CN207440296U - A kind of operating mode switching device of anti-interference satellite antenna - Google Patents
A kind of operating mode switching device of anti-interference satellite antenna Download PDFInfo
- Publication number
- CN207440296U CN207440296U CN201720757903.3U CN201720757903U CN207440296U CN 207440296 U CN207440296 U CN 207440296U CN 201720757903 U CN201720757903 U CN 201720757903U CN 207440296 U CN207440296 U CN 207440296U
- Authority
- CN
- China
- Prior art keywords
- interference
- module
- antenna
- radio
- 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.)
- Active
Links
Landscapes
- Radio Relay Systems (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The utility model discloses a kind of operating mode switching device of anti-interference satellite antenna, including anti-interference antenna, radio-frequency module, baseband processing module, anti-interference process module, immunity module, navigation receiver module and extraneous control module.In the case that this technology may be implemented in without compacting interference, by instruct or close power supply make the anti-interference antenna be operated in it is straight-through under the conditions of, the anti-interference antenna is used as conventional satellite navigation reception antenna, avoid the loss of signal that anti-interference Processing Algorithm is brought in the immunity module, and reduce the Overall Power Consumption amount of the anti-interference antenna, also can realize for two kinds of abnormalities of the anti-interference antenna internal module or external power supply module failure, the anti-interference antenna automatically switches to direct mode operation, refers to the availability of antenna significantly.Anti-interference antenna circuit described in this technology has the characteristics that fast response, strong applicability, versatility are wide.
Description
Technical field
The utility model is related to anti-interference satellite antenna technical field, more particularly to a kind of work of anti-interference satellite antenna
Operation mode switching device.
Background technology
As the foundation of Beidou satellite navigation system is with perfect, in Military Application start largely change the outfit with the Big Dipper positioning and
The navigation equipment of compatible with GPS improves the survival ability of wartime navigation equipment with this.
Military hardware is located under Information Age, and interference and the attacking and defending of AF panel are eternal topics.Due to defending
Distant and transmission power of the star from receiver is limited, and the satellite navigation signals that satellite earth antenna receives are faint, satellite letter
Number intensity be less than ambient noise.Offense carries out high-power signal pressing type using particular signal source to our satellite navigation system
Interference, causes our receiver to be disturbed noise and floods and can not work normally, in this case, with anti-interference function
Satellite earth antenna comes into being.Meet high sensitivity, high reliability, strong antijamming capability and Johnson ＆ Johnson and deposit the airborne of Capability Requirement
No. two satellite navigation aerials of the Big Dipper are largely equipped.
Anti-interference antenna adjusts array aerial direction figure, carrying out null to interference filters out, can by adaptive nulling technology
Realization effectively inhibits BDS B3 frequency point pressing type interference signals, ensures that rear end navigation neceiver can normally receive star positioning.
Traditional anti-interference antenna is after the failure of internal signal processing module, and entire antenna loses function, after directly resulting in
Receiver positioning failure is held, and anti-interference antenna still has because the carrier-to-noise ratio that algorithm is brought deteriorates under noiseless environment,
When antenna detects that there is no during interference under application environment, it is impossible to make up in real time or evade the carrier-to-noise ratio brought by Anti-interference algorithm
Deteriorate, anti-interference antenna does not have controlled straight-through function, limits the application scenario of antenna in itself, electric in signal transduction process
After the power supply trouble of source, anti-interference antenna algoritic module is stopped, and antenna stops output, and rear end receiver is caused to receive star failure.
In order to overcome the single technology drawback brought of traditional anti-interference antenna pattern, which is improved traditional anti-interference antenna,
Overcome the technological deficiency of traditional anti-interference antenna pattern.
Utility model content
The purpose of this utility model is that solve the above-mentioned problems and provides a kind of work of anti-interference satellite antenna
Mode-changeover device.
