CN103760579A - Dual-mode locating time service module - Google Patents
Dual-mode locating time service module Download PDFInfo
- Publication number
- CN103760579A CN103760579A CN201310754982.9A CN201310754982A CN103760579A CN 103760579 A CN103760579 A CN 103760579A CN 201310754982 A CN201310754982 A CN 201310754982A CN 103760579 A CN103760579 A CN 103760579A
- Authority
- CN
- China
- Prior art keywords
- signal
- time service
- gps
- processing unit
- big dipper
- 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
-
- 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
- G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS
-
- 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
- G01S19/24—Acquisition or tracking or demodulation of signals transmitted by the system
- G01S19/25—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS
- G01S19/256—Acquisition or tracking or demodulation of signals transmitted by the system involving aiding data received from a cooperating element, e.g. assisted GPS relating to timing, e.g. time of week, code phase, timing offset
-
- G—PHYSICS
- G04—HOROLOGY
- G04R—RADIO-CONTROLLED TIME-PIECES
- G04R20/00—Setting the time according to the time information carried or implied by the radio signal
- G04R20/02—Setting the time according to the time information carried or implied by the radio signal the radio signal being sent by a satellite, e.g. GPS
- G04R20/04—Tuning or receiving; Circuits therefor
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The invention belongs to the technical field of electronics and relates to a dual-mode locating time service module. The dual-mode locating time service module solves the problems that a time service module in the prior art is not reasonable enough in design and the like. The module comprises a Dipper/GPS dual-mode signal receiving unit, a Dipper/GPS dual-mode signal processing unit, a central processor, a serial port interface unit and a network interface unit, wherein the Dipper/GPS dual-mode signal receiving unit is used for receiving a Dipper signal and/or a GPS signal, the Dipper/GPS dual-mode signal receiving unit, the Dipper/GPS dual-mode signal processing unit and the central processor are sequentially connected, and the serial port interface unit and the network interface unit are connected to the central processor. The dual-mode locating time service module has the advantages of being reasonable in design, simple in structure, good in work stability and capable of conducting a locating time service by selecting a suitable signal according to the signal intensity, and effectively improves use flexibility. In addition, the dual-mode locating time service module can manually select a required locating time service signal, avoid frequent change of working modes caused by the unstable signal and ensure smooth work.
Description
Technical field
The invention belongs to electronic technology field, especially relate to a kind of bimodulus location time service module.
Background technology
The Navsat in the whole world mainly contains the GPS (Global Position System) GPS of the U.S., Muscovite GLONASS (Global Navigation Satellite System), the Beidou satellite navigation and positioning system of China and the Galileo worldwide navigation positioning system of European Union at present.Present stage, GPS location and time service function have a wide range of applications in fields such as the traffic of China, electric power, communication, finance, water conservancy, oil; But because GPS is subject to the U.S., limit, adopt single GPS to have potential risks, its safe reliability is low, and independence is poor.Beidou satellite navigation and positioning system is the independent development capability implemented of China, the GPS (Global Position System) of independent operating.Beidou satellite navigation and positioning system can provide location, test the speed and time service service.Therefore, adopting Beidou satellite navigation system is inexorable trend.
No matter be that GPS or Beidou satellite navigation and positioning system all exist a relative merits separately, all can there is different performances in signal intensity under different time, different location, different situation.Adopt single location time service module obviously to have certain drawback.For this reason, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of Big Dipper, GPS bimodulus location navigation radio-frequency receiving system [application number: 201320198772.1], the GPS that satellite signal receiving antenna receives and Big Dipper satellite signal, after low noise amplifier amplifies, enter into respectively the corresponding bandpass filter of frequency range separately, through low noise amplifier, do further to amplify respectively again, by frequency mixer, respectively dual mode signal is carried out to mixing, satellite-signal is loaded into be applicable on the working frequency range of subsequent treatment.Wherein the frequency of operation of frequency mixer is provided by phaselocked loop respectively, and the work that temperature compensation crystal resonator and clock buffer are phaselocked loop provides required reference clock.Be loaded into dual mode signal on intermediate frequency respectively after intermediate-frequency filter filtering, by automatic gain control module, according to the power of satellite-signal, respectively dual mode signal carried out to automatic gain, so that stable processing signals to be provided.Then by analog to digital converter, respectively dual mode signal is carried out to analog to digital conversion, by digital signal processing module, the Signals in Satellite Data Stream of bimodulus is carried out to calculation process.
