CN210405298U - Purification type signal repeater - Google Patents

Purification type signal repeater Download PDF

Info

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
Application number
CN201920347972.6U
Other languages
Chinese (zh)
Inventor
邵杰
谢云龙
王路生
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Weixinjie Technology Development Co ltd
Original Assignee
Beijing Weixinjie Technology Development Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Beijing Weixinjie Technology Development Co ltd filed Critical Beijing Weixinjie Technology Development Co ltd
Priority to CN201920347972.6U priority Critical patent/CN210405298U/en
Application granted granted Critical
Publication of CN210405298U publication Critical patent/CN210405298U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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

Purification type signal repeater
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.
CN201920347972.6U 2019-03-19 2019-03-19 Purification type signal repeater Expired - Fee Related CN210405298U (en)

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)

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
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
CN113131994B (en) Integrated intelligent shipborne satellite communication 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
CN208384102U (en) A kind of ″Beidou″ beacon equipment applied to black box
CN203933628U (en) Satellite-signal repeater
US9413431B2 (en) Transceiver
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
CN215420280U (en) Ku-waveband multi-channel high-power TR (transmitter-receiver) assembly
CN204993349U (en) Controllable formula multifrequency satellite signal forwarding unit
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