The utility model is achieved through the following technical solutions above-mentioned purpose：
A kind of operating mode switching device of anti-interference satellite antenna, including anti-interference antenna, radio-frequency module, Base-Band Processing
Module, anti-interference process module, immunity module, navigation receiver module and extraneous control module, wherein, the anti-interference antenna
For the reception of signal, and signal is passed into the radio-frequency module, the radio-frequency module inside chip by high frequency cable net
After receiving information reading, the baseband processing module, the baseband processing module pair are passed to again by high frequency cable net
After interference signal is analyzed and processed, the immunity module processor, the immunity module processing are transferred to through a cable
After module is by the filtering to interference signal, continue electric signal passing to the immunity module, the immunity module pair
The electromagnetic wave being transferred in the navigation receiver module is protected, and filters interference information, it is ensured that information is not disturbed, Neng Goushun
Profit transfer satellite-signal, the mechanism can compatible operations in traditional navigation neceiver field, the navigation receiver module is not required to
Any design modification is carried out, compatible original anti-interference antenna can be replaced completely, reduce the probability of the system failure and is led directly to
Overall Power Consumption under pattern, ensure that system service it is accurate with it is reliable.
In said structure, pattern switching mechanism includes following several：
The first：User the anti-interference antenna is connected with the navigation neceiver in the navigation receiver module it is intact,
But the anti-interference antenna power supply is broken down；Anti-interference antenna is from the navigation neceiver in the navigation receiver module at this time
RF cable takes electricity, loses anti-interference function but still can work as ordinary antennas and use.
Second：User the anti-interference antenna is connected with the navigation neceiver in the navigation receiver module it is intact,
The anti-interference antenna power supply is normal, but the anti-interference process module failure, and the anti-interference antenna automatically switches at this time
Into failure direct mode operation, the anti-interference antenna is used as ordinary antennas.
The third：User sends straight-through control by the control interface of the extraneous control module to the anti-interference antenna
Order, anti-interference antenna can close anti-interference function, realize the straight-through function of order.
Preferably, system is optimized for the power limit of navigation receiver module feed, in power supply trouble
In the case of, the radio frequency unit part in the radio-frequency module can be run with lower power consumption, both can guarantee the work of antenna in itself just
Often, power dissipation design pressure will not be brought to rear end receiver.
Preferably, system is optimized for the power limit of navigation receiver module feed, in power supply trouble
In the case of, the radio frequency unit part in the radio-frequency module can be run with lower power consumption, both can guarantee the work of antenna in itself just
Often, power dissipation design pressure will not be brought to rear end receiver.
Preferably, the antenna rf part of the anti-interference antenna is in addition to traditional satellite navigation signals receive, radio frequency
Module will also receive the control instruction of anti-interference process module, which is used to that radio-frequency module to be controlled to be operated in immunity mode.
Preferably, the anti-interference process module will be also completed in addition to normal filtering interference signals to being penetrated described in front end
The instruction control of frequency module, it is ensured that after algorithm processing module failure, the radio frequency unit of the radio-frequency module can be automatically performed from
The anti-interference switching to direct mode operation.
Advantageous effect is：In the case that this technology may be implemented in without compacting interference, made by instructing or closing power supply
The anti-interference antenna be operated in it is straight-through under the conditions of, the anti-interference antenna is used as the conventional satellite reception antenna that navigates, and is kept away
Exempt from the loss of signal that anti-interference Processing Algorithm is brought in the immunity module, and reduce the complete machine work(of the anti-interference antenna
Consumption.Also can realize for two kinds of abnormalities of the anti-interference antenna internal module or external power supply module failure, it is described anti-
Potato masher antenna automatically switches to direct mode operation, refers to the availability of antenna significantly.Anti-interference antenna circuit described in this technology has
There is the features such as fast response, strong applicability, wide versatility, various types of navigation neceivers can be flexibly applied to and application is flat
Platform provides reliable and stable location-based service for military navigation positioning field.
