, and a driving shaft which is arranged on the output shaft of the motor, is arranged on the inner side of the mounting hole through a bearing and penetrates through the mounting hole and is connected with the connecting groove.

Preferably, still include the antenna house subassembly, the antenna house subassembly is including setting up the antenna house in the antenna mounting groove outside and setting are in the first installation piece of antenna house lateral wall edge.

Preferably, the antenna mounting groove assembly further includes a fixing groove formed on an outer side wall of the antenna mounting groove.

Preferably, the rotary table further comprises a TR assembly, wherein the TR assembly comprises a fixed bracket mounted at one side edge of the mounting block on the rotary table and a TR component mounted at the inner side of the fixed bracket and corresponding to the fixed groove.

Preferably, the mobile phone further comprises an antenna which is arranged inside the fixing groove and corresponds to the TR component.

Preferably, still include the base subassembly, the base subassembly is including setting up keep away from on the first installation piece the base of antenna house one side and setting up and be in keep away from on the base the second installation piece of first installation piece one side.

Compared with the prior art, the invention has the beneficial effects that: this kind of system is presented to rotatable X wave band antenna of adjusting passes through the motor drive TR subassembly and rotates to the angle of adjustment TR subassembly can be at arbitrary angle receiving antenna signal, the effectual working property that improves the system is presented to X wave band antenna.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of a radome assembly of the present invention;

FIG. 3 is a schematic view of an antenna mounting slot assembly of the present invention;

FIG. 4 is a schematic view of the construction of the mounting plate assembly of the present invention;

FIG. 5 is a schematic view of the driving mechanism of the present invention;

FIG. 6 is a schematic view of the TR assembly of the present invention;

FIG. 7 is a schematic view of a base assembly according to the present invention.

In the figure: 100 radome assembly, 110 radome, 120 first mounting block, 200 antenna mounting slot assembly, 210 antenna mounting slot, 220 mounting hole, 230 fixing slot, 300 mounting disk assembly, 310 mounting block, 320 turntable, 330 connecting slot, 400 driving mechanism, 410 motor, 420 driving shaft, 500TR assembly, 510 fixing bracket, 520TR assembly, 600 antenna, 700 base assembly, 710 base, 720 second mounting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a rotationally adjustable X-band antenna feeder system, which can adjust the angle of a TR component by driving the TR component to rotate through a motor, can receive antenna signals at any angle, and effectively improves the working performance of the X-band antenna feeder system, referring to fig. 1, comprising: a radome component 100, an antenna mounting slot component 200, a mounting plate component 300, a drive mechanism 400, a TR assembly 500, an antenna 600, and a base component 700;

referring to fig. 1 and 3-6, the antenna mounting slot assembly 200 includes an antenna mounting slot 210 and a mounting hole 220 formed at a central position of an outer sidewall of the antenna mounting slot 210, the mounting plate assembly 300 includes a mounting block 310 disposed in an inner cavity of the antenna mounting slot 210, a turntable 320 disposed on an end surface of the mounting block 310 and disposed on a sidewall of the inner cavity of the antenna mounting slot 210 through a bearing, and a connecting slot 330 coaxially disposed on an end surface of the turntable 320 and penetrating the mounting block 310 and corresponding to the mounting hole 220, the driving mechanism 400 includes a motor 410 mounted on an outer sidewall of the antenna mounting slot 210 and corresponding to the mounting hole 220, and a driving shaft 420 mounted on an output shaft of the motor 410 and mounted inside the mounting hole 220 through a bearing and connected to the connecting slot 330 through the mounting hole 220, the antenna installation slot assembly 200 further comprises a fixing groove 230 arranged on the outer side wall of the antenna installation slot 210, the TR assembly 500 comprises a fixing support 510 arranged on the turntable 320 and close to the edge of one side of the installation block 310, a TR component 520 arranged on the inner side of the fixing support 510 and corresponding to the fixing groove 230, and an antenna 600 arranged on the inner side of the fixing groove 230 and corresponding to the TR component 520, a Hall sensor is arranged on an output shaft of a motor, a display screen and a microcomputer are respectively arranged on the outer side and the inner side of the radome, the microcomputer is respectively electrically connected with the Hall sensor and the display screen, the rotation angle of the output shaft on the motor is measured through the Hall sensor and is uploaded to the microcomputer, the data is uploaded to the display screen through the microcomputer, the data is displayed through the display screen, when the antenna is used specifically, the motor is started, the driving shaft is driven to rotate through the motor, the installation block and the turntable are driven to rotate through the driving shaft, the TR assembly arranged on the turntable is driven to rotate through the rotation of the installation block and the turntable, the position of the TR assembly can be adjusted, the vacancy of the TR assembly for receiving the X-waveband signal can be supplemented, and the X-waveband signal can be received without dead angles;

