CN113300087A - Multimode self-adaptive phased array satellite antenna - Google Patents
Multimode self-adaptive phased array satellite antenna Download PDFInfo
- Publication number
- CN113300087A CN113300087A CN202110429427.3A CN202110429427A CN113300087A CN 113300087 A CN113300087 A CN 113300087A CN 202110429427 A CN202110429427 A CN 202110429427A CN 113300087 A CN113300087 A CN 113300087A
- Authority
- CN
- China
- Prior art keywords
- signal
- module
- beidou
- antenna
- phased array
- 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.)
- Pending
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/28—Adaptation for use in or on aircraft, missiles, satellites, or balloons
- H01Q1/288—Satellite antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/52—Means for reducing coupling between antennas; Means for reducing coupling between an antenna and another structure
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q23/00—Antennas with active circuits or circuit elements integrated within them or attached to them
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q25/00—Antennas or antenna systems providing at least two radiating patterns
- H01Q25/04—Multimode antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q3/00—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system
- H01Q3/26—Arrangements for changing or varying the orientation or the shape of the directional pattern of the waves radiated from an antenna or antenna system varying the relative phase or relative amplitude of energisation between two or more active radiating elements; varying the distribution of energy across a radiating aperture
- H01Q3/2605—Array of radiating elements provided with a feedback control over the element weights, e.g. adaptive arrays
- H01Q3/2611—Means for null steering; Adaptive interference nulling
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Astronomy & Astrophysics (AREA)
- General Physics & Mathematics (AREA)
- Remote Sensing (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radio Relay Systems (AREA)
Abstract
The invention provides a multimode adaptive phased array satellite antenna. The method comprises the following steps: the phased array satellite antenna is used for receiving the antenna signal and the Beidou signal; the master control module is used for calculating a beam pointing code according to the Beidou information and the inertial navigation signal in combination with an anti-interference algorithm; the satellite signal processing module is electrically connected with the phased array satellite antenna and the master control module and used for carrying out amplification and filtering processing on satellite signals; the signal processing module is electrically connected with the Beidou transmitting and receiving module and the skyness transmitting and receiving module, and the anti-interference module is used for carrying out anti-interference processing on the Beidou signals and the skyness signals output by the Beidou transmitting and receiving module and the skyness transmitting and receiving module; the main control module controls the skynet transceiver module and the Beidou transceiver module according to the beam direction code to enable the main lobe of the antenna array directional diagram to point to a required signal direction, and the null of the antenna array surface is aligned to an interference source. The multimode self-adaptive phased array satellite antenna solves the problems that in the prior art, the electromechanical hole reserving mode is labor-consuming and time-consuming, inconvenient to disassemble and incapable of accurate positioning.
Description
Technical Field
The invention relates to the technical field of satellite antennas, in particular to a multimode self-adaptive phased array satellite antenna.
Background
The skyward satellite communication system undertakes the information transmission task between the ground portable vehicle-mounted platform and the S-band skyward satellite, and can complete the transmission of measurement and control data, task images, command scheduling, network management information and other services between the ground and the satellite. The information transmission process comprises the following steps: after being subjected to tandem connection by a data transmission system, the key task information is transmitted to the skyward satellite by the S-band vehicle-mounted terminal station, and is transmitted to the ground gateway station through the skyward satellite, the ground gateway station is transmitted to the skyward satellite, and the skyward satellite is transmitted to the S-band vehicle-mounted terminal station to complete transmission of the key information.
In the process of continuous development of modern electronic technology, various interference means make traditional satellite communication seriously threatened, and the deterioration of working environment makes modern satellite communication system face serious challenge.
Disclosure of Invention
The invention aims to provide a multimode adaptive phased array satellite antenna which can solve the problem that various interference means in the prior art cause serious threat to traditional satellite communication.
