CN115833923A - Multifunctional satellite remote sensing information intelligent service terminal - Google Patents
Multifunctional satellite remote sensing information intelligent service terminal Download PDFInfo
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Abstract
The invention provides a multifunctional satellite remote sensing information intelligent service terminal, and mainly relates to the technical field of remote sensing information services. A multifunctional satellite remote sensing information intelligent service terminal comprises a system part and a mechanical part, wherein the system part comprises a receiving subsystem, a wireless module, information equipment, auxiliary equipment and a control terminal; the receiving subsystem comprises an antenna assembly, a pitching rotary table, a servo mechanism and a wireless control unit; the wireless module comprises a WIFI module; the channel equipment comprises a data transmission channel and a measurement and control channel; the auxiliary equipment comprises a power supply module, a containing and transporting part and a foundation assembly; the control terminal comprises station management software and a main control computer. The invention mainly aims to establish an emergency remote sensing information service system which can be used for rapid reaction deployment, and the device is convenient to carry so as to realize the remote sensing information service function for dealing with emergencies and meet the requirements of rapid development and high-speed transmission of remote sensing data.
Description
Technical Field
The invention mainly relates to the technical field of remote sensing information service, in particular to a multifunctional satellite remote sensing information intelligent service terminal.
Background
At present, domestic portable stations mainly take Ku, C and S wave bands as main components, service contents are mainly concentrated in the ranges of broadcast television, emergency communication, wireless relay, remote connection and the like, the types of civil remote sensing portable ground station products for X frequency bands are few, shaped portable stations are mostly used in the military field, and cost and practicability are difficult to be compatible with civil products. The X-band receiving terminal has the problem of difficult portable design because of multiple functions and multiple devices. Therefore, in order to reduce the cost, facilitate folding, disassembly, storage and carrying and widen the market of civil equipment, the multifunctional satellite remote sensing information intelligent service terminal is developed to be matched with corresponding satellite remote sensing services.
Disclosure of Invention
The invention provides a multifunctional satellite remote sensing information intelligent service terminal for solving the defects of the prior art, and mainly aims to establish an emergency remote sensing information service system which can be used for rapid response deployment, wherein the emergency remote sensing information service system is convenient to carry so as to realize the remote sensing information service function for dealing with emergency events and meet the requirements of rapid development and high-speed remote sensing data transmission.
In order to achieve the purpose, the invention is realized by the following technical scheme:
a multifunctional satellite remote sensing information intelligent service terminal comprises a system part and a mechanical part, wherein the system part comprises a receiving subsystem, a wireless module, information equipment, auxiliary equipment and a control terminal;
the receiving subsystem comprises an antenna assembly, a pitching rotary table, a servo mechanism and a wireless control unit;
the wireless module comprises a WIFI module;
the channel equipment comprises a data transmission channel and a measurement and control channel;
the auxiliary equipment comprises a power supply module, a containing and transporting part and a foundation assembly;
the control terminal comprises station management software and a main control computer;
the mechanical part includes the host computer base, the inside cavity of host computer base sets up, the fixed integrated circuit that sets up of bottom in the host computer base, bottom central point puts the fixed runner assembly that sets up in the host computer base, runner assembly top fixed connection central body base, central body base is located host computer base top, central body base both sides face rotates connects first every single move arm, second every single move arm, first every single move arm passes through the motor hold-in range and rotates with central body base to be connected, first every single move arm with rotate between the second every single move arm and connect the center post, the second every single move arm passes through the motor hold-in range and rotates with the center post to be connected, the fixed antenna main face that sets up in a side of center post.
The rotating assembly comprises a horizontal rotating platform, a horizontal motor, a horizontal shaft fixing claw and a rotating platform flange, the horizontal rotating platform is driven to rotate by the horizontal motor, the horizontal shaft fixing claw is fixedly connected with the horizontal rotating platform by the rotating platform flange, and handles are symmetrically arranged at the top of the host machine base.
First every single move arm all fixes with second every single move arm lateral surface and sets up the casing, first every single move arm medial surface is close to the fixed first every single move motor that sets up of intermediate position, first every single move arm lateral surface is close to the bottom position and rotates and connect first transmission gear, first every single move motor passes through the hold-in range and drives first transmission gear and rotate, second every single move arm medial surface is close to the fixed second every single move motor that sets up of intermediate position, second every single move arm lateral surface is close to the top position and rotates and connect second transmission gear, second transmission gear passes second every single move arm and center pillar fixed connection.
