CN105954770A - Statistical method for differential data accuracy based on GNSS receiver - Google Patents

Statistical method for differential data accuracy based on GNSS receiver Download PDF

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Publication number
CN105954770A
CN105954770A CN201610240417.4A CN201610240417A CN105954770A CN 105954770 A CN105954770 A CN 105954770A CN 201610240417 A CN201610240417 A CN 201610240417A CN 105954770 A CN105954770 A CN 105954770A
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China
Prior art keywords
data
gnss receiver
power
output
base station
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CN201610240417.4A
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Chinese (zh)
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CN105954770B (en
Inventor
刘维超
张丹
刘莉
王轩
李鹏飞
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SHANGHAI SHUANGWEI NAVIGATION TECHNOLOGY CO.,LTD.
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Shanghai Huace Navigation Technology Ltd
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Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO 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
    • G01S19/00Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13Receivers
    • G01S19/23Testing, monitoring, correcting or calibrating of receiver elements

Abstract

The invention provides a statistical method for differential data accuracy based on a GNSS receiver. The statistical method comprises the following steps of shorting starting circuits on mainboards of all to-be-tested GNSS receivers; connecting the input end of one tester with U-to-serial equipment for outputting through a plurality of serial ports, and connecting each GNSS receiver with one serial port of the U-to-serial equipment by means of a data wire which is capable of supplying power; connecting a one-to-many power plug output end with power supplying heads of the data wires capable of supplying power, and connecting the power supplying ends of the data wires capable of supplying power with the output end of a programmable control power supply, and setting circulated energization time and circulated power-off time through the programmable control power supply for controlling the energization time and the power-off time of each GNSS receiver; and performing a plurality of times of differential data statistics, thereby obtaining statistical data and generating testing reports in a classified manner. The statistical method can cover determination of all working modes and all differential formats of the GNSS receiver. Large-batch multiple tests can improve testing data credibility and furthermore improve testing efficiency.

