CN103698772A - GPS signal receiving system - Google Patents
GPS signal receiving system Download PDFInfo
- Publication number
- CN103698772A CN103698772A CN201310618490.7A CN201310618490A CN103698772A CN 103698772 A CN103698772 A CN 103698772A CN 201310618490 A CN201310618490 A CN 201310618490A CN 103698772 A CN103698772 A CN 103698772A
- Authority
- CN
- China
- Prior art keywords
- signal receiving
- gps signal
- receiving system
- signalling channel
- connects
- 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
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Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention relates to the technical field of signal receiving equipment, in particular to a GPS signal receiving system which comprises a receiver antenna and a receiver body, wherein the receiver body comprises a converter, a signal channel, a microprocessor, a memory and a display controller, the receiver antenna is connected with the converter, the converter is connected with the signal channel, the signal channel is connected with the microprocessor, and the microprocessor is connected with the memory and the display controller. Calculation and reaction speed can be effectively increased.
Description
Technical field
The present invention relates to signal receiver technical field, relate in particular to a kind of gps signal receiving system.
Background technology
Gps signal receiver can capture by the signal of the selected satellite to be measured of certain satellite altitude cutoff angle, and follow the tracks of the operation of these satellites, received gps signal is converted, amplified and processes, to measure the travel-time of gps signal from satellite to receiver antenna, solution translates the navigation message that gps satellite sends, calculate in real time the three-dimensional position of survey station, even three-dimensional velocity and time.Gps signal receiver, also exists and calculates and the fast not enough shortcoming of reaction velocity.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of gps signal receiving system is provided, can effectively improve and calculate and reaction velocity.
For achieving the above object, the present invention is achieved through the following technical solutions: a kind of gps signal receiving system, it comprises receiver antenna and receiver main frame, described receiver main frame comprises frequency converter, signalling channel, microprocessor, storer, display controller, described receiver antenna connects frequency converter, frequency converter connects signalling channel, and signalling channel connects microprocessor, microprocessor connected storage and display controller.
Described signalling channel comprises the pseudo-code phase following feedback circuit being comprised of loop filter, code ring phase error generator, yardage controlled oscillator.
Described signalling channel also comprises the carrier phase tracking feedback circuit being comprised of loop filter, carrier phase error generator, carrier number controlled oscillator.
Described receiver antenna comprises antenna and prime amplifier, and antenna connects prime amplifier, and prime amplifier connects frequency converter.
Beneficial effect of the present invention is: described a kind of gps signal receiving system, can effectively improve and calculate and reaction velocity.
Accompanying drawing explanation
Fig. 1 is theory diagram of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further illustrated.
As shown in Figure 1, a kind of gps signal receiving system, a kind of gps signal receiving system, it comprises receiver antenna and receiver main frame, described receiver main frame comprises frequency converter 3, signalling channel 4, microprocessor 6, storer 5, display controller 7, and described receiver antenna connects frequency converter 3, and frequency converter 3 connects signalling channel 4, signalling channel 4 connects microprocessor 6, microprocessor 6 connected storages 5 and display controller 7.Described frequency converter 3, for improving gain, makes signal be converted to low frequency by high frequency.The effect of described signalling channel 4 is: search of satellite, traction tracking satellite; The reliable row despreading of benchmark, demodulation are obtained to broadcast message; Carry out pseudo-code distance measurement, carrier phase measurement and Doppler shift measurement.Described storer 5 is for the code phase pseudo range observed reading of storing satellite ephemeris, satellite almanac, receiver and gathering, carrier phase observation data, Doppler shift etc., and stores and comprise self-testing software, satellite alert software, navigation message decoding software, GPS single-point positioning software etc.The effect of described microprocessor 6 is: instrument self checking, search, seizure satellite, calculate satellitosis, calculates navigational parameter, input survey station information etc.Described display controller 7 is comprised of liquid crystal display and operation keyboard, for input and output.
Preferably, described signalling channel 4 comprises the pseudo-code phase following feedback circuit being comprised of loop filter, code ring phase error generator, yardage controlled oscillator.Its effect is that to make pseudo-code generator produce the phase place of local pseudo-code consistent with the pseudo-code phase being modulated on input signal, realizes the despreading to input signal.
Preferably, described signalling channel 4 also comprises the carrier phase tracking feedback circuit being comprised of loop filter, carrier phase error generator, carrier number controlled oscillator.Its effect is to realize the despreading of input signal and demodulation by the second local oscillated signal.