The antenna is characterized in that the main surface of the antenna is made of carbon fiber materials, the main surface of the antenna is divided into seven parts, the seven parts comprise a central part, four corner parts and two end parts, the central part is fixedly connected with the central upright post, the central part is connected with the two end parts through hinges, the central part and the four corner parts are detachably arranged, the side surface of the central part is fixedly connected with the sub-reflecting surface, and the other side surface of the central part is fixedly provided with a transmitter.
The four-corner parts are symmetrically arranged at the top and the bottom of the central part and are connected with the bumps through the sliding grooves, and the central part and the four-corner parts are fixed at opposite positions in a mode that the bolt holes are matched with the positioning pins.
Compared with the prior art, the invention has the beneficial effects that:
most of portable receiving terminals in the market currently mainly comprise Ku, C and Ka, and no formed X-band portable receiving terminal product exists, but the X-band receiving terminal has the problem of difficult portable design due to multiple functions and multiple devices. The purpose of the patent is to integrate the structure function and the receiving function into a portable device through the external structure optimization and the internal circuit integration design, and finally realize the miniaturization and portability of the receiving terminal, so as to be applied to the satellite data service in the industry.
The terminal mechanical device is simple in structure, convenient to install and use, convenient to carry and store, small in size and light in weight; it adjusts the angle completion folding between every single move arm, central body base, the center pillar through gear motor and hold-in range meshing's mode, and the antenna principal plane adopts removable the accomodating of being convenient for.
The design optimizes a circuit part of the terminal, and functional circuit boards such as signal processing, servo control, network functions, a baseband circuit, a power supply distribution module and the like are integrated into the base host, so that the terminal can have the functions of multiple working modes and automatic task planning, and can issue tasks through a wireless or wired control terminal.
Drawings
FIG. 1 is a schematic diagram of the overall composition of a portion of the system of the present invention;
FIG. 2 is a logic flow diagram of a servo control portion of the present invention;
FIG. 3 is a schematic diagram of the baseband interface connection of the present invention;
FIG. 4 is a schematic diagram of a wireless transmission portion of the present invention;
FIG. 5 is a schematic of the inventive workflow;
FIG. 6 is a schematic diagram of the interface connection of the present invention;
FIG. 7 is a schematic diagram of the components of the receiving subsystem of the present invention;
FIG. 8 is a schematic diagram of an internal interface of the receiving subsystem of the present invention;
FIG. 9 is a schematic diagram of an external interface of a receiving subsystem according to the present invention;
FIG. 10 is a schematic diagram of the channel equipment components of the present invention;
FIG. 11 is a schematic view of a channel device interface of the present invention;
FIG. 12 is a schematic diagram of the wireless module of the present invention;
FIG. 13 is a schematic diagram of the internal interface of the data processing subsystem of the present invention;
FIG. 14 is a schematic diagram of an external interface of the data processing subsystem of the present invention;
FIG. 15 is a schematic view of a control terminal interface of the present invention;
FIG. 16 is a schematic view of the auxiliary equipment of the present invention;
FIG. 17 is a schematic view of the overall structure of the mechanical part of the present invention;
FIG. 18 is a front view of the mechanical part of the present invention;
FIG. 19 is a left side view schematic of the mechanical portion of the present invention;
FIG. 20 is a schematic view of a first perspective view of the transmission assembly of the present invention;
FIG. 21 is a schematic right side view of the transmission assembly of the present invention;
FIG. 22 is a schematic diagram of the internal structure of the base of the host computer of the present invention;
fig. 23 is an exploded view of the main surface of the antenna of the present invention.
Reference numerals shown in the drawings: 1. a host base; 2. a rotating assembly; 3. a central body base; 4. a first pitch arm; 5. a second pitch arm; 6. a central upright post; 7. an antenna main surface; 8. a horizontal turntable; 9. a horizontal motor; 10. a horizontal shaft fixing claw; 11. a turntable flange; 12. a handle; 13. a housing; 14. a first pitch motor; 15. a first transmission gear; 16. a second pitch motor; 17. a second transmission gear; 18. a sub-reflecting surface; 19. a transmitter; 20. an integrated circuit; 21. a central portion; 22. a four-cornered portion; 23. two end portions.
Detailed Description
The invention is further described with reference to the accompanying drawings and specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and these equivalents also fall within the scope of the present application.
