CN218728039U - System for using rotating holder to drive antenna to search GNSS interference - Google Patents
System for using rotating holder to drive antenna to search GNSS interference Download PDFInfo
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- CN218728039U CN218728039U CN202222891838.7U CN202222891838U CN218728039U CN 218728039 U CN218728039 U CN 218728039U CN 202222891838 U CN202222891838 U CN 202222891838U CN 218728039 U CN218728039 U CN 218728039U
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Abstract
The utility model discloses an use system that rotatory cloud platform drive antenna seeked GNSS interference, include: the antenna, rotatory cloud platform and GNSS disturb look-up equipment, the antenna is high gain directional antenna, the antenna is installed on rotatory cloud platform, rotatory cloud platform includes horizontal rotating part and vertical rotation part, 360 horizontal direction continuous rotations are realized to the horizontal rotating part, vertical rotation part realizes that-90 is rotatory to +90 vertical direction, GNSS disturb look-up equipment carries out analysis calculation to the radio frequency signal that the antenna was received and handles. Adopt high gain's directional aerial, recycle rotatory cloud platform and drive the antenna and rotate the signal that receives different position, realize all-round high performance signal monitoring, compare in traditional omnidirectional antenna's general gain, the utility model discloses can realize the monitoring of radio signal high gain omnidirectional. Because the signal monitoring of all-round high performance can be realized, consequently can increase monitoring range, equipment quantity can be saved.
Description
Technical Field
The utility model relates to the field of communications, especially, relate to a system for use rotatory cloud platform drive antenna to seek GNSS interference.
Background
GNSS (global navigation satellite system) has enabled civilian systems to use its positioning services since 2000, the range of applications and the number of users has increased rapidly.
With the popularization of GNSS technology and the continuous development of scientific technology, more and more vehicles and mobile devices begin to rely on GNSS positioning to assist in achieving their own functions, such as airplanes, ships, automobiles, unmanned aerial vehicles, outdoor positioning devices, and the like, with airplanes being the most common. With the popularization of GNSS technology, the number of relevant reporting cases of GNSS signal interference is increasing year by year, and the areas where signal interference occurs tend to be more concentrated.
The interference of the currently generated GPS is also classified into two types, namely a pressing type interference and a deceptive type interference, like the common electronic interference. The suppressed interference includes narrow-band interference (aiming type), wide-band interference (blocking type), continuous interference and impulse interference in interference action time. Deceptive jamming is the transmission of jamming signals similar to GPS signals that misdirect a GPS receiver from accurate navigation and positioning. The way of finding GNSS interference is mainly by monitoring radio signals within the GPS frequency range for finding.
The system for searching for GNSS interference in the market is mainly a positioning system for detecting GNSS interference through air-ground coordination. The system comprises a GNSS gridding interference detection and positioning subsystem, a GNSS ground mobile interference detection and positioning subsystem and a GNSS airborne interference detection and positioning subsystem. The GNSS gridding interference detection and positioning subsystem comprises a gridding data processing center and at least four GNSS interference detection terminals deployed around and in a coverage area; the GNSS airborne interference detection positioning subsystem comprises airborne interference detection direction-finding equipment and ground data processing equipment which are deployed in the air of a coverage area.
The prior art GNSS interference searching system has the following problems:
1. the performance index of the antenna is poor, most of the prior art adopts an omnidirectional antenna, the gain of the omnidirectional antenna cannot be achieved, and the gain in the horizontal direction is not obvious, so the monitoring distance is much smaller;
2. the equipment composition is complex, most GNSS interference detection systems adopt a gridding data processing center and at least four GNSS interference detection terminals deployed around and in a coverage area, and because the monitoring distance of an omnidirectional antenna is short, at least four interference detection terminals are needed.
Accordingly, the prior art is deficient and needs improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims at overcoming prior art's not enough, providing an use rotatory cloud platform drive antenna to seek the system that GNSS disturbed, realize that all-round high performance GNSS interfering signal monitors and seeks.
The technical scheme of the utility model as follows: a system for locating GNSS interference using a rotating pan/tilt drive antenna, comprising: antenna, rotatory cloud platform and GNSS disturb look-up equipment, the antenna is high gain directional antenna, the antenna is installed rotatory cloud bench, rotatory cloud platform includes horizontal rotating part and vertical rotation part, 360 horizontal direction continuous rotation are realized to the horizontal rotating part, vertical rotation part realizes that-90 is rotatory to +90 vertical direction, GNSS disturb look-up equipment is right the radio frequency signal that the antenna was received carries out analytic calculation processing.
Further, the GNSS interference search apparatus includes: the industrial control mainboard comprises an industrial control mainboard, a signal processing module, a receiver module, a switch module and a power supply module, wherein radio-frequency signals received by the antenna enter the receiver module after being processed by the signal processing module and amplified by internal filtering, and the receiver module converts the radio-frequency signals into data streams which pass through the switch module and then are transmitted to the industrial control mainboard.
Further, the antenna is a yagi antenna.
Furthermore, the industrial control mainboard comprises a voice card, and an audio output port is arranged on the GNSS interference searching equipment.
By adopting the scheme, the utility model discloses following beneficial effect has:
1. the high-gain directional antenna is adopted, the rotating holder is utilized to drive the antenna to rotate to receive signals in different directions, and the omnidirectional high-performance signal monitoring is realized;
2. because the signal monitoring of all-round high performance can be realized, consequently can increase monitoring range, equipment quantity can be saved.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a system diagram of the GNSS interference search apparatus of the present invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, the present invention provides a system for searching GNSS interference using a rotating pan/tilt/drive antenna, including: antenna 1, rotatory cloud platform 2 and GNSS interference look-up equipment 3. The antenna 1 is a high-gain directional antenna, in this embodiment, the antenna 1 is a yagi antenna with a gain of 15dbi (a main lobe coverage range of 30 degrees), which can meet the gain requirement and the spurious suppression requirement.