In order to achieve the above purpose, the invention provides the following technical scheme:
a multimode adaptive phased array satellite antenna, comprising:
the phased array satellite antenna is provided with an antenna array surface and is used for receiving an antenna signal and a Beidou signal;
the main control module is internally provided with a Beidou transceiver module and an inertial navigation module, the main control module is electrically connected with the phased array satellite antenna, the inertial navigation module is used for outputting an inertial navigation signal, the Beidou transceiver module is used for receiving a Beidou signal, amplifying and filtering the Beidou signal, and a beam pointing code is calculated according to the Beidou information and the inertial navigation signal by combining an anti-interference algorithm;
the antenna receiving and transmitting module is electrically connected with the phased array satellite antenna and the main control module and is used for amplifying and filtering the antenna signals;
the signal processing module is electrically connected with the Beidou transceiver module and the skynet transceiver module, and the anti-interference module is used for carrying out anti-interference processing on the Beidou signals and the skynet signals output by the Beidou transceiver module and the skynet transceiver module;
and the main control module enables the main lobe of the antenna array directional diagram to point to the required signal direction according to the beam pointing code, so that the null of the antenna array surface is aligned to the interference source.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the Beidou receiving module is provided with a B1 receiving circuit, and the B1 receiving circuit filters and amplifies the Beidou signal.
Further, the big dipper receiving module has a B3 anti-jamming circuit, the B3 anti-jamming circuit is right the big dipper signal carries out filtering and amplification, will big dipper signal conversion is intermediate frequency signal, and will intermediate frequency signal transmits for signal processing module does the up-conversion to the intermediate frequency signal after accomplishing anti-jamming and handles.
Further, big dipper receiving module has RD and receives anti-jamming circuit, RD receives anti-jamming circuit and carries out filtering amplification to big dipper signal, will big dipper signal conversion is intermediate frequency signal, and will intermediate frequency signal transmits for signal processing module does the up-conversion to the intermediate frequency signal after accomplishing anti-jamming and handles.
Furthermore, the skynting transceiver module is provided with a skynting receiving sampling circuit, the skynting receiving sampling circuit is used for filtering and amplifying skynting signals, converting the skynting signals into intermediate frequency signals, performing analog-to-digital conversion on the intermediate frequency signals, and providing the intermediate frequency signals to the main control module after sampling.
Furthermore, the skynting transceiver module is provided with a skynting digital-to-analog conversion circuit, and the skynting digital-to-analog conversion circuit performs digital-to-analog conversion on the digital module after the anti-interference processing is completed by the main control module, and performs filtering amplification after performing up-conversion processing on the generated intermediate frequency signal.
Further, the skynting transceiver module is provided with a skynting transmitting circuit; and the skynting transmitting circuit is used for filtering, amplifying and phase-shifting the skynting signal.
Furthermore, the signal processing module is provided with an ADC (analog-to-digital converter) sampling module and an adaptive signal processor, the skynet signal and the Beidou signal are filtered and amplified and then pass through the ADC sampling module and the adaptive signal processor, the signal processing module adopts an interference suppression processing algorithm to calculate the optimal weighted vector W, and beam forming is carried out on the skynet signal and the Beidou signal.
Furthermore, the multimode adaptive phased array satellite antenna further comprises a multiplexer and a receiver, the multiplexer is electrically connected with the signal processing module and the main control module, the receiver is electrically connected with the multiplexer, and the antenna signal and the Beidou signal after beam forming are transmitted to the receiver through the multiplexer.
Furthermore, the phased array satellite antenna comprises M antenna array elements, N taps are arranged behind each antenna array element, the delay is T, each stage of delay forms FIR filtering viewed from each array element channel, and interference is removed in a time domain; and viewed from the same time delay node, different antenna array elements form spatial filtering for distinguishing a spatial interference source, and the peak value of the spatial filtering is the position of a target.
The invention has the following advantages:
according to the multimode self-adaptive phased array satellite antenna, the profile of the antenna is reduced through the phased array satellite antenna without any moving part, so that the antenna is miniaturized; the phased array satellite antenna can support Beidou and skywalking integrated communication, and the integration level is high; the phased array satellite antenna adopts spatial filtering, so that the null of antenna beams can be always aligned to an interference source, the influence of interference on communication is reduced, and the communication antenna is more stable in severe environment; the phased array satellite antenna adopts the main control module to control the direction and the shape of an antenna wave beam, and the response speed is high. The problem that various interference means in the prior art cause the traditional satellite communication to be seriously threatened is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a multimode adaptive phased array satellite antenna control in an embodiment of the invention;
FIG. 2 is a schematic diagram of a signal processing module according to an embodiment of the present invention;
FIG. 3 is a block diagram of an adaptive anti-jamming implementation in an embodiment of the present invention;
fig. 4 is a hardware block diagram of a signal processing module according to an embodiment of the present invention.