the antenna array is in a four-side array form, each array surface finishes azimuth +/-45-degree scanning, four area arrays are controlled by switching switches to finish azimuth 360-degree scanning, the antenna units adopt a micro-strip patch form, and because the number of the antenna units is small, in order to achieve higher gain, a high-gain micro-strip patch unit is selected, according to the overall technology and size requirements, the axial gain of the antenna array surface reaches 17dBi, and the maximum azimuth scanning angle gain is superior to 14dBi;

the antenna feed system is formed by adopting a mature goods shelf T/R component, a switch matrix (realizing 4 array surface switching), a power distribution/synthesizer and a bidirectional amplifier (power regulation), and the details are shown in a detailed design part;

the device is also internally provided with wave control, the antenna wave control is the center of antenna control, and the device mainly completes BIT self-check of wave control startup, initialization of array surface state, serial communication with a main control computer, calculation and control of array surface wave control codes, switching of array surface state by receiving system timing signals, and collection and return of antenna array surface telemetering information;

the overall appearance of the antenna feeder is of a polygonal structure, four antenna array surfaces are uniformly and symmetrically distributed in a circumferential 360-degree range, each antenna array surface is 16 units, an array surface TR adopts a four-channel brick structure, a radio frequency connector and an array surface connector are adopted for realizing interconnection, the tail end of the TR is provided with a four-in-one power divider, one end of each power divider is interconnected with one group (4 TRs) through a kk connector, a radio frequency connector at the other end of each power divider is connected with a switch matrix arranged at the bottom of an antenna feeder box body through a radio frequency cable, the other three TR components in the same direction are connected in a similar manner, the switch matrix combines one path of radio frequency signals into one path, the one path of radio frequency signals is communicated with a base arranged at the bottom of the box body through a round hole formed in the bottom of the switch matrix, the base can be provided with devices such as a power panel, an external interface and the like, the antenna cover is convenient for adding the antenna cover to the antenna feeder in the follow-up, the extension size of the base is expanded to be 274 multiplied by mm, the screw installation of the antenna cover on the plane, the antenna feeder box body, the opening of the antenna feeder box body is provided with sealing grooves, and O-shaped rings are convenient for sealing in the follow-up installation of the O-shaped ring;

EIRP and G/T indexes are used as system comprehensive index requirements and are calculated by system performance of antenna units, transceiving units and the like in a system, so that the EIRP and G/T indexes are comprehensively considered according to factors such as system size, unit number, specific devices and the like, and the technical indexes of the units are specifically distributed;

the EIPR value is determined by the antenna gain and the transmission power value of the T/R component;

according to the index, the EIPR value is more than or equal to 24dBW when the antenna axially radiates, the output power P-1 is 27dBm (namely-3 dBW), each surface has 16 channels, and the EIPR is calculated as: 26dBW =15 (antenna gain) + (-3) (single channel output power) +10lg16 (number of channels), thus requiring antenna gain ≧ 15dB;

antenna azimuth scan to 45 °: the antenna gain is reduced by 3dB, and EIRP =21dBW is calculated;

antenna azimuth scan to 45 °, pitch scan to 50 °: the antenna gain is reduced by 3dB, and EIRP =21dBW is calculated;

the G/T value is determined by the antenna gain and the system noise temperature: the system noise temperature is estimated by the system loss and the noise coefficient of the TR component, when the noise coefficient of the TR component is 3.5dB, the system noise coefficient is about 3.7dB, and the noise temperature is converted to 400K;

axial radiation of the antenna: G/T = G (dB) -10logT (K) is more than or equal to-9.2 dB/K, so that the antenna gain is required to be more than or equal to 16.8dB;

antenna azimuth scan to 45 °: the antenna gain is reduced by 3dB, and the index requirement that G/T is better than-12.2 dB/K is calculated;

antenna azimuth scan to 45 °, pitch scan to 50 °: the gain of the antenna is reduced by 3dB, and the index requirement that G/T is better than-12.2 dB/K is calculated;

the power consumption distribution of the antenna feed system is shown in the following table;

TABLE 1 antenna feeder System Components Power consumption Allocation

Serial number	Item	Power consumption
			1	X frequency band TR (transmitting state) 1 plane	<60W
2	X frequency band TR (reception state) 1 plane	<6W
			3	Azimuth switch matrix	<0.1W
4	Drive amplification	<0.6W
			4-plane simultaneous energization (emission shape)State)	Total up to	<241W
4-plane simultaneous power-up (receiving state)	Total up to	<25W