Although such scheme has been realized the Big Dipper, GPS bimodulus location, cannot compare the situation of two kinds of signals, uses thereby choose the comparatively signal of advantage, the dirigibility of therefore using is poor.And, be difficult to signal manually to be selected, and signal intensity situation can not be grasped in time.
Summary of the invention
The object of the invention is for the problems referred to above, provide a kind of reasonable in design, simple in structure, the bimodulus location time service module of good operating stability.
For achieving the above object, the present invention has adopted following technical proposal: this bimodulus location time service module, it is characterized in that, this module comprises the Big Dipper/GPS dual mode signal receiving element, the Big Dipper/GPS dual mode signal processing unit, central processing unit, serial interface unit and the network interface unit for receiving Big Dipper signal and/or gps signal, the described Big Dipper/GPS dual mode signal receiving element, the Big Dipper/GPS dual mode signal processing unit, central processing unit are connected successively, and described serial interface unit and network interface unit are connected on central processing unit.
In above-mentioned bimodulus location time service module, on the described Big Dipper/GPS dual mode signal receiving element, be connected with Big Dipper signal intensity monitoring means and gps signal intensity monitoring unit, described Big Dipper signal intensity monitoring means is connected with central processing unit respectively with gps signal intensity monitoring unit and central processing unit can select the stronger signal of signal to position time service according to the intensity of Big Dipper signal and gps signal.
In above-mentioned bimodulus location time service module, on described Big Dipper signal intensity monitoring means and gps signal intensity monitoring unit, be connected with respectively the first pilot lamp and second pilot lamp that can send according to signal intensity different colours light, the first described pilot lamp is connected with central processing unit respectively with the second pilot lamp.
In above-mentioned bimodulus location time service module, on described central processing unit, be also connected with signal source manual switchover key.
In above-mentioned bimodulus location time service module, on described central processing unit, also connect voice playing device and display screen.
Compared with prior art, the advantage of this bimodulus location time service module is: reasonable in design, simple in structure, good operating stability, can select suitable signal to position time service according to signal intensity, has effectively improved the dirigibility of using.In addition, can manually select required location time signal, avoid occurring that mode of operation occurs frequent replacing because of jitter, the carrying out smoothly of safeguard work.
Accompanying drawing explanation
Fig. 1 is structured flowchart provided by the invention.
In figure, the Big Dipper/GPS dual mode signal receiving element 1, Big Dipper signal intensity monitoring means 11, gps signal intensity monitoring unit 12, the first pilot lamp 13, the second pilot lamp 14, the Big Dipper/GPS dual mode signal processing unit 2, central processing unit 3, signal source manual switchover key 31, voice playing device 32, display screen 33, serial interface unit 4, network interface unit 5.
Embodiment
Embodiment 1:
As shown in Figure 1, this bimodulus location time service module comprises the Big Dipper/GPS dual mode signal receiving element 1, the Big Dipper/GPS dual mode signal processing unit 2, central processing unit 3, serial interface unit 4 and the network interface unit 5 for receiving Big Dipper signal and/or gps signal, the described Big Dipper/GPS dual mode signal receiving element 1, the Big Dipper/GPS dual mode signal processing unit 2, central processing unit 3 are connected successively, and described serial interface unit 4 and network interface unit 5 are connected on central processing unit 3.On the Big Dipper/GPS dual mode signal receiving element 1, be connected with Big Dipper signal intensity monitoring means 11 and gps signal intensity monitoring unit 12, described Big Dipper signal intensity monitoring means 11 is connected with central processing unit 3 respectively with gps signal intensity monitoring unit 12 and central processing unit 3 can select the stronger signal of signal to position time service according to the intensity of Big Dipper signal and gps signal.On Big Dipper signal intensity monitoring means 11 and gps signal intensity monitoring unit 12, be connected with respectively the first pilot lamp 13 and second pilot lamp 14 that can send according to signal intensity different colours light.The first pilot lamp 13 is connected with central processing unit 3 respectively with the second pilot lamp 14.On central processing unit 3, be also connected with signal source manual switchover key 31.On central processing unit 3, also connect voice playing device 32 and display screen 33.
