CN204679643U - A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system - Google Patents
A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system Download PDFInfo
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- CN204679643U CN204679643U CN201520321676.0U CN201520321676U CN204679643U CN 204679643 U CN204679643 U CN 204679643U CN 201520321676 U CN201520321676 U CN 201520321676U CN 204679643 U CN204679643 U CN 204679643U
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Abstract
The utility model relates to a kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system, comprise power module, functional module, peripheral communication interfaces, data memory module, LCD display, described functional module is connected with data memory module, power module, LCD display triple interaction, described periphery communication interface is connected in functional module, functional module comprises ARM microprocessor, radio-frequency front-end, digital base band processor and positioning calculation module, active antenna, functional module is the core of system, and what described data memory module adopted is random access memory.The utility model beneficial effect is: the dual mode/dual band injection controlled by ARM frequently passage framework simplifies circuit, highly integrated, miniaturized structure reduces the volume of receiver, reduces receiver power consumption, decrease research and development and production cost, improve the performance of receiver.
Description
Technical field
The utility model relates to dual mode satellite positioning and navigation receiver, electronic information and communication measurement field, mainly relates to the conceptual design of GPS/ Beidou satellite navigation displacement monitoring receiving system.
Background technology
After having grasped the modules needed for bimodulus navigator fix technology and functional realiey, according to the requirement of system to positioning trip result, research the Big Dipper/GPS dual-mode receiver system structural design, propose can the compatible Big Dipper, GPS the novel dual mode receiver based on arm processor.The novel Big Dipper/GPS dual-mode receiver not only has that traditional receivers time service precision is high, round-the-clock continuously, the advantage such as three-dimensional navigation location accurately, and can the comprehensively navigation signal correction ionosphere of the Big Dipper and GPS and tropospheric time delay, the precision of further raising navigator fix, realize the compatibility between the Big Dipper and gps system and interoperability, meet the high-quality requirement of user to the urban satellite navigation service.This dual mode receiver system also has the features such as volume is little, performance is high, low in energy consumption, has been widely used in that the national economy such as communication navigation, in real time location, short message communication are military, in civil area.The satellite positioning navigation receiver system of this Big Dipper/GPS dual-mode formula of design, can receive double frequency satellite-signal real-time and efficiently, ensure that independence and the reliability of locating information acquisition.
Utility model content
The utility model overcomes the deficiencies in the prior art part, the design of the GPS/ Beidou satellite navigation displacement monitoring receiving system that a kind of height controlled by ARM is integrated, performance is good is provided, the satellite-signal of the Big Dipper, GPS can be received simultaneously, continuous acquisition satellite information, provide the co-located time service result that positioning precision is high, its technical scheme adopted is as follows:
A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system, comprise power module, functional module, peripheral communication interfaces, data memory module, LCD display, described functional module and data memory module, power module, LCD display triple interaction connects, described periphery communication interface is connected in functional module, functional module comprises ARM microprocessor, radio-frequency front-end, digital base band processor and positioning calculation module, active antenna, functional module is the core of system, radio-frequency front-end in functional module is designed to double frequency-band single channel, radio-frequency front-end in functional module comprises LNA amplifier, bandpass filter, low noise amplifier, frequency mixer, the heterogeneous bandpass filter of PPH, active filter, automatic gain control circuit, ADC analog to digital conversion, input clock signal, phase-locked loop pll, voltage controlled oscillator, two-divider, what described data memory module adopted is random access memory.
Preferably, described functional module comprises ARM microprocessor, RF front-end module, digital base band processor and positioning calculation module, active antenna, ARM microprocessor in functional module interacts with digital base band processor and positioning calculation module and is connected, RF front-end module in functional module is connected in digital base band processor and positioning calculation module, and active antenna is connected on RF front-end module.
Preferably, described peripheral communication interfaces is connected with receiver each several part, and the ARM microprocessor that communication serial port is connected in functional module exports with location.
Preferably, described LCD display there is control button.
The utility model tool has the following advantages:
1) a kind of Novel GPS of the present utility model/Beidou satellite navigation displacement monitoring receiving system, singly can receive the B1 frequency navigation signal that the Big Dipper is broadcast, produce Big Dipper intermediate-freuqncy signal, also singly can receive the L1 frequency navigation signal that gps satellite is broadcast, produce GPS intermediate-freuqncy signal, also can receive the satellite-signal of the Big Dipper, GPS simultaneously, continuous acquisition satellite information, again by digital base band processor module and positioning calculation module, provide co-located time service result, positioning precision is high;
2) the dual mode/dual band injection controlled by ARM frequently passage framework simplifies circuit, and highly integrated, miniaturized structure reduces the volume of receiver, reduces receiver power consumption, decreases research and development and production cost, improves the performance of receiver.