According to the above accounting for system indexes, performing index decomposition and preliminary design of schemes on each subsystem;

the scheme of the antenna array plane comprises 4 plane arrays which cover 360 degrees of azimuth angles together to complete radiation and reception of microwave signals, horizontal 360-degree scanning, pitching +/-50-degree scanning and the four-plane array form of the antenna array are completed through phase control, each array plane completes azimuth +/-45-degree scanning, the four-plane array completes azimuth 360-degree scanning together, as the number of antenna units is less, in order to achieve higher gain, the antenna units adopt microstrip patch antennas with low sections, small sizes and easy processing, in order to expand the bandwidth of the antenna, a microstrip substrate adopts dielectric materials with larger thickness, the feeding of the antenna units adopts a coaxial back feeding form, the 10dB frequency band of the return loss of ports of the antenna units is 7.75GHz-8.65GHz to meet the requirement of the system bandwidth, the gain of the antenna units reaches 7.4dBi, when the antenna units are in the axial direction, the antenna array is characterized in that the gain is 18dBi in the direction of a 4 multiplied by 4 array, the gain is 1.4dB lower than the theoretical value of 7.4dBi +12dB (array gain), the array interval is limited by 18.2mm of a TR port, additional loss such as TR joint loss and the like is considered, the gain is reduced by 2.8dBi according to the axial gain 17dBi when the azimuth angle is scanned to 45 degrees, the gain is reduced by 3dBi according to the gain, when the azimuth angle is scanned to 45 degrees and the pitch angle is scanned to 50 degrees, the maximum gain of the main lobe of the antenna is 15.6dBi, the gain is reduced by 2.4dBi according to the axial gain, the gain is reduced by 3dBi according to the gain, the antenna array surface size is designed to 100mm, the antenna array surface is designed to be consistent with the interval of TR components, the antenna unit interval is designed according to the azimuth 18.2mm and the pitch 20mm, the axial gain is not less than or equal to 17dB, and the scanning requirements of azimuth +/-45 degrees and pitching 50 degrees can be realized;

an antenna feed scheme, an antenna feed system is composed of a T/R component, a switch matrix, a power distribution/synthesizer and a bidirectional amplifier, the main function of the antenna feed system is to switch an X-waveband microwave signal output by a phase control array system transmitter to a corresponding array plane feed link through the switch matrix, distribute the X-waveband microwave signal to each T/R channel through a power distributor, and feed the X-waveband microwave signal to an antenna array element port through amplitude/phase adjustment of the T/R component to form a required wave beam, 1) an aggregation end input power: 0-1 dBm; 2) Antenna port (antenna element) maximum output power (P-1, out): 27dBm; 3) Receiving a noise coefficient: 3.5dB; according to the requirement of general indexes, considering the maturity and the cost performance of the device, the single channel adopts an X wave band multifunctional transceiver chip with linear output power about 28dBm (saturation power 30 dBm), 4 multiplied by 4 channels are arranged in each area array, 4 sets of TR components are used, 16 channels are used in total, because the system consists of 4 area arrays, 16 sets of TR components are used in total, 64 channels are used in total, four sets of T/R of each array surface adopt 1 four power dividers for synthesis, four array surfaces adopt a switch matrix for switching, a bidirectional amplifier is adopted for adjusting the gain of the transceiver system, the T/R components comprise three parts of four same T/R channels, one-to-four power couplers and a power supply control, and a power divider circuit: the interconversion from 1 path of signals to 4 paths is realized, and the T/R channel: the radio frequency receiving and transmitting function is completed, the functions of phase adjustment and amplitude adjustment are realized, the channels comprise a receiving and transmitting multifunctional device and an amplitude phase control multifunctional device, a modulation power supply is provided for four T/R channels, codes are distributed for an attenuation state and a phase shift state, a shelf product of a certain company is selected for the product, the radar is verified and used for a certain phased array target reconnaissance radar, the technical index meets the requirement, the product performance is stable, the power divider adopts a traditional Wilkinson power divider microstrip to realize a one-to-four function, a one-to-four switch is adopted for a switch matrix to realize the selective switching of 4 channels, the scheme adopts two single-pole double-throw switches to realize the single-pole four-throw function in parallel connection, a driving amplifier is required to be added on a common branch of a trunk port to meet the input power requirement of a system and the loss influence of the switch matrix and a power amplification circuit to realize gain compensation, a bidirectional amplifier is adopted to simultaneously realize the gain compensation of a receiving branch and a transmitting branch, a GaAsC chip is selected for the scheme, the working frequency band is 6-18 GHz, the gain is 20dB, the saturation output power is 20dBm, the noise factor 6dB and the MMI is 6dB, the MMI requirement of the system is met