Description of the drawings
A kind of module composition figure of Fig. 1 operating mode switching devices of anti-interference satellite antenna described in the utility model.
The reference numerals are as follows：
1st, anti-interference antenna；2nd, radio-frequency module；3rd, baseband processing module；4th, anti-interference process module；5th, immunity module；
6th, navigation receiver module；7th, extraneous control module；8th, signal adapter；9th, power module.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
A kind of operating mode switching device of anti-interference satellite antenna, at anti-interference antenna 1, radio-frequency module 2, base band
Module 3, anti-interference process module 4, immunity module 5, navigation receiver module 6 and extraneous control module 7 are managed, wherein, it is anti-interference
Antenna 1 is used for the reception of signal, and signal is passed to radio-frequency module 2 by high frequency cable net, and 2 inside chip of radio-frequency module connects
After receiving information reading, baseband processing module 3 is passed to again by high frequency cable net, baseband processing module 3 is to interference signal
After being analyzed and processed, 5 processor of immunity module is transferred to through a cable, 5 processing module of immunity module passes through to interference
After the filtering of signal, continue electric signal passing to immunity module 5, immunity module 5 is to being transferred in navigation receiver module 6
Electromagnetic wave protected, filter interference information, it is ensured that information is not disturbed, and can smoothly transfer satellite-signal, the mechanism energy
For enough compatible operations in traditional navigation neceiver field, navigation receiver module 6 need not carry out any design modification, completely can be with
Compatible original anti-interference antenna 1 is replaced, the Overall Power Consumption under the probability and direct mode operation of the system failure is reduced, ensure that system
Service it is accurate with it is reliable.
In said structure, pattern switching mechanism includes following several：
The first：User anti-interference antenna 1 is connected with the navigation neceiver in navigation receiver module 6 it is intact, it is but anti-
The power supply of potato masher antenna 1 is broken down；Anti-interference antenna 1 takes from the navigation neceiver RF cable in navigation receiver module 6 at this time
Electricity loses anti-interference function but still can work as ordinary antennas and use.
Second：User anti-interference antenna 1 is connected with the navigation neceiver in navigation receiver module 6 it is intact, it is anti-interference
Antenna 1 is powered normally, but 4 failure of anti-interference process module, and anti-interference antenna 1 automatically switches into failure direct mode operation at this time,
Anti-interference antenna 1 is used as ordinary antennas.
The third：User sends straight-through control command by the control interface of extraneous control module 7 to anti-interference antenna 1,
Anti-interference antenna 1 can close anti-interference function, realize the straight-through function of order.
The multi-mode handover mechanism that the invention proposes, is only adjusted correspondingly 1 radio frequency of anti-interference antenna and software, leads
The rear end receiver of boat receiving module 6 need not carry out any change, you can realize the automatic of immunity mode and direct mode operation
Or control handoff functionality, meet a variety of use environments of client, the satellite navigation aerial application demand of different platform, improve simultaneously
The satellite-signal carrier-to-noise ratio index that user obtains, and user can be ensured in the power supply of anti-interference antenna 1 and anti-interference process module 4
Straight-through receipts star still is able in the case of exception.It provides real-time, reliable and stable navigation signal to the user, improves anti-interference antenna
1 availability, stability, reliability.
In order to realize 1 various states pattern switching of anti-interference antenna, anti-interference antenna 1 needs a little to be changed on circuit
Into adjustment 2 internal circuit of radio-frequency module and anti-interference process interface software are described below respectively according to unit module：
Radio frequency unit part
For above-mentioned technical proposal demand, 2 partial circuit of radio-frequency module is optimized, it is ensured that in antenna power module
On the premise of 9 failures, being fed by the RF cable with leading navigation receiver module 6, radio-frequency module 2 cuts failure direct mode operation,
Anti-interference antenna 1 loses antijamming capability, can still act as conventional satellite navigation reception antenna and normally receives satellite navigation
Signal.