Description of reference numerals:
the system comprises a phased array satellite antenna 10, a main control module 20, a Beidou transceiver module 201, an inertial navigation module 202, an skyward communication transceiver module 30, a signal processing module 40, an ADC sampling module 401 and an adaptive signal processor 402.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in fig. 1-4, a multimode adaptive phased array satellite antenna, comprising:
a phased array satellite antenna 10 having an antenna array surface for receiving an antenna signal and a Beidou signal; the phased array satellite antenna 10 has no moving parts compared to conventional mechanical parabolic antennas, and therefore the phased array satellite antenna 10 has a greatly reduced profile and allows for antenna miniaturization.
The adaptive digital beam forming technology of the array antenna enables the satellite antenna to automatically determine clutter and interference characteristics of a working environment, analyzes the action mode of main interference, automatically adopts a corresponding anti-interference scheme, and can adaptively adjust working parameters along with the change of the environment to achieve certain optimal performance.
The main control module 20 is internally provided with a Beidou transceiver module 201 and an inertial navigation module 202, the main control module 20 is electrically connected with the phased array satellite antenna 10, the inertial navigation module 202 is used for outputting an inertial navigation signal, the Beidou transceiver module 201 is used for receiving a Beidou signal, amplifying and filtering the Beidou signal, and calculating a beam direction code according to the Beidou information and the inertial navigation signal by combining an anti-interference algorithm;
the skywalking transceiver module 30 is electrically connected with the phased array satellite antenna 10 and the main control module 20, and is used for performing amplification and filtering processing on the skywalking signal;
the signal processing module 40 is electrically connected with the Beidou transceiver module 201 and the skyway transceiver module 30, and the anti-interference module is used for performing anti-interference processing on Beidou signals and skyway signals output by the Beidou transceiver module 201 and the skyway transceiver module 30;
the main control module 20 directs the main lobe of the antenna array directional diagram to the required signal direction according to the beam direction code, so that the null of the antenna array surface is aligned to the interference source. The multimode self-adaptive phased array satellite antenna 10 supports Beidou and skywalking integrated communication, and is high in integration level.
The phased array satellite antenna 10 adopts spatial filtering to enable the null of the antenna wave beam to be always aligned to an interference source, so that the influence of interference on communication is reduced, and the satellite antenna is more stable in performance in severe environment.
The phased array antenna adopts the main control module 20 to control the direction and the shape of an antenna beam, so that the response speed is high.
The integrated antenna array skynet antenna array mainly completes the receiving and transmitting of skynet signals, the receiving of Beidou navigation signals and the passive receiving and transmitting of RDSS navigation signals, and then the integrated antenna array skynet antenna array is processed by the skynet and Beidou up-down frequency conversion and signal processing module 40 and then converted into analog signals to enter a multiplexer to be output to a receiver. The main control module 20 calculates a beam direction code according to the big dipper information and the inertial navigation signal in combination with an anti-interference algorithm, and finally makes the main lobe of the antenna array directional diagram point to a required signal direction, so that the null notch of the antenna array directional diagram points to an interference direction, thereby achieving the purposes of enhancing useful signals and inhibiting interference.
On the basis of the technical scheme, the invention can be further improved as follows:
further, the Beidou receiving module is provided with a B1 receiving circuit, and the B1 receiving circuit filters and amplifies the Beidou signal.
Further, the big dipper receiving module has a B3 anti-jamming circuit, the B3 anti-jamming circuit is right the big dipper signal carries out filtering and amplification, will the big dipper signal conversion is intermediate frequency signal, and will intermediate frequency signal transmits for signal processing module 40, does the up-conversion to the intermediate frequency signal after accomplishing anti-jamming and handles.
Further, big dipper receiving module has RD and receives anti-jamming circuit, RD receives anti-jamming circuit and carries out filtering amplification to big dipper signal, will big dipper signal conversion is intermediate frequency signal, and will intermediate frequency signal transmits for signal processing module 40 is the up-conversion to the intermediate frequency signal after accomplishing anti-jamming and is handled.
Further, the skynting transceiver module 30 has a skynting receiving sampling circuit, and the skynting receiving sampling circuit performs filtering amplification on a skynting signal, converts the skynting signal into an intermediate frequency signal, performs analog-to-digital conversion on the intermediate frequency signal, and provides the sampled intermediate frequency signal to the main control module 20.
Further, the skyway transceiver module 30 has a skyway digital-to-analog conversion circuit, and the skyway digital-to-analog conversion circuit performs digital-to-analog conversion on the digital module after the main control module 20 completes the anti-interference processing, and performs filtering amplification after performing up-conversion on the generated intermediate frequency signal.
Further, the skyward transceiver module 30 has a skyward transmitting circuit; and the skynet transmitting circuit is used for filtering, amplifying and phase-shifting the skynet signal.
Further, the signal processing module 40 has an ADC sampling module 401 and an adaptive signal processor 402, the skynet signal and the beidou signal are filtered and amplified and then pass through the ADC sampling module and the adaptive signal processor 402, the signal processing module 40 calculates an optimal weighting vector W by using an interference suppression processing algorithm, and performs beamforming on the skynet signal and the beidou signal.
As shown in fig. 4, the skywalking and beidou satellite signals are received by the antenna array surface, are respectively acquired by the multiple ADCs after being processed by amplification, filtering and the like, are directly sent to the FPGA to be processed by the adaptive anti-interference algorithm, then the optimal weighting vector is calculated, and finally beam synthesis is performed, and the signals after anti-interference are output to the receiver through DA data conversion.
As shown in fig. 2, the specific implementation steps of interference resistance are as follows: when satellite signals and interference signals enter the array antenna from different spatial directions, and the adaptive antenna is started, the system performs space-time joint anti-interference calculation on the ADC sampling signals and synchronously outputs intermediate-frequency signals after interference suppression.
Further, the multimode adaptive phased array satellite antenna 10 further includes a multiplexer and a receiver, the multiplexer is electrically connected to the signal processing module 40 and the main control module 20, the receiver is electrically connected to the multiplexer, and the antenna signal and the beidou signal after beam forming are transmitted to the receiver through the multiplexer.
As shown in fig. 3, the phased array satellite antenna 10 includes M antenna array elements, N taps are provided behind each antenna array element, the delay is T, and each stage of delay forms FIR filtering viewed from each array element channel, so that interference can be removed in a time domain; from the same time delay node, different antenna array elements form spatial filtering for distinguishing spatial interference sources, and the peak value of the spatial filtering is the position of a target. The method is mainly used for suppressing various interferences including broadband.
The adaptive beam forming is to make the main lobe of the array directional diagram point to the required signal direction by weighting each array element sensor to make spatial filtering, and make its null point to the interference direction, thus achieving the purpose of enhancing useful signal and suppressing interference. Under the countermeasure condition that an interference source exists, the energy of signals interfering communication is very strong relative to satellite signals, null of antenna beams can be always aligned to the interference source by using spatial filtering, the influence of interference on communication is reduced, and the satellite antenna is more stable in performance under severe environment.
The whole product of the multimode self-adaptive phased array satellite antenna 10 is a domestic device, and the dependence on foreign high technology is eliminated under the complex international situation at present.
The invention has the characteristics of high equipment integration level, convenient installation, quick opening, strong anti-interference capability, no limitation of a ground system on the system and little influence of terrain and ground objects.
The invention not only can meet the urgent need of emergency communication in China and improve the capability of coping with sudden public events in China, but also has very important significance for ensuring the communication safety in China.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include more than one of the feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "mounted," "connected," and "connected" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and such modifications and substitutions do not depart from the spirit and scope of the present invention as defined by the appended claims.
Claims (10)
1. A multimode adaptive phased array satellite antenna, comprising:
the phased array satellite antenna is provided with an antenna array surface and is used for receiving an antenna signal and a Beidou signal;
the main control module is internally provided with a Beidou transceiver module and an inertial navigation module, the main control module is electrically connected with the phased array satellite antenna, the inertial navigation module is used for outputting an inertial navigation signal, the Beidou transceiver module is used for receiving a Beidou signal, amplifying and filtering the Beidou signal, and calculating a beam direction code according to the Beidou information and the inertial navigation signal by combining an anti-interference algorithm;
the antenna receiving and transmitting module is electrically connected with the phased array satellite antenna and the main control module and is used for amplifying and filtering the antenna signals;
the signal processing module is electrically connected with the Beidou transceiver module and the skynet transceiver module, and the anti-interference module is used for carrying out anti-interference processing on the Beidou signals and the skynet signals output by the Beidou transceiver module and the skynet transceiver module;
and the main control module enables the main lobe of the antenna array directional diagram to point to the required signal direction according to the beam pointing code, so that the null of the antenna array surface is aligned to the interference source.
2. The multimode adaptive phased array satellite antenna of claim 1, wherein the Beidou receiving module has a B1 receiving circuit, and the B1 receiving circuit filters and amplifies Beidou signals.
3. The multimode adaptive phased array satellite antenna of claim 2, wherein the Beidou receiving module has a B3 anti-jamming circuit, the B3 anti-jamming circuit filters and amplifies the Beidou signal, converts the Beidou signal into an intermediate frequency signal, transmits the intermediate frequency signal to the signal processing module, and performs up-conversion processing on the intermediate frequency signal after the anti-jamming is completed.
4. The multimode adaptive phased array satellite antenna of claim 3, wherein the Beidou receiving module is provided with an RD receiving anti-jamming circuit, the RD receiving anti-jamming circuit filters and amplifies Beidou signals, converts the Beidou signals into intermediate frequency signals, transmits the intermediate frequency signals to the signal processing module, and performs up-conversion processing on the intermediate frequency signals after the anti-jamming is completed.
5. The multimode adaptive phased array satellite antenna of claim 4, wherein the skyway transceiver module comprises a skyway receiving sampling circuit, the skyway receiving sampling circuit filters and amplifies a skyway signal, converts the skyway signal into an intermediate frequency signal, performs analog-to-digital conversion on the intermediate frequency signal, and provides the intermediate frequency signal to the main control module after sampling.
6. The multimode adaptive phased array satellite antenna according to claim 5, wherein the skyway transceiver module has a skyway digital-to-analog conversion circuit, and the skyway digital-to-analog conversion circuit performs digital-to-analog conversion on the digital module after the main control module completes the anti-interference processing, and performs filtering amplification after performing up-conversion on the generated intermediate frequency signal.
7. The multimode adaptive phased array satellite antenna of claim 6, wherein the skyward transceiver module has skyward transmit circuitry; and the skynting transmitting circuit is used for filtering, amplifying and phase-shifting the skynting signal.
8. The multimode adaptive phased array satellite antenna of claim 1, wherein the signal processing module has an ADC sampling module and an adaptive signal processor, the skywalking signal and the beidou signal are filtered and amplified and then pass through the ADC sampling module and the adaptive signal processor, and the signal processing module calculates an optimal weighting vector W by using an interference suppression processing algorithm to perform beamforming on the skywalking signal and the beidou signal.
9. The multi-mode adaptive phased array satellite antenna according to any one of claims 1 to 8, wherein the multi-mode adaptive phased array satellite antenna further comprises a multiplexer and a receiver, the multiplexer is electrically connected with the signal processing module and the main control module, the receiver is electrically connected with the multiplexer, and the antenna signal and the Beidou signal after beam forming are transmitted to the receiver through the multiplexer.
