CN210405298U - Purification type signal repeater - Google Patents
Purification type signal repeater Download PDFInfo
- Publication number
- CN210405298U CN210405298U CN201920347972.6U CN201920347972U CN210405298U CN 210405298 U CN210405298 U CN 210405298U CN 201920347972 U CN201920347972 U CN 201920347972U CN 210405298 U CN210405298 U CN 210405298U
- Authority
- CN
- China
- Prior art keywords
- signal
- unit
- frequency point
- processing unit
- frequency
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000746 purification Methods 0.000 title claims description 5
- 230000010365 information processing Effects 0.000 claims abstract description 25
- 238000012545 processing Methods 0.000 claims description 13
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000007613 environmental effect Effects 0.000 abstract description 3
- 230000003137 locomotive effect Effects 0.000 abstract description 3
- 238000011160 research Methods 0.000 abstract description 3
- 238000012795 verification Methods 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
Images
Landscapes
- Radio Relay Systems (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The utility model discloses a purifying signal transponder, which comprises a receiving antenna unit, a radio frequency unit, a transmitting antenna unit, a power supply unit and a signal and information processing unit; the receiving antenna unit is used for receiving navigation signals of a GPS-L1 frequency point, a GLONASS-R1 frequency point, a BD2-B1 frequency point and a BD2-B3 frequency point; the received navigation signals of the GPS-L1 frequency point, the GLONASS-R1 frequency point, the BD2-B1 frequency point and the BD2-B3 frequency point are amplified by low noise amplifiers respectively and then are synthesized by a combiner and then are sent to the frequency input unit; the utility model has the advantages that: the function and performance verification of the satellite navigation equipment can be ensured in non-open-air environments such as environmental laboratories, plants, locomotive (vehicle) warehouses, research rooms and the like.
Description
Technical Field
The utility model relates to a signal repeater, specifically speaking are purification formula signal repeater belongs to the signal repeater field.
Background
With the continuous development of the autonomous design of anti-interference antennas in China, the production test and research and development test of the anti-interference antennas are increased continuously, and the requirement of purifying repeaters aiming at the Beidou B3 frequency point high code rate is stronger.
Disclosure of Invention
In order to solve the problem, the utility model discloses a purification formula signal repeater has ensured that can carry out satellite navigation equipment's function, performance verification in non-open environment such as environmental laboratory, factory building, locomotive storehouse, research laboratory.
The technical scheme of the utility model is that:
the purifying type signal transponder comprises a receiving antenna unit, a radio frequency unit, a transmitting antenna unit, a power supply unit and a signal and information processing unit; the receiving antenna unit is used for receiving navigation signals of a GPS-L1 frequency point, a GLONASS-R1 frequency point, a BD2-B1 frequency point and a BD2-B3 frequency point; the received navigation signals of the GPS-L1 frequency point, the GLONASS-R1 frequency point, the BD2-B1 frequency point and the BD2-B3 frequency point are amplified by low noise amplifiers respectively and then are synthesized by a combiner and then are sent to the frequency input unit; the radio frequency unit firstly amplifies an input radio frequency signal, then divides the signal into four paths through the power divider, wherein one path is directly transmitted through a transmitting antenna after being amplified by the amplifier, the other three paths are respectively transmitted into a GPS down-conversion channel, a GLONASS down-conversion channel and a BD2 frequency-conversion channel and then converted into an intermediate frequency signal, and the intermediate frequency signal is converted into a digital signal through A/D and transmitted into the signal and information processing unit; the signal and information processing unit is used for carrying out de-spreading and demodulation processing on the digital signal, resolving satellite navigation information, measuring the signal-to-noise ratio, pseudo range and pseudo range rate at the moment, transmitting the satellite navigation information to a debugging interface through an interface circuit, reporting the satellite navigation information to a computer for monitoring in real time, and monitoring the current satellite state in real time.
Furthermore, the radio frequency unit, the power supply unit and the signal and information processing unit are arranged in the host box; the receiving antenna unit and the transmitting antenna unit are positioned outside the main case and are connected with the main case through cables;
furthermore, the receiving antenna unit is composed of a low noise amplifier, a combiner and an antenna housing, and the antenna housing is connected with the combiner through the low noise amplifier.
Furthermore, the signal and information processing unit comprises an FPGA signal processing unit, a DSP information processing unit and an interface circuit.
Furthermore, the transmitting antenna unit consists of an amplifier, a controllable attenuator, a transmitting antenna and a transmitting antenna outer cover.
Further, the AP module is configured to connect a touch display screen in the external unit and an FPGA signal processing unit in the signal and information processing unit, and the touch display screen controls the signal and the FPGA signal processing unit in the information processing unit by controlling the AP module, so as to control on/off and power of each forwarding channel in the radio frequency unit.
Furthermore, the external unit consists of a touch display screen and a switch button; the touch display screen is used for controlling the on-off and the power of each forwarding channel; the switch button is used to switch on and off the transponder.