With reference to fig. 1-23, a multifunctional satellite remote sensing information intelligent service terminal comprises a system part and a mechanical part, wherein the system part comprises a receiving subsystem, a wireless module, information equipment, auxiliary equipment and a control terminal;
the receiving subsystem comprises an antenna assembly, a pitching rotary table, a servo mechanism and a wireless control unit;
the wireless module comprises a WIFI module;
the channel equipment comprises a data transmission channel and a measurement and control channel;
the auxiliary equipment comprises a power supply module, a containing and transporting part and a foundation assembly;
the control terminal comprises station management software and a main control computer;
the mechanical part includes host computer base 1, the inside cavity of host computer base 1 sets up, the fixed integrated circuit 20 that sets up in bottom in the host computer base 1, the fixed runner assembly 2 that sets up in bottom central point puts in the host computer base 1, 2 top fixed connection central body bases 3 of runner assembly, central body base 3 is located host computer base 1 top, 3 both sides face of central body base are rotated and are connected first every single move arm 4, second every single move arm 5, first every single move arm 4 passes through the motor hold-in range and rotates with central body base 3 and be connected, first every single move arm 4 with rotate between the second every single move arm 5 and connect central stand 6, second every single move arm 5 passes through the motor hold-in range and rotates with central stand 6 to be connected, the fixed antenna main face 7 that sets up in a side of central stand 6.
The rotating assembly 2 comprises a horizontal rotating platform 8, a horizontal motor 9, a horizontal shaft fixing claw 10 and a rotating platform flange 11, the horizontal rotating platform 8 is driven to rotate through the horizontal motor 9, the horizontal shaft fixing claw 10 is fixedly connected with the horizontal rotating platform through the rotating platform flange 11, and handles 12 are symmetrically arranged at the top of the host base 1.
The outer side surfaces of the first pitching arm 4 and the second pitching arm 5 are fixedly provided with a shell 13, the inner side surface of the first pitching arm 4 is fixedly provided with a first pitching motor 14 close to the middle position, the outer side surface of the first pitching arm 4 close to the bottom end position is rotatably connected with a first transmission gear 15, the first pitching motor 14 drives the first transmission gear 15 to rotate through a synchronous belt, the inner side surface of the second pitching arm 5 close to the middle position is fixedly provided with a second pitching motor 16, the outer side surface of the second pitching arm 5 close to the top end position is rotatably connected with a second transmission gear 17, and the second transmission gear 17 penetrates through the second pitching arm 5 and is fixedly connected with the central upright post 6; the first and second tilting arms 4 and 5 and the antenna main surface 7 are folded by the structural design.
The antenna main surface 7 is made of carbon fiber materials, the antenna main surface 7 is divided into seven parts, the seven parts comprise a central part 21, four corner parts 22 and two end parts 23, the central part 21 is fixedly connected with the central upright post 6, the central part 21 is connected with the two end parts 23 through hinges, the central part 21 and the four corner parts 22 are detachably arranged, the side surface of the central part 21 is fixedly connected with the sub-reflecting surface 18, and the other side surface of the central part 21 is fixedly provided with the transmitter 19.
The four-corner portions 22 are symmetrically arranged at the top and the bottom of the central portion 21 and connected with the bumps through the sliding grooves, and the central portion 21 and the four-corner portions 22 are fixed in relative positions in a mode that bolt holes are matched with positioning pins.
The integrated circuit 20 includes a power distribution module, an antenna controller, an ACU/ADU, a baseband processing module, an F-plane output, and a power supply plug.
The device is matched with other auxiliary components for use, and the auxiliary components comprise the foundation support rod, a containing box and a power supply module; the containing box is made of engineering plastics and lined with sponge. The servo system, the power supply system and the data processing application system in the device can be integrated into the two cases, and the complete set of terminal system can be stored into the storage box so as to be convenient for storage and transportation.
When the device needs to be folded, the antenna main surface 7 is firstly folded and disassembled and then put into the containing box, then the folding key on the host base 1 is pressed, the horizontal motor 9, the first pitching motor 14 and the second pitching motor 16 respectively drive the central body base 3, the first pitching arm 4 and the second pitching arm 5 to rotate after receiving signals, and the pitching arms are in the positions parallel to the host base 1, so that the folding and the containing are completed. When the equipment is unfolded and arranged, after the equipment is taken out of the containing box, the case can be used as a base, and the four foundation support rods are provided with leveling bolts and can be leveled according to a level meter on the host base 1. Through the optimization of an external structure and the integration design of an internal circuit, the structure function and the receiving function are integrated into a portable device, and finally the miniaturization and the portability of a receiving terminal are realized for matching with corresponding satellite data services.