It powers normally in navigation receiver module 6, receives under the controlled straight-through instruction of user, also can switch to
Controlled direct mode operation.
Anti-interference algorithm module
Anti-interference process module 4 under normal circumstances, in addition to completing the computing of algorithm, it is defeated to be also equipped with serial ports input in power supply
Go out function, data exchange is carried out with host computer.Radio-frequency module 2, which is given tacit consent to, is operated in direct mode operation, anti-interference place under immunity mode
It manages module 4 and sends immunity mode high level control instruction to radio-frequency module 2, radio-frequency module 2 is real by corresponding switching manipulation
Existing anti-interference operating mode, makes radio-frequency module 2 be operated under immunity mode.It is sent when anti-interference antenna 1 receives host computer
Straight-through control instruction when, anti-interference process module 4 sends straight-through control instruction to radio-frequency module 2 and (switches high level signal
For low level), radio-frequency module 2 recovers the straight-through operating mode of acquiescence, and anti-interference antenna 1 is realized controlled straight-through.
When 1 power failure of anti-interference antenna, anti-interference process module 4 does not start, and can not generate the height of immunity mode
Automatic level control is instructed to radio-frequency module 2, and the acquiescence of radio-frequency module 2 is operated in direct mode operation, the manual intervention of user is not required, and resists dry
It disturbs antenna 1 and is operated in failure direct mode operation.
Preferably, the power limit that system is fed for navigation receiver module 6 optimizes, in the situation of power supply trouble
Under, the radio frequency unit part in radio-frequency module 2 can be run with lower power consumption, both can guarantee antenna working properly in itself, also not
Power dissipation design pressure can be brought to rear end receiver, the power limit that system is fed for navigation receiver module 6 optimizes,
In the case of power supply trouble, the radio frequency unit part in radio-frequency module 2 can be run with lower power consumption, both can guarantee antenna in itself
It is working properly, power dissipation design pressure will not be brought to rear end receiver, the antenna rf part of anti-interference antenna 1 is except passing
Outside the satellite navigation signals of system receive, radio-frequency module 2 will also receive the control instruction of anti-interference process module 4, which is used for
Control radio-frequency module 2 is operated in immunity mode, and anti-interference process module 4 will also be completed in addition to normal filtering interference signals
The instruction of front radio-frequency module 2 is controlled, it is ensured that after algorithm processing module failure, the radio frequency unit of radio-frequency module 2 can be automatic
It completes from anti-interference to the switching of direct mode operation.
The basic principle, main feature and advantage of the utility model has been shown and described above.The technical staff of the industry
It should be appreciated that the present utility model is not limited to the above embodiments, the above embodiments and description only describe this
The principle of utility model, on the premise of not departing from the spirit and scope of the utility model, the utility model also has various change
And improvement, these various changes and improvements fall within the scope of the claimed invention.The utility model requires protection scope
It is defined by appending claims and equivalents.
Claims (5)
1. a kind of operating mode switching device of anti-interference satellite antenna, it is characterised in that：Including anti-interference antenna, radio frequency mould
Block, baseband processing module, anti-interference process module, immunity module, navigation receiver module and extraneous control module, wherein, institute
Reception of the anti-interference antenna for signal is stated, and signal is passed into the radio-frequency module, the radio frequency by high frequency cable net
After inside modules chip receives information reading, the baseband processing module, the base are passed to again by high frequency cable net
After tape handling module analyzes and processes interference signal, the immunity module processor is transferred to through a cable, it is described anti-
After interference module processing module is by the filtering to interference signal, continue electric signal passing to the immunity module, it is described
Immunity module protects the electromagnetic wave being transferred in the navigation receiver module, filters interference information, it is ensured that information is not
It is disturbed, it can smoothly transfer satellite-signal.
2. a kind of operating mode switching device of anti-interference satellite antenna according to claim 1, it is characterised in that：It is
System is optimized for the power limit of navigation receiver module feed, in the case of power supply trouble, the radio-frequency module
In radio frequency unit part can be run with lower power consumption.