Accompanying drawing explanation
The structured flowchart of Fig. 1: the utility model GPS/ Beidou satellite navigation displacement monitoring receiving system;
The main functional modules of Fig. 2: the utility model GPS/ Beidou satellite navigation displacement monitoring receiving system;
Symbol description
1. active antenna, 2.LNA amplifier, 3. bandpass filter, 4. low noise amplifier, 5. frequency mixer, the heterogeneous bandpass filter of 6.PPH, 7 active filters, 8 automatic gain control circuits, 9 active filters, 10. automatic gain control circuit, 11.ADC analog to digital conversion, 12. input clock signals, 13. phase-locked loop plls, 14. voltage controlled oscillators, 15. two-dividers, 16.ARM microprocessor, 17. base band signal process.
Embodiment
Below in conjunction with accompanying drawing and example, the utility model is described in further detail:
As shown in Figure 1, a kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system of the utility model, comprises power module, functional module, peripheral communication interfaces, data memory module and LCD display.
During a kind of Novel GPS of the utility model/Beidou satellite navigation displacement monitoring receiving system work, power module ensure that the normal power supply of internal system, according to the difference of the operating voltage of each several part in antenna, data-carrier store, functional module, LCD display, serial line interface, be respectively it and different supply voltages is provided.Active antenna receives the signal of the Big Dipper and GPS two frequency ranges, and these high-frequency signals are transmitted radio-frequency (RF) front-end circuit, radio-frequency front-end is by carrying out power amplification to it, filtering, frequency conversion, the process such as gain control and analog to digital conversion obtains intermediate-freuqncy signal, after Base-Band Processing and positioning calculation module, obtain digital intermediate frequency baseband signal, when observing more than 5 satellites, just can by after a series of algorithm and data processing, draw the user coordinates needing location, this positioning result outputs in LCD display by peripheral serial interface, ARM microprocessor is the key of receiver system, the work of control system, it is coordinated and computing determines that receiver is to the processing power of information.Data memory module is used as the internal memory of system, and stores the dual mode satellite data and relevant data file that receive.
As shown in Figure 2, the main functional modules of a kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system of the utility model, comprises ARM microprocessor, radio-frequency front-end, base band signal process and locator data and resolves module.
In functional module, the first order of radio-frequency front-end is LNA amplifier 2, its noise figure determines the parameters such as the noiseproof feature of whole receiver system, lower LNA noise figure is got during design, in the signal that antenna 1 receives, except the useful Big Dipper and gps satellite signal, also comprise various undesired signal, use bandpass filter 3 to remove undesired signal, obtain the pure Big Dipper and gps signal.Power amplifier 4 makes the power receiving radiofrequency signal fully amplify, local crystal oscillator 12 gives receiver input clock signal and reference frequency, the frequency multiplication that phaselocked loop 13 makes reference frequency higher from different precision, thus synthesize various required frequency, the phase-locked loop frequency scope of design can cover the L frequency of Big Dipper B1 frequency and GPS.The signal exporting to frequency mixer 5 through voltage controlled oscillator 14 and two-divider 15 frequency division is synchronous with the reference signal frequency that 12 input, and frequency mixer 5 converts the high-frequency radiofrequency signal received to intermediate-freuqncy signal.Intermediate-frequency channel is entered into through the filtered intermediate-freuqncy signal of heterogeneous bandpass filter 6, according to the Big Dipper and gps signal different frequency, bandwidth, use active filter 7 and automatic gain control circuit 8 respectively, or active filter 9 and automatic gain control circuit 10, filtering is carried out to the Big Dipper/gps signal, and adjusts its gain.The single radio-frequency channel Big Dipper/GPS dual-mode switch operating by the control realization of ARM microprocessor 16.After conveniently being done analog-to-digital analog intermediate frequency signal, process through ADC analog to digital converter 11 and export digital medium-frequency signal.Then signal is input in base band signal process and positioning calculation module 17, intermediate frequency baseband signal is carried out the process such as modulation, finally obtain pseudorange value and the carrier phase observation data of location, positioning calculation module is according to existing software algorithm program, data processing is carried out to locating information, solves the three-dimensional coordinate drawing customer location.
