CN106257847B - Test method based on the radio station UHF receiving sensitivity built in GNSS receiver - Google Patents
Test method based on the radio station UHF receiving sensitivity built in GNSS receiver Download PDFInfo
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- CN106257847B CN106257847B CN201610240409.XA CN201610240409A CN106257847B CN 106257847 B CN106257847 B CN 106257847B CN 201610240409 A CN201610240409 A CN 201610240409A CN 106257847 B CN106257847 B CN 106257847B
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- radio station
- gnss receiver
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- built
- uhf
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/20—Monitoring; Testing of receivers
- H04B17/29—Performance testing
Abstract
The present invention provides a kind of test methods based on the radio station UHF receiving sensitivity built in GNSS receiver, including：Select GNSS receiver, it is set as radio station base station, and difference text data format parameter is set, then it is connected with the plug-in radio station UHF, base station differential data is transmitted outward by plug-in radio station, frequency of radio station value is set in plug-in radio station, and GNSS receiver will export its initial data outward by means of plug-in radio station in real time；Initial attenuation step value is obtained, is 0 by programmable attenuator setting step value, programmable attenuator one end is connect by transmission link with the plug-in radio station UHF, the other end connects with the first frequency spectrograph, record initial sensitivity d0；It checks GNSS receiver data receiver continuity, adjusts the value of program-controlled sensitivity d1, it is made to meet receiving sensitivity standard value D=d0+d1, judge whether the radio station UHF receiving sensitivity is qualified built in GNSS receiver.It can quickly and effectively detect which built-in radio station is qualified products by this method, greatly improve working efficiency.
Description
Technical field
The present invention relates to fields of measurement, and in particular to being based on the radio station UHF receiving sensitivity built in GNSS receiver to a kind of
Test method.
Background technology
With the development of society, GNSS technologies become increasingly prevalent.In Surveying and Mapping Industry, needed between base station and movement station
Differential data is transmitted in real time, in order to meet the transmission of data between user's short distance, the radio station UHF data built in GNSS receiver
Transmission is also more universal.
Traditional UHF Radio Testing Methods：Select a UHF (Ultra High Frequency, hyperfrequency) radio station receiver
As base station, differential data is sent, in addition selects the radio station a UHF receiver as movement station, setting is identical with base station
Frequency receives differential data in distant location, the receptivity in built-in radio station is differentiated by receiving the continuity of data.Big
In production detection in radio station built in the GNSS receiver of batch, hard work amount undoubtedly brings puzzlement to tester, surveys knot
Fruit is also unsatisfactory.
Invention content
The present invention provides a kind of test methods based on the radio station UHF receiving sensitivity built in GNSS receiver, including such as
Lower step：
Step 1, base station are built, and select a GNSS receiver, setting operating mode is radio station base station, and difference is arranged
Point telegraph text data format parameter, is then connected with the plug-in radio station UHF, by base station differential data by plug-in radio station to unofficial biography
It send, frequency of radio station value is set in plug-in radio station, and after being arranged successfully, GNSS receiver will be outside by means of plug-in radio station in real time
Export its initial data；
Step 2 obtains initial attenuation step value, is 0 by programmable attenuator setting step value, and by programmable attenuator one end
It is connect with the plug-in radio station UHF by transmission link, the other end connects with the first frequency spectrograph, is recorded from frequency spectrograph initial sensitive
Spend d0；
Step 3 checks GNSS receiver data receiver continuity, adjusts program-controlled sensitivity d1's by programmable attenuator
Value, makes it meet receiving sensitivity standard value D=d0+d1；
Step 4 judges whether the radio station UHF receiving sensitivity is qualified built in GNSS receiver.
Above-mentioned based in the test method of the radio station UHF receiving sensitivity built in GNSS receiver, step 4 is specifically wrapped
It includes：
Check that GNSS receiver receives the continuity of data, with radio signals lamp with the continuously flicker 50 of the frequency of 1 time/second
Secondary, it is qualification to lose number to be no more than 10 times, otherwise, is denoted as unqualified.
Above-mentioned based in the test method of the radio station UHF receiving sensitivity built in GNSS receiver, the GNSS is received
One end of machine connects programmable attenuator, and the other end is connected with the second frequency spectrograph.
Above-mentioned based in the test method of the radio station UHF receiving sensitivity built in GNSS receiver, programmable attenuator,
GNSS receiver, the first frequency spectrograph and the second frequency spectrograph.