The wave control scheme, the line wave control is the center of the antenna control, mainly complete the BIT self-check of the starting of the wave control host, the initialization of the state of the array surface, the serial communication with the main control computer, the calculation and control of the array surface wave control code, the switching of the state of the array surface by receiving the timing signal of the system, the collection and the return of the telemetering information of the antenna array surface, the hardware platform of the wave control system is realized based on FPGA, the table look-up or the calculation can be realized, the software and hardware interface of the wave control and control end of the antenna, on the premise of meeting the system function and performance, the interface of the wave control and TR components can be automatically established by the antenna subsystem, the electrical standard, RS422 full duplex synchronous serial communication, three pairs of 422 lines, SCLK, RXD and TXD, for the control end, TXD is the control data sending end, RXD is the control data receiving end, for the array wave control, the opposite, the parameter setting is right, the baud rate: 10Mbps (pending); data bit: 8 bits; parity bit: none; the initial position: 1 position; stopping the position: 1 bit, the communication between the control end and the wave control is full duplex communication, the control end sends a control command to the wave control, the wave control sends back the telemetering information of a wave front to the control end, the wave control command mainly transmits the current working mode, the angle information of the antenna two-dimensional wave beam, the attitude information of an antenna carrier antenna and the like in the command, besides, the command format also comprises a frame header and a frame tail, and a checksum, the wave control command is sent before the wave beam is used for establishing pulse, and the data format is as follows: low byte is before and high byte is after; the low order is in front, the high order is in back, wave control loopback instruction, wave control loopback instruction feeds back to the master control and receives the correctness of wave control instruction, the data format is: low byte is before and high byte is after; the low position is in front, the high position is in back, the wave control period returns the telemetering parameters, the state parameters comprise the temperature and the like of the wave control and antenna system, and the data format is as follows: the low byte is before and the high byte is after; resolving the beam angle with the low position in front and the high position in back, settling the beam angle by information such as the position transmitted by the system, and giving a resolving algorithm after the system transmits clear data;

structural scheme, the general objective of structural design: realize 360 all-round continuous scanning of phased array antenna feeder, the antenna feeder is left two external interfaces: a radio frequency interface and a power interface, the total weight requirement is less than or equal to 6.5Kg, the size is limited within 280 x 305 mm, in order to meet the requirements of the total structure and reliability, the airborne antenna feeder is divided into an upper part and a lower part which are respectively an antenna feeder box body component and a base component, the upper part and the lower part are respectively screwed by a screw fastening mode, the total appearance of the antenna feeder is in a polygonal structure, four antenna array surfaces are uniformly and symmetrically distributed in the range of 360 degrees in the circumferential direction, each antenna array surface is provided with 4 x 4 (16) antenna units, the antenna feeder TR adopts a four-channel brick structure, the array surface units are interconnected with the TR by a radio frequency connector, the tail end of the TR is provided with a four-in-one power divider, one end of the power divider is blindly plugged with a group of 4 TRs by a KK connector to realize interconnection, the other end of the power divider is combined with a switch matrix arranged at the bottom of the antenna feeder by a radio frequency cable to realize signal transmission, the assemblies of the TRs in the other three directions are connected in the same way, the switch matrix synthesizes a radio frequency signal into a signal, the signal is connected with a radio frequency interface arranged in a combined base through a round hole reserved at the bottom, the base surrounds a power module, the radio frequency interface, the power interface and an installation base body of an antenna feeder box body, the antenna cover is additionally arranged on the antenna feeder for the convenience of subsequent general departments, the extension size of the base is enlarged to 274 multiplied by 274mm, the final size is 274 multiplied by 195mm, the total weight is less than or equal to 6Kg, in order to verify the strength of an antenna feeder system, the simulation verification is carried out on the structure, the antenna feeder system generally comprises a frame body, a TR component, a power divider and the like, wherein the TR component is a core part, the position precision of the TR component can ensure the decisive connection of the system, the analysis and the random vibration simulation verification are carried out on a fixing frame of the TR component, firstly, a three-dimensional model is properly simplified to remove chamfers and unnecessary through holes, the method comprises the steps of guiding a model into ANSYS, setting material attributes and dividing grids, fixedly constraining fastening holes at the bottom of a support, selecting the first 20 orders for modal analysis according to modal orders, covering 2-2000Hz in a frequency range, obtaining 20 orders of modal deformation cloud pictures, selecting one order of the cloud pictures within a space, further performing random vibration analysis on a component, selecting power spectral density, setting acceleration 2g and frequency 2-2000Hz, selecting a Z direction perpendicular to a mounting surface, performing simulation to obtain the random vibration deformation cloud pictures, finding the maximum deformation amount to be 0.0098mm through the cloud pictures, meeting the position precision requirement, having a reasonable structural design scheme, simplifying an X wave band model, removing some process chamfers, reserving key round holes, reducing calculation amount of four groups of TRs due to uniform distribution of the same angles in the circumferential direction, reducing calculation amount of one group of cold plates for analysis, performing conduction cooling on the TRs and the mounting plate through metal, and opening pairs on the cold plates to form a heat conduction channel, increasing the heat dissipation area and being beneficial to bringing out heat from a front;