Preferably, described receiver antenna comprises antenna 1 and prime amplifier 2, and antenna 1 connects prime amplifier 2, and prime amplifier 2 connects frequency converter 3.Antenna 1 can adopt conical antenna 1, utilizes printed circuit technique in medium cone, to make conduction trochoid spiral surface, has advantages of that gain is good.Prime amplifier 2 carries out signal amplification, suppresses extraneous signal simultaneously and disturbs.
Above-mentioned a kind of gps signal receiving system, its system architecture is reasonable, can effectively improve and calculate and reaction velocity.
The above is only preferred embodiment of the present invention, and the equivalence of doing according to structure, feature and principle described in patent claim of the present invention therefore all changes or modifies, and is included in patent claim of the present invention.
Claims (4)
1. a gps signal receiving system, it is characterized in that: it comprises receiver antenna and receiver main frame, described receiver main frame comprises frequency converter (3), signalling channel (4), microprocessor (6), storer (5), display controller (7), described receiver antenna connects frequency converter (3), frequency converter (3) connects signalling channel (4), signalling channel (4) connects microprocessor (6), microprocessor (6) connected storage (5) and display controller (7).
2. a kind of gps signal receiving system according to claim 1, is characterized in that: described signalling channel (4) comprises the pseudo-code phase following feedback circuit being comprised of loop filter, code ring phase error generator, yardage controlled oscillator.
3. a kind of gps signal receiving system according to claim 2, is characterized in that: described signalling channel (4) also comprises the carrier phase tracking feedback circuit being comprised of loop filter, carrier phase error generator, carrier number controlled oscillator.
4. a kind of gps signal receiving system according to claim 1, is characterized in that: described receiver antenna comprises antenna (1) and prime amplifier (2), and antenna (1) connects prime amplifier (2), and prime amplifier (2) connects frequency converter (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618490.7A CN103698772A (en) | 2013-11-27 | 2013-11-27 | GPS signal receiving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310618490.7A CN103698772A (en) | 2013-11-27 | 2013-11-27 | GPS signal receiving system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103698772A true CN103698772A (en) | 2014-04-02 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310618490.7A Pending CN103698772A (en) | 2013-11-27 | 2013-11-27 | GPS signal receiving system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103698772A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207549A (en) * | 2010-05-05 | 2011-10-05 | 北京泰豪联星技术有限公司 | Integrated anti-interference satellite navigation receiving system and anti-interference processing method thereof |
| CN202837549U (en) * | 2012-09-06 | 2013-03-27 | 成都捷康特科技有限公司 | Embedded GPS receiver |
| CN103116038A (en) * | 2013-01-21 | 2013-05-22 | 中国人民解放军国防科学技术大学 | Acceleration-measuring method by satellite receiver carrier tracking l |
| CN103217693A (en) * | 2013-03-27 | 2013-07-24 | 上海电机学院 | Vehicle navigation and remote service terminal, system and method based on beidou satellite system |
| CN203606494U (en) * | 2013-11-27 | 2014-05-21 | 健富塑胶五金制品（东莞）有限公司 | GPS signal receiving system |
-
2013
- 2013-11-27 CN CN201310618490.7A patent/CN103698772A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102207549A (en) * | 2010-05-05 | 2011-10-05 | 北京泰豪联星技术有限公司 | Integrated anti-interference satellite navigation receiving system and anti-interference processing method thereof |
| CN202837549U (en) * | 2012-09-06 | 2013-03-27 | 成都捷康特科技有限公司 | Embedded GPS receiver |
| CN103116038A (en) * | 2013-01-21 | 2013-05-22 | 中国人民解放军国防科学技术大学 | Acceleration-measuring method by satellite receiver carrier tracking l |
| CN103217693A (en) * | 2013-03-27 | 2013-07-24 | 上海电机学院 | Vehicle navigation and remote service terminal, system and method based on beidou satellite system |
| CN203606494U (en) * | 2013-11-27 | 2014-05-21 | 健富塑胶五金制品（东莞）有限公司 | GPS signal receiving system |
Non-Patent Citations (1)
| Title |
|---|
| 沈锋等: "扩频导航接收机全数字伪码跟踪环性能研究", 《电机与控制学报》, vol. 12, no. 6, 30 November 2008 (2008-11-30) * |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20140402 |