Point of the present invention can quickly have mainly for production detection in radio station built in high-volume GNSS receiver by this method
Effect detects which built-in radio station is qualified products, which in-built electrical relatives of Taiwan compatriots living on the Mainland is in substandard product, and for underproof production
Product are reprocessed in time, greatly improve working efficiency.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, the present invention and its feature, outer
Shape and advantage will become more apparent upon.Identical label indicates identical part in whole attached drawings.Not deliberately proportionally
Draw attached drawing, it is preferred that emphasis is the purport of the present invention is shown.
Fig. 1 is the block diagram for the test environment that the present invention establishes；
Fig. 2 is the flow provided by the invention based on the test method of the radio station UHF receiving sensitivity built in GNSS receiver
Figure.
Specific implementation mode
In the following description, a large amount of concrete details are given in order to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention may not need one or more of these details and be able to
Implement.In other examples, in order to avoid with the present invention obscure, for some technical characteristics well known in the art not into
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Illustrate technical scheme of the present invention.Presently preferred embodiments of the present invention is described in detail as follows, however other than these detailed descriptions, this
Invention can also have other embodiment.
It is right first the present invention provides a kind of test method based on the radio station UHF receiving sensitivity built in GNSS receiver
Test device is introduced.The present invention is a kind of method of the radio station UHF receiving sensitivity built in new test.Have a wide range of application,
Common radio station currently on the market can be used.The set test device includes mainly：The plug-in radio station UHF, transmission link, screen
Room, programmable attenuator, frequency spectrograph are covered, as shown in Figure 1, including mainly：
1. the plug-in radio station .UHF：Currently used plug-in radio station includes：The radio station satel, cube Sheng radio station, China's letter radio station
Deng.Also there is corresponding communications protocol in each radio station.Such as：The communications protocol in the radio station satel has：Clear transport protocol, TT450S
Transport protocol etc..Using GNSS receiver as the real-time output difference data of base station, differential data is transmitted by means of plug-in radio station.
2. transmission links：One end is connected with radio station, and one end is communicated to screened room, the difference that GNSS receiver is exported
Divided data is transmitted in screened room.
3. screened rooms：Screened room can prevent electromagnetic interference well, ensure the validity of radio station output data.It can be maximum
The raising measuring accuracy of limit.
4. programmable attenuators：Programmable attenuator is mounted in screened room, and one end is connected with transmission link.On the device
Face has different degrees of stepping decaying that can be arranged, and stepping decaying gear has：1dB, 2dB, 4dB, 8dB, 20dB, 32dB.It will decaying
Device is connect with host by BNC, by adjusting different step value attenuation degree sizes, can control radio station built in GNSS receiver
Data receiver continuity.
5. frequency spectrographs：Before not connecting host, frequency spectrograph can be used, detects to transmit in entire data transmission procedure
The decaying step value of line.
Wherein, two frequency spectrographs are provided in screened room, wherein one only connect with GNSS receiver, another connection
To programmable attenuator.
Specifically, test method packet of the present invention offer based on the radio station UHF receiving sensitivity built in GNSS receiver is as follows
Step：
Step 1, base station are built, and select a GNSS receiver, setting operating mode is radio station base station, and difference is arranged
Point telegraph text data format parameter, is then connected with the plug-in radio station UHF, by base station differential data by plug-in radio station to unofficial biography
It send, frequency of radio station value is set in plug-in radio station, and after being arranged successfully, GNSS receiver will be outside by means of plug-in radio station in real time
Export its initial data.
Step 2 obtains initial attenuation step value, is 0 by programmable attenuator setting step value, and by programmable attenuator one end
It being connect with the plug-in radio station UHF by transmission link, the other end connects with the first frequency spectrograph, records maximum step value at this time,
The i.e. thus line attenuation value d0 in transmission process, we, which can be considered, herein records initial sensitivity d0.
Step 3 checks GNSS receiver data receiver continuity, adjusts program-controlled sensitivity d1's by programmable attenuator
Value, makes it meet receiving sensitivity standard value D=d0+d1.
Step 4 judges whether the radio station UHF receiving sensitivity is qualified built in GNSS receiver.Specifically, checking that GNSS is received
Machine receives the continuity of data, with radio signals lamp with continuously flicker 50 times of the frequency of 1 time/second, loses number and is no more than 10 times
It is as qualified, otherwise, it is denoted as unqualified.
In production detection in radio station built in GNSS receiver, built-in radio station receiver feelings are differentiated by the method for field operation ranging
Condition is extremely inconvenient.Point of the present invention, can by this method mainly for production detection in radio station built in high-volume GNSS receiver
Quickly and effectively to detect which built-in radio station is qualified products, which in-built electrical relatives of Taiwan compatriots living on the Mainland is in substandard product, and for not
Qualified product is reprocessed in time, greatly improves working efficiency.