Furthermore, the power supply unit is composed of a power supply module and a power supply chip.
Furthermore, the debugging interface is used for externally connecting a computer; and is connected with the interface circuit through a cable.
The utility model has the advantages that: the function and performance verification of the satellite navigation equipment can be ensured in non-open-air environments such as environmental laboratories, plants, locomotive (vehicle) warehouses, research rooms and the like.
The present invention will be further explained with reference to the drawings and examples.
Drawings
Fig. 1 is a schematic structural diagram of an embodiment of the present invention;
in the figure: 1 a receiving antenna unit; 2, a radio frequency unit; 3 a signal and information processing unit; 4 a transmitting antenna unit; 5AP module; 6 an external connection unit; 7 a power supply unit; and 8, debugging an interface.
Detailed Description
The following description of the preferred embodiments of the present invention is provided for the purpose of illustration and description, and is not intended to limit the invention.
Example 1
As shown in fig. 1, a purifying signal repeater includes a receiving antenna unit 1, a radio frequency unit 2, a transmitting antenna unit 3, a power supply unit 4, and a signal and information processing unit 5; the receiving antenna unit 1 consists of a low noise amplifier (low noise amplifier), a combiner and an antenna housing, wherein the antenna housing is connected with the combiner through the low noise amplifier and is used for receiving navigation signals of a GPS-L1 frequency point, a GLONASS-R1 frequency point, a BD2-B1 frequency point and a BD2-B3 frequency point; navigation signals of a GPS-L1 frequency point, a GLONASS-R1 frequency point, a BD2-B1 frequency point and a BD2-B3 frequency point received by the antenna cover are amplified by a low-noise amplifier respectively, synthesized by a combiner and then sent to the frequency unit 2; the radio frequency unit 2 firstly amplifies an input radio frequency signal, then divides the signal into four paths through the power divider 1, wherein one path is directly transmitted through a transmitting antenna after being amplified by the amplifier, the other three paths are respectively transmitted into a GPS-L1 down-conversion channel, a GLONASS-R1 down-conversion channel and a BD2 frequency-conversion channel and then converted into an intermediate frequency signal, and the intermediate frequency signal is converted into a digital signal through A/D and then transmitted into the signal and information processing unit 3; the signal and information processing unit 3 comprises an FPGA signal processing unit, a DSP information processing unit and an interface circuit, the FPGA signal processing unit despreads and demodulates the digital signal, analyzes the satellite navigation information, measures the signal-to-noise ratio, the pseudo range and the pseudo range rate at the moment, transmits the satellite navigation information to the debugging interface 8 through the interface circuit, reports the satellite navigation information to the computer for monitoring in real time, and monitors the current satellite state in real time.
The radio frequency unit 2, the power supply unit 4 and the signal and information processing unit 5 are arranged in the host box; the receiving antenna unit 1 and the transmitting antenna unit 3 are positioned outside the main case and connected with the main case through cables;
the transmitting antenna unit 4 consists of an amplifier, a controllable attenuator, a transmitting antenna and a transmitting antenna outer cover;
the AP module 5 is used for connecting a touch display screen in the external unit 6 and an FPGA signal processing unit in the signal and information processing unit 3, and the touch display screen controls the signal and the FPGA signal processing unit in the information processing unit 3 by controlling the AP module 5, so that the on-off and the power of each path of forwarding channel in the radio frequency unit 2 are controlled.
The external unit 6 consists of a touch display screen and a switch button; the touch display screen is used for controlling the on-off and the power of each forwarding channel; the switch button is used to switch on and off the transponder.
The power supply unit 7 is composed of a power supply module and a power supply chip. 12V in FIG. 1: and 5V of external input voltage supplies power to the display screen, the amplifier, the receiving antenna and the interface circuit, and 3.3V, 2.5V, 1.8V and 1.2V are used for supplying power to an FPGA, a DSP and an ARM core processing chip.
The debugging interface 8 is used for being externally connected with a computer; and is connected with the interface circuit through a cable.
Claims (9)
1. Purification formula signal repeater, its characterized in that: the device comprises a receiving antenna unit, a radio frequency unit, a transmitting antenna unit, a power supply unit and a signal and information processing unit; the receiving antenna unit is used for receiving navigation signals of a GPS-L1 frequency point, a GLONASS-R1 frequency point, a BD2-B1 frequency point and a BD2-B3 frequency point; the received navigation signals of the GPS-L1 frequency point, the GLONASS-R1 frequency point, the BD2-B1 frequency point and the BD2-B3 frequency point are amplified by low noise amplifiers respectively and then are synthesized by a combiner and then are sent to the frequency input unit; the radio frequency unit firstly amplifies an input radio frequency signal, then divides the signal into four paths through the power divider, wherein one path is directly transmitted through a transmitting antenna after being amplified by the amplifier, the other three paths are respectively transmitted into a GPS down-conversion channel, a GLONASS down-conversion channel and a BD2 frequency-conversion channel and then converted into an intermediate frequency signal, and the intermediate frequency signal is converted into a digital signal through A/D and transmitted into the signal and information processing unit; the signal and information processing unit is used for carrying out de-spreading and demodulation processing on the digital signal, resolving satellite navigation information, measuring the signal-to-noise ratio, pseudo range and pseudo range rate at the moment, transmitting the satellite navigation information to a debugging interface through an interface circuit, reporting the satellite navigation information to a computer for monitoring in real time, and monitoring the current satellite state in real time.