Specific embodiment described herein is only to the explanation for example of the present invention's spirit.Those skilled in the art can make various modifications or supplement or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present invention or surmount the defined scope of appended claims.
Although more used the terms such as the Big Dipper/GPS dual mode signal receiving element 1, Big Dipper signal intensity monitoring means 11, gps signal intensity monitoring unit 12, the first pilot lamp 13, the second pilot lamp 14, the Big Dipper/GPS dual mode signal processing unit 2, central processing unit 3, signal source manual switchover key 31, voice playing device 32, display screen 33, serial interface unit 4, network interface unit 5 herein, do not got rid of the possibility of using other term.Use these terms to be only used to describe more easily and explain essence of the present invention; They are construed to any additional restriction is all contrary with spirit of the present invention.
Claims (5)
1. a bimodulus location time service module, it is characterized in that, this module comprises the Big Dipper/GPS dual mode signal receiving element (1) for receiving Big Dipper signal and/or gps signal, the Big Dipper/GPS dual mode signal processing unit (2), central processing unit (3), serial interface unit (4) and network interface unit (5), the described Big Dipper/GPS dual mode signal receiving element (1), the Big Dipper/GPS dual mode signal processing unit (2), central processing unit (3) is connected successively, described serial interface unit (4) and network interface unit (5) are connected on central processing unit (3).
2. bimodulus location time service module according to claim 1, it is characterized in that, on the described Big Dipper/GPS dual mode signal receiving element (1), be connected with Big Dipper signal intensity monitoring means (11) and gps signal intensity monitoring unit (12), described Big Dipper signal intensity monitoring means (11) is connected with central processing unit (3) respectively with gps signal intensity monitoring unit (12) and central processing unit (3) can select the stronger signal of signal to position time service according to the intensity of Big Dipper signal and gps signal.
3. bimodulus location time service module according to claim 2, it is characterized in that, on described Big Dipper signal intensity monitoring means (11) and gps signal intensity monitoring unit (12), be connected with respectively the first pilot lamp (13) and second pilot lamp (14) that can send according to signal intensity different colours light, described the first pilot lamp (13) is connected with central processing unit (3) respectively with the second pilot lamp (14).
4. according to the bimodulus location time service module described in claim 1 or 2 or 3, it is characterized in that, on described central processing unit (3), be also connected with signal source manual switchover key (31).
5. according to the bimodulus location time service module described in claim 1 or 2 or 3, it is characterized in that, on described central processing unit (3), also connect voice playing device (32) and display screen (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754982.9A CN103760579A (en) | 2013-12-31 | 2013-12-31 | Dual-mode locating time service module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310754982.9A CN103760579A (en) | 2013-12-31 | 2013-12-31 | Dual-mode locating time service module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103760579A true CN103760579A (en) | 2014-04-30 |
Family
ID=50527846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310754982.9A Pending CN103760579A (en) | 2013-12-31 | 2013-12-31 | Dual-mode locating time service module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103760579A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230576A (en) * | 2016-08-02 | 2016-12-14 | 中国神华能源股份有限公司 | Time synchronism equipment, railway vehicle number identification system and method thereof |
| CN106485810A (en) * | 2016-10-28 | 2017-03-08 | 芜湖市吉安汽车电子销售有限公司 | The Big Dipper based on data mining and GPS dual-mode Tachographs |
| CN114624734A (en) * | 2022-03-10 | 2022-06-14 | 北京国电高科科技有限公司 | Satellite navigation receiver and system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202218416U (en) * | 2011-09-09 | 2012-05-09 | 航天恒星科技有限公司 | Collecting terminal of disaster situation information |