3. a kind of operating mode switching device of anti-interference satellite antenna according to claim 1, it is characterised in that：It needs
The radio frequency part circuit of the radio-frequency module is optimized, realizes that the acquiescence of radio-frequency module is led directly to and immunity mode control
System switching.
4. a kind of operating mode switching device of anti-interference satellite antenna according to claim 1, it is characterised in that：It is described
In addition to traditional satellite navigation signals receive, radio-frequency module will also receive anti-interference place for the antenna rf part of anti-interference antenna
The control instruction of module is managed, which is used to that radio-frequency module to be controlled to be operated in immunity mode.
5. a kind of operating mode switching device of anti-interference satellite antenna according to claim 1, it is characterised in that：It is described
Anti-interference process module will also complete the control of the instruction to radio-frequency module described in front end, really in addition to normal filtering interference signals
After protecting algorithm processing module failure, the radio frequency unit of the radio-frequency module can be automatically performed from anti-interference cutting to direct mode operation
It changes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720757903.3U CN207440296U (en) | 2017-06-27 | 2017-06-27 | A kind of operating mode switching device of anti-interference satellite antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720757903.3U CN207440296U (en) | 2017-06-27 | 2017-06-27 | A kind of operating mode switching device of anti-interference satellite antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440296U true CN207440296U (en) | 2018-06-01 |
Family
ID=62395188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720757903.3U Active CN207440296U (en) | 2017-06-27 | 2017-06-27 | A kind of operating mode switching device of anti-interference satellite antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440296U (en) |
-
2017
- 2017-06-27 CN CN201720757903.3U patent/CN207440296U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2020019874A1 (en) | Radio frequency system, antenna switching control method, and related product | |
| US20220014229A1 (en) | Radio frequency front-end circuit and mobile terminal | |
| US8340724B2 (en) | Feeder cable reduction | |
| US8099061B2 (en) | TDD receiver protection | |
| CN108282166A (en) | Mutual interference processing method, device, storage medium and electronic equipment coexists in antenna | |
| CA3134404C (en) | Radio frequency front-end circuit and mobile terminal | |
| CN105391492A (en) | Satellite-based information transmission system | |
| CN204101730U (en) | A kind of distributed satellites navigation neceiver | |
| CN206164528U (en) | Wireless communication system and use this wireless communication system's unmanned aerial vehicle system | |
| CN103595478A (en) | High-reliability GSM-R digital optical fiber repeater and working method thereof | |
| US20120135782A1 (en) | Dual mode mobile terminal system | |
| CN106602220A (en) | Mobile terminal, antenna system thereof, and antenna switching method thereof | |
| EP3062391B1 (en) | Pcb board, terminal and method for improving anti-interference capability of pcb board | |
| CN208384102U (en) | A kind of ″Beidou″ beacon equipment applied to black box | |
| CN207440296U (en) | A kind of operating mode switching device of anti-interference satellite antenna | |
| CN203025350U (en) | Novel Big Dipper/GPS dual-mode user receiver | |
| CN205901715U (en) | Dual -band dual antenna receiving and dispatching front end circuit system | |
| CN104242966B (en) | Noise cancellation method and noise elimination apparatus | |
| CN107294558B (en) | A kind of radio circuit transmitting-receiving structure and its design method | |
| CN112769451B (en) | Information transmission/reception control method, information transmission/reception control device, electronic apparatus, and storage medium | |
| CN112332871A (en) | Antenna circuit and mobile terminal | |
| CN113156426A (en) | AIS signal level-based novel offshore surface waveguide passive monitoring method | |
| CN220273876U (en) | Air interference load system and air interference load equipment | |
| CN219610733U (en) | Antenna system and electronic device | |
| CN109756278A (en) | A kind of GPS-OTA closed loop test method eated dishes without rice or wine based on bluetooth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |