CN112073114A - Beidou satellite navigation system integrating data security function - Google Patents
Beidou satellite navigation system integrating data security function Download PDFInfo
- Publication number
- CN112073114A CN112073114A CN202010908111.8A CN202010908111A CN112073114A CN 112073114 A CN112073114 A CN 112073114A CN 202010908111 A CN202010908111 A CN 202010908111A CN 112073114 A CN112073114 A CN 112073114A
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- Prior art keywords
- module
- radio frequency
- safety
- frequency front
- beidou satellite
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
- G01S19/35—Constructional details or hardware or software details of the signal processing chain
- G01S19/37—Hardware or software details of the signal processing chain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18515—Transmission equipment in satellites or space-based relays
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/02—Protecting privacy or anonymity, e.g. protecting personally identifiable information [PII]
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Security & Cryptography (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention discloses a Beidou satellite navigation system integrating a data security function, which comprises: the radio frequency front-end module is connected with the Beidou satellite signal through the antenna module, and the output end of the radio frequency front-end module is connected with the input end of the radio frequency front-end damage correction module; a signal amplification unit including a preamplifier and a high power amplifier; the processing module comprises a noise and interference suppression module, a central processing unit and a safety processing module, wherein the safety processing module is used for encrypting or decrypting information needing to be safely set according to a set safety mode; the invention has the beneficial effects that: the noise and interference suppression module, the adaptive filter, the data filtering module and the like are arranged, so that the accuracy of data is improved; by selectively encrypting or decrypting the received information, the safety of the information can be ensured, the encrypted or decrypted information is prevented from being cracked, and the safety is further improved.
Description
Technical Field
The invention relates to the technical field of navigation systems, in particular to a Beidou satellite navigation system integrating a data security function.
Background
With the gradual advance of the global deployment of the Beidou system, the realization of the global deployment of the Glonass system and the gradual and stable operation, the steady advance of the Galileo system and the multi-system fusion of high-precision navigation and positioning become necessary trends.
However, the existing chip and board-level products, especially foreign products, are not thorough in multi-system fusion, especially multi-system fusion for the Beidou system, and due to historical burden, independent RTK implementation of the Beidou system cannot be achieved, so that the important application of a plurality of domestic national planned citizens is limited, and the application of a large number of satellites such as urban canyons and the like is blocked.
Therefore, the method for realizing the multi-system fusion high-performance high-precision positioning algorithm which is thorough, has multiple application scenes, is widely applicable and is optimized aiming at the Beidou system still is an important research direction.
Particularly, with the rapid construction of the Beidou third system, the high-precision system supports the Beidou third global system signals more urgently, so that the urgent requirement of China for realizing the full system fusion with the Beidou as the core for supporting the multi-system multi-frequency satellite navigation radio frequency receiving chip researched and developed by the project can be effectively met.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a Beidou satellite navigation system integrated with a data safety function.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides an integrated data security function's navigation for big dipper satellite, includes:
the radio frequency module comprises a radio frequency front end damage correction module and a radio frequency front end module, the radio frequency front end module is connected with the Beidou satellite signal through an antenna module, and the output end of the radio frequency front end module is connected with the input end of the radio frequency front end damage correction module;
the signal amplification unit comprises a preamplifier and a high-power amplifier, the preamplifier is connected with the radio frequency front-end damage correction module through the data filtering module, and the output end of the preamplifier is connected with the input end of the high-power amplifier;
the processing module comprises a noise and interference suppression module, a central processing unit and a safety processing module, wherein the safety processing module is used for encrypting or decrypting information needing to be safely set according to a set safety mode;
the input of noise and interference suppression module is connected in high power amplifier's output, noise and interference suppression module passes through adaptive filter and connects in wireless communication module, wireless communication module's output is connected in central processing unit's input, central processing unit's output is connected in safety processing module's input.
Preferably, the antenna module is used for sending the Beidou satellite signal to the radio frequency front end module, and the radio frequency front end module performs radio frequency front end shaping and frequency reduction processing on the received Beidou satellite signal.
Preferably, the data filtering module is used for filtering the Beidou satellite signals, filtering out unnecessary data, and converting the Beidou satellite signals into digital intermediate frequency signals through a data type conversion module arranged in the data filtering module.
Preferably, the security processing module comprises a security setting unit and a security processing unit; the security setting unit is used for setting an encryption and decryption mode; and the safety processing unit is used for receiving the encryption and decryption commands in the safety setting information according to the central processing unit, reading the encryption and decryption modes in the safety setting unit and encrypting or decrypting the information to be processed.
Preferably, the security processing module is further connected with a storage module and a database, the storage module is used for storing the information encrypted by the security processing module, and the database is used for storing the information decrypted by the security processing module and analyzing the big data.
Compared with the prior art, the invention has the beneficial effects that: the noise and interference suppression module, the adaptive filter, the data filtering module and the like are arranged, so that the accuracy of data is improved; by selectively encrypting or decrypting the received information, the safety of the information can be ensured, the encrypted or decrypted information is prevented from being cracked, and the safety is further improved.
Drawings
FIG. 1 is a schematic diagram of the system of the present invention.
In the figure: the system comprises an antenna module 1, a radio frequency front-end module 2, a radio frequency front-end damage correction module 3, a data filtering module 4, a signal amplification unit 5, a preamplifier 6, a high-power amplifier 7, a noise and interference suppression module 8, an adaptive filter 9, a wireless communication module 10, a central processing unit 11, a safety processing module 12, a storage module 13 and a database 14.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution:
the utility model provides an integrated data security function's navigation for big dipper satellite, includes:
the radio frequency module comprises a radio frequency front end damage correction module 3 and a radio frequency front end module 2, the radio frequency front end module 2 is connected with a Beidou satellite signal through an antenna module 1, and the output end of the radio frequency front end module 2 is connected with the input end of the radio frequency front end damage correction module 3;
the signal amplification unit 5 comprises a preamplifier 6 and a high-power amplifier 7, wherein the preamplifier 6 is connected to the radio frequency front-end damage correction module 3 through a data filtering module 4, and the output end of the preamplifier 6 is connected to the input end of the high-power amplifier 7;
the processing module comprises a noise and interference suppression module 8, a central processing unit 11 and a safety processing module 12, wherein the safety processing module 12 is used for encrypting or decrypting information needing safety setting according to a set safety mode;
the input of noise and interference suppression module 8 is connected in high power amplifier 7's output, noise and interference suppression module 8 passes through adaptive filter 9 and connects in wireless communication module 10, wireless communication module 10's output is connected in central processing unit 11's input, central processing unit 11's output is connected in the input of safety processing module 12.
Specifically, the antenna module 1 is used for sending the Beidou satellite signal to the radio frequency front end module 2, and the radio frequency front end module 2 performs radio frequency front end shaping and frequency reduction processing on the received Beidou satellite signal.
Specifically, the data filtering module 4 is used for filtering the Beidou satellite signals, filtering out unnecessary data, and converting the Beidou satellite signals into digital intermediate frequency signals through a built-in data type conversion module.
Specifically, the security processing module 12 includes a security setting unit and a security processing unit; the security setting unit is used for setting an encryption and decryption mode; and the security processing unit is used for receiving the encryption and decryption commands in the security setting information according to the central processing unit 11, reading the encryption and decryption modes in the security setting unit, and encrypting or decrypting the information to be processed.
Specifically, the security processing module 12 is further connected to a storage module 13 and a database 14, the storage module 13 is configured to store information encrypted by the security processing module 12, and the database 14 is configured to store information decrypted by the security processing module 12 and perform big data analysis.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an integrated data security function's navigation for big dipper satellite which characterized in that includes:
the radio frequency module comprises a radio frequency front end damage correction module (3) and a radio frequency front end module (2), the radio frequency front end module (2) is connected with a Beidou satellite signal through an antenna module (1), and the output end of the radio frequency front end module (2) is connected with the input end of the radio frequency front end damage correction module (3);
the signal amplification unit (5) comprises a preamplifier (6) and a high-power amplifier (7), the preamplifier (6) is connected to the radio-frequency front-end damage correction module (3) through a data filtering module (4), and the output end of the preamplifier (6) is connected to the input end of the high-power amplifier (7);
the processing module comprises a noise and interference suppression module (8), a central processing unit (11) and a safety processing module (12), wherein the safety processing module (12) is used for encrypting or decrypting information needing to be safely set according to a set safety mode;
the input of noise and interference suppression module (8) is connected in the output of high power amplifier (7), noise and interference suppression module (8) are connected in wireless communication module (10) through adaptive filter (9), the input in central processing unit (11) is connected to the output of wireless communication module (10), the input in safety processing module (12) is connected to the output of central processing unit (11).