referring to fig. 1-2 and 7, the radome assembly 100 includes a radome 110 disposed outside the antenna mounting groove 210 and a first mounting block 120 disposed at an edge of an outer sidewall of the radome 110, and further includes a base assembly 700, where the base assembly 700 includes a base 710 disposed on the first mounting block 120 on a side away from the radome 110 and a second mounting block 720 disposed on the base 710 on a side away from the first mounting block 120, the first mounting block is disposed at an opening of an end face of the radome, the radome is disposed on an outer side of the antenna mounting slot assembly, the mounting disc assembly, the driving mechanism and the TR assembly for protecting the antenna mounting slot assembly, the mounting disc assembly, the driving mechanism and the TR assembly, the base is fixedly mounted on the first mounting block on a side away from the radome, a sealing process is performed between the base and the first mounting block, an opening of the end face of the radome is blocked, the second mounting block is fixedly mounted on an object to be mounted, including, but not limited to, a ground, a building or a support member, and the base is fixedly mounted on the object to be mounted on the object through the second mounting block.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims (6)

1. A rotationally adjustable X-band antenna feed system, characterized in that: the method comprises the following steps:

the antenna mounting groove component (200), the antenna mounting groove component (200) comprises an antenna mounting groove (210) and a mounting hole (220) arranged in the center of the outer side wall of the antenna mounting groove (210);

the mounting disc component (300) comprises a mounting block (310) arranged in the inner cavity of the antenna mounting groove (210), a rotary disc (320) arranged on the end face of the mounting block (310) and arranged on the side wall of the inner cavity of the antenna mounting groove (210) through a bearing, and a connecting groove (330) coaxially arranged on the end face of the rotary disc (320), penetrating through the mounting block (310) and corresponding to the mounting hole (220);

the driving mechanism (400) comprises a motor (410) which is arranged on the outer side wall of the antenna mounting groove (210) and corresponds to the mounting hole (220), and a driving shaft (420) which is arranged on an output shaft of the motor (410), is arranged on the inner side of the mounting hole (220) through a bearing, penetrates through the mounting hole (220) and is connected with the connecting groove (330).

2. A rotationally adjustable X-band antenna feed system according to claim 1, characterized in that: the antenna housing assembly (100) comprises an antenna housing (110) arranged on the outer side of the antenna mounting groove (210) and a first mounting block (120) arranged at the edge of the outer side wall of the antenna housing (110).

3. A rotationally adjustable X-band antenna feed system according to claim 2, wherein: the antenna mounting groove assembly (200) further comprises a fixing groove (230) formed on an outer side wall of the antenna mounting groove (210).

4. A rotationally adjustable X-band antenna feed system according to claim 3, wherein: the rotary plate type solar cell module further comprises a TR assembly (500), wherein the TR assembly (500) comprises a fixing bracket (510) which is arranged on the edge of one side of the rotary plate (320) adjacent to the mounting block (310) and a TR component (520) which is arranged on the inner side of the fixing bracket (510) and corresponds to the fixing groove (230).

5. A rotationally adjustable X-band antenna feed system according to claim 4, wherein: further comprising an antenna (600) disposed inside the fixing groove (230) and corresponding to the TR module (520).

6. A rotationally adjustable X-band antenna feed system according to claim 5, characterized by: the antenna cover further comprises a base assembly (700), wherein the base assembly (700) comprises a base (710) arranged on one side, far away from the antenna cover (110), of the first mounting block (120) and a second mounting block (720) arranged on one side, far away from the first mounting block (120), of the base (710).

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