Presently preferred embodiments of the present invention is described above.It is to be appreciated that the invention is not limited in above-mentioned
Particular implementation, wherein the equipment and structure be not described in detail to the greatest extent are construed as giving reality with the common mode in this field
It applies；Any technical person familiar with the field, without departing from the scope of the technical proposal of the invention, all using the disclosure above
Methods and technical content many possible changes and modifications are made to technical solution of the present invention, or be revised as equivalent variations etc.
Embodiment is imitated, this is not affected the essence of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit any simple modifications, equivalents, and modifications made to the above embodiment of the present invention, still fall within the present invention
In the range of technical solution protection.
Claims (1)
1. a kind of test method based on the radio station UHF receiving sensitivity built in GNSS receiver, which is characterized in that including walking as follows
Suddenly：
Step 1, base station are built, and select a GNSS receiver, setting operating mode is radio station base station, and differential electrical is arranged
Then literary data format parameter is connected with the plug-in radio station UHF, base station differential data is transmitted outward by plug-in radio station,
Frequency of radio station value is set in plug-in radio station, and after being arranged successfully, GNSS receiver will be exported by means of plug-in radio station outward in real time
Its initial data；
Step 2 obtains initial attenuation step value, is 0 by programmable attenuator setting step value, and programmable attenuator one end is passed through
Transmission link is connect with the plug-in radio station UHF, and the other end connects with the first frequency spectrograph, and initial sensitivity is recorded from frequency spectrograph
d0；
Step 3 checks GNSS receiver data receiver continuity, and the value of program-controlled sensitivity d1 is adjusted by programmable attenuator, is made
It meets receiving sensitivity standard value D=d0+d1；
Step 4 judges whether the radio station UHF receiving sensitivity is qualified built in GNSS receiver；
Wherein, step 4 specifically includes：Check that GNSS receiver receives the continuity of data, with radio signals lamp with 1 time/second
Frequency continuously flicker 50 times, it is qualification to lose number to be no more than 10 times, otherwise, is denoted as unqualified；
One end of the GNSS receiver connects programmable attenuator, and the other end is connected with the second frequency spectrograph, programmable attenuator, GNSS
Receiver, the first frequency spectrograph and the second frequency spectrograph are located in screened room.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240409.XA CN106257847B (en) | 2016-04-18 | 2016-04-18 | Test method based on the radio station UHF receiving sensitivity built in GNSS receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610240409.XA CN106257847B (en) | 2016-04-18 | 2016-04-18 | Test method based on the radio station UHF receiving sensitivity built in GNSS receiver |
Publications (2)
| Publication Number | Publication Date |
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| CN106257847A CN106257847A (en) | 2016-12-28 |
| CN106257847B true CN106257847B (en) | 2018-07-24 |
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| CN201610240409.XA Active CN106257847B (en) | 2016-04-18 | 2016-04-18 | Test method based on the radio station UHF receiving sensitivity built in GNSS receiver |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103605942A (en) * | 2013-09-16 | 2014-02-26 | 珠海银邮光电信息工程有限公司 | System and method for testing reception sensitivity of UHF-band RFID card reader chip |
| US20140253372A1 (en) * | 2013-03-05 | 2014-09-11 | Spirent Communications, Inc. | System and method for testing real world a-gnss performance of a device |
| CN204215045U (en) * | 2014-12-01 | 2015-03-18 | 长沙海格北斗信息技术有限公司 | The anti-interference satellite navigation detection system of Beidou II |
| CN105119664A (en) * | 2015-08-11 | 2015-12-02 | 成都思邦力克科技有限公司 | Ultra-short wave radio terminal testing device |
-
2016
- 2016-04-18 CN CN201610240409.XA patent/CN106257847B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140253372A1 (en) * | 2013-03-05 | 2014-09-11 | Spirent Communications, Inc. | System and method for testing real world a-gnss performance of a device |
| CN103605942A (en) * | 2013-09-16 | 2014-02-26 | 珠海银邮光电信息工程有限公司 | System and method for testing reception sensitivity of UHF-band RFID card reader chip |
| CN204215045U (en) * | 2014-12-01 | 2015-03-18 | 长沙海格北斗信息技术有限公司 | The anti-interference satellite navigation detection system of Beidou II |
| CN105119664A (en) * | 2015-08-11 | 2015-12-02 | 成都思邦力克科技有限公司 | Ultra-short wave radio terminal testing device |
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| Publication number | Publication date |
|---|---|
| CN106257847A (en) | 2016-12-28 |
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