Claims (4)
1. Novel GPS/Beidou satellite navigation displacement monitoring receiving system, is characterized in that, comprise power module, functional module, peripheral communication interfaces, data memory module, LCD display, described functional module and data memory module, power module, LCD display triple interaction connects, and described periphery communication interface is connected in functional module, and functional module comprises ARM microprocessor (16), radio-frequency front-end, digital base band processor and positioning calculation module (17), active antenna, functional module is the core of system, and the radio-frequency front-end in functional module is designed to double frequency-band single channel, and the radio-frequency front-end in functional module comprises LNA amplifier (2), bandpass filter (3), low noise amplifier (4), frequency mixer (5), the heterogeneous bandpass filter of PPH (6), active filter (7), automatic gain control circuit (8), ADC analog to digital conversion (11), input clock signal (12), phase-locked loop pll (13), voltage controlled oscillator (14), two-divider (15), what described data memory module adopted is random access memory.
2. a kind of Novel GPS according to claim 1/Beidou satellite navigation displacement monitoring receiving system, it is characterized in that: described functional module comprises ARM microprocessor (16), RF front-end module, digital base band processor and positioning calculation module (17), active antenna, ARM microprocessor (16) in functional module interacts with digital base band processor and positioning calculation module (17) and is connected, RF front-end module in functional module is connected in digital base band processor and positioning calculation module (17), and active antenna is connected on RF front-end module.
3. a kind of Novel GPS according to claim 1/Beidou satellite navigation displacement monitoring receiving system, it is characterized in that: described peripheral communication interfaces is connected with receiver each several part, the ARM microprocessor (16) that communication serial port is connected in functional module exports with location.
4. a kind of Novel GPS according to claim 1/Beidou satellite navigation displacement monitoring receiving system, is characterized in that: described LCD display has control button.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520321676.0U CN204679643U (en) | 2015-05-13 | 2015-05-13 | A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system |
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| CN201520321676.0U CN204679643U (en) | 2015-05-13 | 2015-05-13 | A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106249254A (en) * | 2016-07-21 | 2016-12-21 | 芜湖航飞科技股份有限公司 | A kind of data sharing device based on dipper system |
| CN106411339A (en) * | 2016-04-07 | 2017-02-15 | 成都华日通讯技术有限公司 | Radio monitoring and receiving system based on direct frequency conversion |
| CN106767664A (en) * | 2016-11-29 | 2017-05-31 | 中南安全环境技术研究院股份有限公司 | Large Span Bridges deformation method of real-time based on dipper system |
| CN107621646A (en) * | 2016-07-13 | 2018-01-23 | 北京捷联微芯科技有限公司 | A kind of radio-frequency transmitter |
| CN110942713A (en) * | 2019-11-22 | 2020-03-31 | 国网河南省电力公司检修公司 | Intelligent worker's tablet of transformer substation's personnel action management and control |
| CN111045041A (en) * | 2019-11-29 | 2020-04-21 | 交通运输部长江通信管理局 | Single-Beidou/multi-mode compatible working mode automatic switching method and device for satellite receiver |
-
2015
- 2015-05-13 CN CN201520321676.0U patent/CN204679643U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106411339A (en) * | 2016-04-07 | 2017-02-15 | 成都华日通讯技术有限公司 | Radio monitoring and receiving system based on direct frequency conversion |
| CN107621646A (en) * | 2016-07-13 | 2018-01-23 | 北京捷联微芯科技有限公司 | A kind of radio-frequency transmitter |
| CN106249254A (en) * | 2016-07-21 | 2016-12-21 | 芜湖航飞科技股份有限公司 | A kind of data sharing device based on dipper system |
| CN106767664A (en) * | 2016-11-29 | 2017-05-31 | 中南安全环境技术研究院股份有限公司 | Large Span Bridges deformation method of real-time based on dipper system |
| CN106767664B (en) * | 2016-11-29 | 2019-05-14 | 中南安全环境技术研究院股份有限公司 | Large Span Bridges deformation method of real-time based on dipper system |
| CN110942713A (en) * | 2019-11-22 | 2020-03-31 | 国网河南省电力公司检修公司 | Intelligent worker's tablet of transformer substation's personnel action management and control |
| CN111045041A (en) * | 2019-11-29 | 2020-04-21 | 交通运输部长江通信管理局 | Single-Beidou/multi-mode compatible working mode automatic switching method and device for satellite receiver |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150930 Termination date: 20160513 |