2. The purifyed signal repeater as recited in claim 1, wherein: the radio frequency unit, the power supply unit and the signal and information processing unit are arranged in the host box; the receiving antenna unit and the transmitting antenna unit are positioned outside the main case and are connected with the main case through cables.
3. The purifyed signal repeater as recited in claim 1, wherein: the receiving antenna unit is composed of a low noise amplifier, a combiner and an antenna housing, and the antenna housing is connected with the combiner through the low noise amplifier.
4. The purifyed signal repeater as recited in claim 1, wherein: the signal and information processing unit comprises an FPGA signal processing unit, a DSP information processing unit and an interface circuit.
5. The purifyed signal repeater as recited in claim 1, wherein: the transmitting antenna unit consists of an amplifier, a controllable attenuator, a transmitting antenna and a transmitting antenna outer cover.
6. The purifyed signal repeater as recited in claim 1, wherein: the AP module is used for connecting a touch display screen in an external unit and an FPGA signal processing unit in the signal and information processing unit, and the touch display screen controls the signal and the FPGA signal processing unit in the information processing unit by controlling the AP module so as to control the on-off and the power of each path of forwarding channel in the radio frequency unit.
7. The purifyed signal repeater as recited in claim 6, wherein: the external unit consists of a touch display screen and a switch button; the touch display screen is used for controlling the on-off and the power of each forwarding channel; the switch button is used to switch on and off the transponder.
8. The purifyed signal repeater as recited in claim 1, wherein: the power supply unit consists of a power supply module and a power supply chip.
9. The purifyed signal repeater as recited in claim 1, wherein: the debugging interface is used for being externally connected with a computer; and is connected with the interface circuit through a cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920347972.6U CN210405298U (en) | 2019-03-19 | 2019-03-19 | Purification type signal repeater |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201920347972.6U CN210405298U (en) | 2019-03-19 | 2019-03-19 | Purification type signal repeater |
Publications (1)
Publication Number | Publication Date |
---|---|
CN210405298U true CN210405298U (en) | 2020-04-24 |
Family
ID=70336636
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201920347972.6U Expired - Fee Related CN210405298U (en) | 2019-03-19 | 2019-03-19 | Purification type signal repeater |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN210405298U (en) |
-
2019
- 2019-03-19 CN CN201920347972.6U patent/CN210405298U/en not_active Expired - Fee Related
Similar Documents
Publication | Publication Date | Title |
---|---|---|
AU2003277772A1 (en) | Device for telemonitoring the state of aerial power lines (variants) | |
CN102253395A (en) | Communicator applied to Beidou satellites and method thereof | |
CN202939308U (en) | Satellite navigation signal transponder | |
CN202975327U (en) | Multi-frequency satellite signal forwarding equipment | |
CN113131994B (en) | Integrated intelligent shipborne satellite communication system | |
CN208384102U (en) | A kind of ″Beidou″ beacon equipment applied to black box | |
CN202014247U (en) | Communicator applied to Beidou satellite | |
CN210405298U (en) | Purification type signal repeater | |
CN207882445U (en) | The Big Dipper is combined antenna assembly and electric-power metering, power information harvester | |
CN101363887A (en) | Unmanned helicopter-mounted aerial frequency spectrum monitoring system | |
CN204421956U (en) | A kind of beacon telemetering remote control terminal based on Beidou satellite navigation and system | |
CN108089213B (en) | Low-power-consumption control method for Beidou satellite communication positioning device | |
CN103312423A (en) | Multimode satellite receiver tracking source switch testing device | |
CN116488678B (en) | Communication module with passive and active antenna switching function and antenna switching method | |
US20150063430A1 (en) | Transceiver | |
CN203933628U (en) | Satellite-signal repeater | |
CN204989484U (en) | Multimode active antenna | |
CN215010224U (en) | C-band radio frequency front end assembly | |
CN102062863A (en) | Satellite navigation RF (Radio-Frequency) module | |
CN104682984A (en) | Signal transmission system | |
CN204993349U (en) | Controllable formula multifrequency satellite signal forwarding unit | |
CN209982493U (en) | Multi-channel voice data switching circuit | |
CN100391123C (en) | Repeater for automatic testing of antenna isolation and test method thereof | |
CN211603486U (en) | Battery detection system based on Beidou satellite communication | |
CN205210304U (en) | High accuracy range unit based on UWB radio |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200424 |
|
CF01 | Termination of patent right due to non-payment of annual fee |