Example 1:
the service terminal comprises the following circuits:
the circuit part mainly comprises a servo control part, a baseband part and a wireless connection part, and the control circuit is arranged in the base.
(1) A servo control section:
as shown in fig. 2, the system comprises a tracking receiver, an antenna controller ACU, an antenna driver ADU, and a compass/GPS antenna.
The current position and time are determined through an electronic compass/GPS/Beidou module, and the antenna points to the initial position according to ephemeris data prestored in an antenna controller. The tracking receiver receives a beacon signal of a satellite, and outputs a signal to the antenna controller after demodulation processing when the position of the target satellite changes.
(2) A baseband part:
the FPGA adopts XILINX series, the number of I/0 ports is large, the radio frequency transceiver adopts AD9361, the frequency covers 70MHz to 6000MHz, the DSP data processor adopts TMS series, the main frequency is 120MHz, the FPGA is divided into a measurement and control baseband and a data transmission baseband according to different tasks, and the interfaces are shown in figure 3.
The measurement and control baseband and the data transmission baseband circuit board are arranged in the terminal base together with other control boards, and the processed data is sent into the master control computer through the telling modem.
(3) A wireless part:
the wireless part contains routing module, WIFI module, integrates on the inside mainboard of antenna base, receives the mainboard power supply to establish local wireless connection through the outer WIFI antenna of base, can make handheld computer host computer carry out wireless connection through wireless and mainboard. In addition, a spare RJ45 interface is arranged so as to change the WIFI network into a local wired connection when the WIFI network fails, and the working principle of the spare RJ45 interface is shown in the attached drawing 4.
Example 2:
the working mode of the service terminal is as follows:
(1) Telemetry mode
Before a task starts, a user sends a starting instruction to a station management unit in advance, reads a task macro parameter and sends the task macro parameter to related equipment; when the satellite passes through the border, the station pipe unit controls the sky feeding unit and the servo unit to complete satellite phase correction according to task requirements; after the system stably tracks, the antenna feeding unit receives the satellite downlink telemetering signals, and the channel equipment completes the amplification, frequency conversion, demodulation and decoding output of the downlink telemetering signals. The processed data is stored and the personal terminal can access it through a wireless connection.
(2) Remote control mode
Before a task starts, a user sends a starting instruction to a station management unit in advance, reads task macro parameters and sends the task macro parameters to relevant equipment; when the satellite passes through the border, the station pipe unit controls the sky feeding unit and the servo unit to complete satellite phase correction according to task requirements; after the system is stably tracked, the antenna feeding unit sends an uplink remote control signal to the satellite, and the channel equipment completes coding, modulation, amplification and frequency conversion of the uplink remote control signal.
(3) Data transmission mode
Before a task starts, a user sends a starting instruction to a station management unit in advance, reads task macro parameters and sends the task macro parameters to relevant equipment; when the satellite passes through the border, the station pipe unit controls the sky feeding unit and the servo unit to complete satellite phase correction according to task requirements; after the system stably tracks, the antenna feeding unit receives the satellite downlink data transmission signal, and the channel equipment completes the amplification, frequency conversion, demodulation and decoding output of the downlink data transmission signal.
(4) Inter-satellite mode
Before a task starts, a user sends a starting instruction to a station management unit in advance and reads task macro parameters and ephemeris data; the remote satellite transmits the data processed on the satellite to the near-end satellite in a laser communication mode; and when the near-end satellite passes the border, the terminal receives the processed downlink signal according to the data transmission working mode. So as to achieve the purpose of long-distance time-effect shooting.
The working flow of the service terminal is shown in figure 5, and the interface relation is shown in figure 6.
Example 3:
receiving a subsystem:
referring to fig. 7, 8 and 9, the processing and application unit sends a control command of the current task to the ACU according to the ephemeris information stored in advance, the ACU generates a square wave signal for controlling the motion of the servo motor and sends the square wave signal to the pitching horizontal motor, and the driving motor rotates to place the antenna at the initial position. When the satellite passes by, the antenna receiving unit receives the measurement and control/data transmission tracking signal of the satellite, sends the signal to the signal receiver and then to the ACU, and forms closed-loop control according to the change of the tracking signal, thereby achieving the purpose of precise tracking. Before the satellite passes the top, the third axis deflects the upright column by 5 degrees at the normal position according to the current elevation angle so as to eliminate the over-top influence.