The antenna 1 is installed on the rotating holder 2, and the rotating holder 2 rotates continuously to receive signals in different directions and analyze signal intensity changes. This embodiment adopts outdoor heavy cloud platform, and it includes horizontal rotation portion and vertical rotation portion, and horizontal rotation portion can 360 continuous rotations, and vertical rotation portion can be at-90 to +90 rotatory. The omnidirectional of the antenna is realized by rotating the holder 2, so that the scheme can adopt a directional antenna with high gain. And the traditional omnidirectional antenna is adopted, so that the omnidirectional antenna has low gain and short monitoring distance. The scheme carries the rotary holder and can adopt a directional antenna, the gain of the directional antenna is high, and the monitoring range is large.
The GNSS interference searching device 3 analyzes, calculates and processes the radio frequency signal received by the antenna, the GNSS interference searching device 3 receives the radio signal of the antenna, processes the radio frequency signal, and controls the direction of the antenna by rotating the holder 2, thereby realizing the GNSS interference searching.
Referring to fig. 2, the GNSS interference searching apparatus 3 includes: the industrial control system comprises an industrial control main board 31, a signal processing module 32, a receiver module 33, a switch module 34 and a power supply module 35. The industrial control mainboard 31 comprises a voice card, and an audio output port is arranged on the GNSS interference searching device 3.
The circuit control: the commercial power AC 220V is connected into the power supply module, and the power supply module 35 is used for processing and converting the processed power supply into power supply output matched with each module.
Controlling equipment: the equipment and the industrial control main board 31 are in the same local area network through the internal switch module 34, and the LAN port is used for equipment control and data transmission to the outside.
Radio frequency signal flow: the radio frequency signal enters the signal processing module 32 from the antenna 1, the radio frequency signal enters the receiver module 33 after being processed and internally filtered and amplified by the signal processing module 32, and the receiver module 33 converts the radio frequency signal into a data stream and transmits the data stream to the industrial control main board 31 after passing through the switch module 34.
Internal control: the industrial control main board 31 controls the receiver module 33, the signal processing module 32 and the rotary pan/tilt head 2 by sending control instructions to different serial ports. The control instruction comprises that after the radio frequency signal data stream is actively transmitted and received, the control instruction is automatically transmitted to each serial port after internal processing logic.
Audio streaming: the rf signals processed by the signal processing module 32 and received by the receiver module 33 are transmitted to the voice card of the industrial control motherboard 31, and the industrial control motherboard 31 processes the audio data and outputs the processed audio data to the audio output port of the device, and converts the processed audio data into a data file for network protocol transmission.
In this embodiment, the model of the industrial control motherboard 31 is EC3-1820, the model of the signal processing module 32 is LXK6037, and the model of the receiver module 33 is MRM100, but other models may be adopted as long as the corresponding functions are implemented.
The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (4)
1. A system for locating GNSS interference using a rotating pan/tilt drive antenna, comprising: antenna, rotatory cloud platform and GNSS disturb look-up equipment, the antenna is high gain directional antenna, the antenna is installed rotatory cloud bench, rotatory cloud platform includes horizontal rotating part and vertical rotation part, 360 horizontal direction continuous rotation are realized to the horizontal rotating part, vertical rotation part realizes that-90 is rotatory to +90 vertical direction, GNSS disturb look-up equipment is right the radio frequency signal that the antenna was received carries out analytic calculation processing.
2. The system of claim 1, wherein the GNSS interference search apparatus comprises: the industrial control mainboard comprises an industrial control mainboard, a signal processing module, a receiver module, a switch module and a power supply module, wherein radio-frequency signals received by the antenna enter the receiver module after being processed by the signal processing module and amplified by internal filtering, and the receiver module converts the radio-frequency signals into data streams which pass through the switch module and then are transmitted to the industrial control mainboard.
3. The system for finding GNSS interference using a rotating pan-tilt-drive antenna according to claim 1, wherein the antenna is a yagi antenna.
4. The system according to claim 2, wherein the industrial control motherboard comprises a voice card, and the GNSS interference searching device is provided with an audio output port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891838.7U CN218728039U (en) | 2022-10-31 | 2022-10-31 | System for using rotating holder to drive antenna to search GNSS interference |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222891838.7U CN218728039U (en) | 2022-10-31 | 2022-10-31 | System for using rotating holder to drive antenna to search GNSS interference |
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| CN218728039U true CN218728039U (en) | 2023-03-24 |
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| CN202222891838.7U Active CN218728039U (en) | 2022-10-31 | 2022-10-31 | System for using rotating holder to drive antenna to search GNSS interference |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117579991A (en) * | 2024-01-16 | 2024-02-20 | 上海铂联通信技术有限公司 | Tripod head communication antenna system, direction finding method and vehicle-mounted tripod head communication antenna system |
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2022
- 2022-10-31 CN CN202222891838.7U patent/CN218728039U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117579991A (en) * | 2024-01-16 | 2024-02-20 | 上海铂联通信技术有限公司 | Tripod head communication antenna system, direction finding method and vehicle-mounted tripod head communication antenna system |
| CN117579991B (en) * | 2024-01-16 | 2024-04-02 | 上海铂联通信技术有限公司 | Tripod head communication antenna system, direction finding method and vehicle-mounted tripod head communication antenna system |
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