| CN203180920U (en) * | 2013-04-27 | 2013-09-04 | 厦门蓝帝电子科技有限公司 | Digital interphone characterized by dual-mode navigation |
| US20130257651A1 (en) * | 2012-03-31 | 2013-10-03 | O2Micro Inc. | Navigation bit boundary determination apparatus and a method therefor |
| CN103439721A (en) * | 2013-08-14 | 2013-12-11 | 东莞市科维电子科技有限公司 | Beidou and GPS satellite dual-mode navigation system and navigation method thereof |
-
2013
- 2013-12-31 CN CN201310754982.9A patent/CN103760579A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202218416U (en) * | 2011-09-09 | 2012-05-09 | 航天恒星科技有限公司 | Collecting terminal of disaster situation information |
| US20130257651A1 (en) * | 2012-03-31 | 2013-10-03 | O2Micro Inc. | Navigation bit boundary determination apparatus and a method therefor |
| CN203180920U (en) * | 2013-04-27 | 2013-09-04 | 厦门蓝帝电子科技有限公司 | Digital interphone characterized by dual-mode navigation |
| CN103439721A (en) * | 2013-08-14 | 2013-12-11 | 东莞市科维电子科技有限公司 | Beidou and GPS satellite dual-mode navigation system and navigation method thereof |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106230576A (en) * | 2016-08-02 | 2016-12-14 | 中国神华能源股份有限公司 | Time synchronism equipment, railway vehicle number identification system and method thereof |
| CN106485810A (en) * | 2016-10-28 | 2017-03-08 | 芜湖市吉安汽车电子销售有限公司 | The Big Dipper based on data mining and GPS dual-mode Tachographs |
| CN114624734A (en) * | 2022-03-10 | 2022-06-14 | 北京国电高科科技有限公司 | Satellite navigation receiver and system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101397079B1 (en) | Radio device having dynamic intermediate frequency scaling | |
| CN108594279B (en) | Device suitable for monitoring and receiving multi-system navigation signals | |
| CN103412317A (en) | Radio-frequency circuit structure for achieving function of converting GNSS satellite signals into baseband signals | |
| CN103323862B (en) | Anti-interference GNSS receiver device combining multiple modes and multiple frequencies with array processing | |
| CN104297768B (en) | A kind of method for receiving GPS and Beidou II signal simultaneously in front end system | |
| CN110907962A (en) | Beidou double-frequency satellite signal radio frequency receiver | |
| CN104749591A (en) | Global navigation satellite system oriented multi-mode parallel radio-frequency receiver | |
| KR101620039B1 (en) | Simultaneous signal receiver with interspersed frequency allocation | |
| CN103439721A (en) | Beidou and GPS satellite dual-mode navigation system and navigation method thereof | |
| CN204679643U (en) | A kind of Novel GPS/Beidou satellite navigation displacement monitoring receiving system | |
| CN103760579A (en) | Dual-mode locating time service module | |
| CN204177973U (en) | Multi-channel radio frequency module | |
| CN103513259A (en) | Dual-mode positioning and timing system | |
| CN102928856A (en) | Global positioning system (GPS) and Beidou double-module navigation radio frequency receiving system | |
| CN104698476A (en) | GPS satellite navigation receiver based on three-level mixing structure | |
| CN203894414U (en) | Multimode single radio frequency channel GNSS receiver provided with single-chip microcomputer control | |
| CN108897019A (en) | A kind of GPS/ Beidou II navigation radio-frequency receiving system in Dual-mode two-way road | |
| CN203535230U (en) | Radio frequency circuit structure capable of converting GNSS satellite signal to baseband signal | |
| CN204694850U (en) | The radio-frequency transmitter of the Big Dipper No. two satellite navigation system channel structures | |
| CN103308932A (en) | Monolithic multimode navigation chip based on broadband radio frequency direct technology | |
| CN201444633U (en) | integrative multi-system satellite positioning receiver | |
| CN115189709B (en) | System for realizing multimode multifrequency satellite navigation parallel receiving and transmitting function | |
| CN202904020U (en) | GPS and Beidou dual-mode navigation radio-frequency reception system | |
| CN103901448A (en) | GPS/BD2 dual-mode universal receiving device | |
| CN203732725U (en) | Miniature Beidou/GPS dual-mode radio frequency module |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140430 |
|
| RJ01 | Rejection of invention patent application after publication |