The channel device:
referring to fig. 10 and 11, the channel device mainly includes a low noise amplifier, a high power amplifier, an up/down converter, a measurement and control baseband, and a data transmission baseband. Completing low-noise amplification, down-conversion and demodulation of downlink signals; uplink signals have the functions of up-modulation, frequency conversion, power amplification and the like.
1) Data transmission channel
And outputting the X-band left-right-handed polarized signal subjected to low-noise amplification to down-conversion, and transmitting an intermediate-frequency signal to a data processing part after frequency conversion to complete the demodulation processing of the signal.
2) Measurement and control channel
a. Uplink remote control: the data processing system generates intermediate frequency data, and the intermediate frequency data is transmitted to the feed source for uploading through the synthesis network after passing through the X frequency band up-converter and the high-power amplifier;
b. downlink telemetry: the X-band left-right-handed polarized signal after low-noise amplification is output to a down converter, and an intermediate frequency signal is transmitted to a data processing part after frequency conversion to complete the demodulation processing of the signal; and simultaneously transmitting the signals to a processing application unit for antenna tracking control.
A wireless module:
with reference to fig. 12, 13, and 14, after the mobile terminal is powered on, the WIFI module locally realizes wireless connection, uses the handheld IPAD as a main control computer, installs station management software, and sends a control instruction through local wireless connection, so that the antenna tracks a satellite, and receives monitoring information of each device.
The internet module contains the routing module and the WIFI module, is integrated on the mainboard inside the antenna base, receives power supplied by the mainboard, establishes local wireless connection through the WIFI antenna outside the base, and enables the handheld computer host to be wirelessly connected with the mainboard in a wireless mode. In addition, a spare RJ45 interface is arranged, so that local wired connection is changed when the WIFI network fails.
The control terminal:
as shown in fig. 15, the control terminal mainly includes a main control computer and station management software. For the portability and easy operation of the terminal, a handheld PAD is selected as a main control computer and is provided with station management software. The handheld PAD executes each working plan and monitoring command according to the stored ephemeris and the written three working mode control flow through the working plan issued by the local WIFI, and reports the result; carrying out unified monitoring management on the working states of all the subsystem equipment; and monitoring system fault information. The control terminal is composed of station management software and a main control computer, the station management unit receives the work plans issued by the personal users through the terminal, automatically or manually requires to execute each work plan and monitoring command, and reports the results; adopting a server mode, connecting a personal computer through a gigabit network cable or connecting the server mode with a handheld PAD through a network module, and receiving state monitoring and control of a personal user; carrying out unified monitoring management on each subsystem; and monitoring and analyzing the system fault information.
The main control computer adopts a handheld PAD, is internally provided with station management software and integrates preprocessing software such as a marking software and the like.
Auxiliary equipment:
referring to fig. 16, the power module mainly provides operating voltage required for operation of the terminal system, and mainly includes a power management module, a battery pack, and a power adapter. The external 220V/110V commercial power is supplied to each part of the system by the power management module, provides DC outputs of DC15V, DC16.9V, DC5V, DC V and the like, and is isolated from each other. The storage battery pack is composed of 200Wh lithium batteries and can support the emergency work of the system for 2 hours.
The material of the containing box adopts engineering plastics and sponge as a lining. The antenna main surface is split and detachable, the antenna rotary table is foldable, the servo system, the power supply system and the data processing application system can be integrated into two cases, and the whole set of terminal system can be stored into a storage box so as to facilitate storage and transportation. When the equipment is unfolded and arranged, the chassis can be used as a base of the chassis after the equipment is taken out of the containing box.
The antenna turntable is connected with the bottom of the antenna turntable through quick connection, and the four feet are provided with leveling bolts which can level according to a level meter on the base.
The invention mainly aims to establish an emergency remote sensing information service system which can be used for rapid reaction deployment so as to realize the remote sensing information service function for dealing with emergencies and meet the requirements of rapid development and high-speed transmission of remote sensing data.
Because the transmission rate requirement is high and reaches 2Mbps, the portable satellite station adopts a 1.2-meter caliber offset feed antenna, the vehicle-mounted mobile satellite station can realize three functions of image transmission, voice transmission and data communication with a command center through the portable ground station.