2. The Beidou satellite navigation system integrated with the data security function according to claim 1, characterized in that: the antenna module (1) is used for sending the Beidou satellite signals to the radio frequency front end module (2), and the radio frequency front end module (2) carries out radio frequency front end shaping and frequency reduction processing on the received Beidou satellite signals.
3. The Beidou satellite navigation system integrated with the data security function according to claim 1, characterized in that: the data filtering module (4) is used for filtering the Beidou satellite signals, filtering out unnecessary data and converting the Beidou satellite signals into digital intermediate frequency signals through a built-in data type conversion module.
4. The Beidou satellite navigation system integrated with the data security function according to claim 1, characterized in that: the safety processing module (12) comprises a safety setting unit and a safety processing unit; the security setting unit is used for setting an encryption and decryption mode; and the security processing unit is used for receiving the encryption and decryption commands in the security setting information according to the central processing unit (11), reading the encryption and decryption modes in the security setting unit and encrypting or decrypting the information to be processed.
5. The Beidou satellite navigation system integrated with the data security function according to claim 1, characterized in that: the safety processing module (12) is further connected with a storage module (13) and a database (14), the storage module (13) is used for storing the information encrypted by the safety processing module (12), and the database (14) is used for storing the information decrypted by the safety processing module (12) and analyzing big data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908111.8A CN112073114A (en) | 2020-09-02 | 2020-09-02 | Beidou satellite navigation system integrating data security function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010908111.8A CN112073114A (en) | 2020-09-02 | 2020-09-02 | Beidou satellite navigation system integrating data security function |
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| CN112073114A true CN112073114A (en) | 2020-12-11 |
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| CN202010908111.8A Pending CN112073114A (en) | 2020-09-02 | 2020-09-02 | Beidou satellite navigation system integrating data security function |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311127B1 (en) * | 1999-09-02 | 2001-10-30 | Rockwell Collins | Satellite navigation system having redundant signal processing and matched filtering |
| CN105527630A (en) * | 2015-05-21 | 2016-04-27 | 北京中电华大电子设计有限责任公司 | Satellite navigation chip integrated with data safety function and application method of chip |
| CN205405927U (en) * | 2016-03-02 | 2016-07-27 | 北京盈想东方科技发展有限公司 | Airborne equipment based on big dipper satellite navigation |
| CN107797122A (en) * | 2017-09-28 | 2018-03-13 | 福建福大北斗通信科技有限公司 | A kind of close security terminal module of Big Dipper state and safe encryption method |
-
2020
- 2020-09-02 CN CN202010908111.8A patent/CN112073114A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6311127B1 (en) * | 1999-09-02 | 2001-10-30 | Rockwell Collins | Satellite navigation system having redundant signal processing and matched filtering |
| CN105527630A (en) * | 2015-05-21 | 2016-04-27 | 北京中电华大电子设计有限责任公司 | Satellite navigation chip integrated with data safety function and application method of chip |
| CN205405927U (en) * | 2016-03-02 | 2016-07-27 | 北京盈想东方科技发展有限公司 | Airborne equipment based on big dipper satellite navigation |
| CN107797122A (en) * | 2017-09-28 | 2018-03-13 | 福建福大北斗通信科技有限公司 | A kind of close security terminal module of Big Dipper state and safe encryption method |
Non-Patent Citations (1)
| Title |
|---|
| 孟维晓: "《卫星定位导航原理》", 31 December 2013 * |
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Application publication date: 20201211 |
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