10. The multimode adaptive phased array satellite antenna of claim 9, wherein the phased array satellite antenna comprises M antenna elements, each antenna element is followed by N taps with a delay of T, and each stage of delay forms FIR filtering from each element channel to remove interference in the time domain; and viewed from the same time delay node, different antenna array elements form spatial filtering for distinguishing a spatial interference source, and the peak value of the spatial filtering is the position of a target.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429427.3A CN113300087A (en) | 2021-04-21 | 2021-04-21 | Multimode self-adaptive phased array satellite antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110429427.3A CN113300087A (en) | 2021-04-21 | 2021-04-21 | Multimode self-adaptive phased array satellite antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113300087A true CN113300087A (en) | 2021-08-24 |
Family
ID=77320023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110429427.3A Pending CN113300087A (en) | 2021-04-21 | 2021-04-21 | Multimode self-adaptive phased array satellite antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113300087A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120268321A1 (en) * | 2011-04-19 | 2012-10-25 | The Boeing Company | Global Positioning System Signal Reception with Increased Resistance to Interference |
| CN102879790A (en) * | 2011-07-13 | 2013-01-16 | 北京泰豪联星技术有限公司 | Anti-interference system and method based on digital beam forming and space-time zeroing cascade |
| CN107643532A (en) * | 2017-07-31 | 2018-01-30 | 广州海格通信集团股份有限公司 | Satellite navigation signals processing method and processing device, computer equipment and storage medium |
-
2021
- 2021-04-21 CN CN202110429427.3A patent/CN113300087A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120268321A1 (en) * | 2011-04-19 | 2012-10-25 | The Boeing Company | Global Positioning System Signal Reception with Increased Resistance to Interference |
| CN102879790A (en) * | 2011-07-13 | 2013-01-16 | 北京泰豪联星技术有限公司 | Anti-interference system and method based on digital beam forming and space-time zeroing cascade |
| CN107643532A (en) * | 2017-07-31 | 2018-01-30 | 广州海格通信集团股份有限公司 | Satellite navigation signals processing method and processing device, computer equipment and storage medium |
Non-Patent Citations (2)
| Title |
|---|
| 何永前等: "北斗卫星导航系统抗干扰技术研究与实现", 《舰船电子工程》 * |
| 张洪太等: "《卫星通信技术》", 31 May 2018, 北京理工大学出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109633568B (en) | Design method of all-digital array radar beam former based on optical fiber interface | |
| CN110412620B (en) | Anti-interference antenna signal processing device | |
| US9596024B2 (en) | Multi-channel communication optimization methods and systems | |
| CN112204892B (en) | Millimeter Wave (MMWAVE) system and method | |
| CN113472371B (en) | Adaptive array antenna digital beam synthesis anti-interference processing method | |
| CN106291605B (en) | A kind of satellite navigation anti-interference reception system | |
| JP2003522465A (en) | Linear signal separation using polarization diversity | |
| KR102001394B1 (en) | Method of estimating DOA of received signals based on logarithmic-domain antenna array interpolation, and apparatus for the same | |
| CN111509404A (en) | Multifunctional phased array antenna for satellite broadcast data reception and wind profile measurement | |
| CN112532308B (en) | Anti-interference zero-setting system | |
| CN103701515B (en) | Digital multi-beam forming method | |
| CN115542243A (en) | Interferometer direction finding method and system based on array antenna | |
| CN113993074A (en) | 5G base station signal transceiving device and target positioning method | |
| CN111092633B (en) | System and method for increasing excitation distance of transmit-receive separation backscatter communication | |
| CN101572574A (en) | Smart antenna self-adapting interference suppression method based on least square-lowest mean square | |
| US20110151908A1 (en) | Mobile communication system, base station and interference cancellation method | |
| CN103248412B (en) | A kind of method of satellite navigation Multibeam synthesis | |
| CN113300087A (en) | Multimode self-adaptive phased array satellite antenna | |
| CN109669167B (en) | Airborne radar emission waveform selection method based on radio frequency stealth | |
| CN112269165A (en) | Interference method and system acting on self-adaptive side lobe cancellation system | |
| KR20010110401A (en) | Broadband-wireless repeater apparatus for mobile communication using a beam form technique | |
| CN210243826U (en) | Radar multichannel signal preprocessing device and pulse compression unit thereof | |
| KR20000012806A (en) | method for shaping a beam and system for performming the same | |
| CN113994596B (en) | Transmitting and receiving device for vehicle and vehicle with same | |
| CN106603144A (en) | Cyclicstationary wavebeam forming method and system for airborne satellite navigation platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210824 |