The main design requirement of the invention is to fill the blank of the portable ground receiving terminal, and a X, S frequency band is designed, which is mainly used for the remote sensing data transmission of the medium and low earth orbit resource satellite, has the automatic satellite tracking capability and can rapidly deploy the individual soldier maneuvering terminal.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (5)
1. The utility model provides a multi-functional satellite remote sensing information intelligent service terminal, includes system portion and mechanical part, its characterized in that: the system part comprises a receiving subsystem, a wireless module, information equipment, auxiliary equipment and a control terminal;
the receiving subsystem comprises an antenna assembly, a pitching rotary table, a servo mechanism and a wireless control unit;
the wireless module comprises a WIFI module;
the channel equipment comprises a data transmission channel and a measurement and control channel;
the auxiliary equipment comprises a power supply module, a containing and transporting part and a foundation assembly;
the control terminal comprises station management software and a main control computer;
the mechanical part includes host computer base (1), the inside cavity of host computer base (1) sets up, the bottom is fixed in host computer base (1) sets up integrated circuit (20), bottom central point puts fixed rotating assembly (2) that sets up in host computer base (1), rotating assembly (2) top fixed connection central body base (3), central body base (3) are located host computer base (1) top, central body base (3) both sides face is rotated and is connected first every single move arm (4), second every single move arm (5), first every single move arm (4) are rotated through motor hold-in range and central body base (3) and are connected, first every single move arm (4) with rotate between second every single move arm (5) and connect central stand (6), second every single move arm (5) are rotated through motor hold-in range and are connected with central stand (6), the fixed antenna main face (7) that sets up in a side of central stand (6).
2. The multifunctional intelligent service terminal for satellite remote sensing information according to claim 1, wherein: the rotating assembly (2) comprises a horizontal rotary table (8), a horizontal motor (9), a horizontal shaft fixing claw (10) and a rotary table flange (11), the horizontal rotary table (8) drives the horizontal motor (9) to rotate, the horizontal shaft fixing claw (10) is fixedly connected with the horizontal rotary table (8) through the rotary table flange (11), and handles (12) are symmetrically arranged at the top of the host base (1).
3. The multifunctional intelligent service terminal for satellite remote sensing information according to claim 1, wherein: first every single move arm (4) and second every single move arm (5) lateral surface are all fixed to set up casing (13), first every single move arm (4) medial surface is close to the fixed first every single move motor (14) that sets up of intermediate position, first every single move arm (4) lateral surface is close to bottom position and rotates and connect first transmission gear (15), first every single move motor (14) drive first transmission gear (15) through the hold-in range and rotate, second every single move arm (5) medial surface is close to intermediate position and fixes and set up second every single move motor (16), second every single move arm (5) lateral surface is close to top position and rotates and connect second transmission gear (17), second transmission gear (17) pass second every single move arm (5) and center pillar (6) fixed connection.
4. The multifunctional intelligent service terminal for satellite remote sensing information according to claim 1, wherein: the antenna is characterized in that the main surface (7) of the antenna is made of carbon fiber materials, the main surface (7) of the antenna is divided into seven parts, the seven parts comprise a central part (21), four corner parts (22) and two end parts (23), the central part (21) is fixedly connected with the central upright post (6), the central part (21) is connected with the two end parts (23) through hinges, the central part (21) and the four corner parts (22) are detachably arranged, the side surface of the central part (21) is fixedly connected with the sub-reflecting surface (18), and the other side surface of the central part (21) is fixedly provided with the transmitter (19).
5. The multifunctional intelligent service terminal for satellite remote sensing information according to claim 4, wherein: the four-corner portions (22) are symmetrically arranged at the top and the bottom of the central portion (21) and connected with the bumps through sliding grooves, and the central portion (21) and the four-corner portions (22) are fixed at opposite positions in a mode that pin inserting holes are matched with positioning pins.
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| CN202310132306.1A CN115833923B (en) | 2023-02-20 | 2023-02-20 | Multifunctional satellite remote sensing information intelligent service terminal |
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| CN202310132306.1A CN115833923B (en) | 2023-02-20 | 2023-02-20 | Multifunctional satellite remote sensing information intelligent service terminal |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20070060630A (en) * | 2005-12-09 | 2007-06-13 | 한국전자통신연구원 | Antenna system for tracking satellite |
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| CN115833923B (en) | 2024-03-26 |
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