Description

Statistical method based on GNSS receiver differential data accuracy
Technical field
The present invention relates to GNSS receiver fields of measurement, it is a kind of poor based on GNSS receiver to be specifically related to The statistical method of divided data accuracy.
Background technology
Along with the use face of GNSS device is increasingly wider, the amendment in terms of receiver firmware is got over Improvement requirement Coming the most, the differential data form that receiver can use gets more and more, and cuts during receiver uses The situation changing difference scheme is more and more frequent, so more carrying out the reliability requirement of amendment differential data operation The highest.
Test existing method:
Manual operation start GNSS receiver, uses the equipment such as handbook to connect GNSS respectively after starting successfully Receiver, is manually operated and arranges different differential data such as CMR, RTCM3, RTCM32, pass through serial ports Output, to APIS software, is checked its message format, is artificially judged whether difference scheme is arranged successfully, receives Differential data check after reaching fixed solution geodetic lead to software receipt to base station coordinates judge that base station arranges coordinate Whether arrange successfully, it is judged that whether base station initiated coordinate is arranged successfully.
Summary of the invention
The invention provides a kind of statistical method based on GNSS receiver differential data accuracy, including such as Lower step:
Boot-strap circuit on all GNSS receiver mainboards to be measured is carried out short circuit;
The input of one tester is connected U and turns string equipment to produce multiple serial ports, and use respectively and be available for Each GNSS receiver is turned each serial ports of string equipment and is connected by electricity data wire with U;
Use attaching plug outfan more than a point to connect the confession dateline of data wire of can powering respectively, and will be available for The feeder ear of the attaching plug of electricity data wire connects a programmable power supply outfan, arranges one by programmable power supply The conduction time of circulation and power-off time control conduction time and the power-off time of each GNSS receiver;
Carry out taking turns the statistics of differential data more, obtain statistical data generation test report of classifying, by surveying Put in storage after examination GNSS receiver hardware restoring, do not return production inspection by GNSS receiver poor.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, takes turns more The step of the statistics of differential data includes:
Step S1a, send self-starting base station and the order of CMR data, and whether detect the data of output It is consistent with arranging,
Step S1b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output Correct CMR data;
Step S2a, send self-starting base station and the order of RTCM3 data, and the data detecting output are No with arrange consistent,
Step S2b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output The data of correct RTCM3;
Step S3a, transmission self-starting base station and the order of RTCM3.2 data, and detect the data of output Whether with arrange consistent,
Step S3b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output The data of correct RTCM3.2;
Step S4a, transmission manually boot base station and the order of CMR data, and the data detecting output are No with arrange consistent,
Step S4b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, and whether is exporting correct CMR data;
Step S5a, transmission are moved and are started base station and the order of RTCM3 data, and the data detecting output are No with arrange consistent,
Step S5b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, if in the RTCM3 data that output is correct;
Step S6a, transmission manually boot base station and the order of RTCM3.2 data, and detect the number of output According to whether with arrange consistent,
Step S6b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, if in the RTCM3.2 data that output is correct;
GNSS receiver mode of operation is replaced by and automatically opens movement station by step S7a, transmission order, completes One statistics taking turns differential data.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, complete appoint After the statistics of one differential data of meaning, the data no matter exported are the most correct, all carry out the data of output Gather and analyze.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, generates test Report comprises often takes turns test result, number of success, the frequency of failure and failed configuration details;
Described failed configuration details includes reason and particular location.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, described in be available for Electricity data wire is secondary data wire of powering.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, programmable power supply For DC source.
Above-mentioned statistical method based on GNSS receiver differential data accuracy, wherein, by described Programmable power supply device control unit is divided or all power-off of GNSS receiver and available machine time.
This method, can contain GNSS receiver all working pattern and the judgement of all difference schemes, large quantities of Secondary, the test of multiple stage time can increase the credibility of test data, increases testing efficiency.
Accompanying drawing explanation
By the detailed description non-limiting example made with reference to the following drawings of reading, the present invention and Feature, profile and advantage will become more apparent upon.The portion that labelling instruction identical in whole accompanying drawings is identical Point.The most deliberately it is drawn to scale accompanying drawing, it is preferred that emphasis is the purport of the present invention is shown.
A kind of based on GNSS receiver differential data accuracy the statistical method that Fig. 1 provides for the present invention Flow chart.
Detailed description of the invention
In the following description, a large amount of concrete details is given to provide to the present invention the most thoroughly Understand.It is, however, obvious to a person skilled in the art that the present invention can be without one Or multiple these details and be carried out.In other example, in order to avoid obscuring with the present invention, Technical characteristics more well known in the art are not described.
In order to thoroughly understand the present invention, detailed step and detailed knot will be proposed in following description Structure, in order to explaination technical scheme.Presently preferred embodiments of the present invention is described in detail as follows, but In addition to these describe in detail, the present invention can also have other embodiments.
With reference to shown in Fig. 1, the invention provides a kind of system based on GNSS receiver differential data accuracy Meter method, comprises the steps:
Step S1, the boot-strap circuit on all GNSS receiver mainboards to be measured is carried out short circuit.Particularly as follows: Come loose 6 screws of GNSS receiver upper cover first by allen driver, by GNSS receiver Shell takes down, and boot-strap circuit on mainboard carries out short circuit, is reinstalled GNSS receiver upper casing subsequently.
Step S2, all GNSS receiver to be measured are carried out firmware upgrade.Use GNSS receiver serial ports Data wire serial ports is connected to computer serial port, double-clicks and runs firmware upgrade procedure, after information to appear, Fill in receiver bottom battery storehouse foot Electronic power batteries or use Serial Port Line DC power supply port power, receiver with I.e. Auto Power On, firmware upgrade procedure progress bar starts flicker, after waiting until that prompting upgrading completes, shutdown.
Step S3, the input of a tester is connected U turn string equipment to produce multiple serial ports, and respectively Each GNSS receiver is turned each serial ports of string equipment and is connected by use data wire of can powering with U.In the present invention In one optional embodiment, tester is computer;Data wire of can powering is secondary data wire of powering.
Step S4, use attaching plug outfan more than a point connect the confession dateline of data wire of can powering respectively, And the feeder ear of the attaching plug of data wire of can powering is connected a programmable power supply outfan, pass through program-controlled electric Source arranges conduction time of a circulation and power-off time to control conduction time and the power-off of each GNSS receiver Time.Wherein, all programmable power supply switching on and shutting down operation is sent order by PC end software.
Step S5, carry out taking turns the statistics of differential data more, obtain statistical data generation test report of classifying, By putting in storage after test GNSS receiver hardware restoring, do not return production inspection by GNSS receiver poor.
Concrete, the step carrying out taking turns the statistics of differential data includes more:
1, after receiver is started shooting 60 seconds, send China and survey self-starting base station and the life of CMR data of agreement Order.
2, the data of detection output in 20 seconds whether with arrange consistent.
3, power-off shutdown.
4, power-off was started shooting after 10 seconds, was detected whether in the CMR data that output is correct by serial ports.
Send China 5, to after 150 seconds reception and survey self-starting base station and the order of RTCM3 data of agreement.
6, the data of detection output in 20 seconds whether with arrange consistent.
7, power-off shutdown.
8, power-off was started shooting after 10 seconds, was detected whether in the data exporting correct RTCM3 by serial ports.
9, send China to receiver after 150 seconds and survey self-starting base station and the life of RTCM3.2 data of agreement Order.
10, the data of detection output in 20 seconds whether with arrange consistent.
11, power-off shutdown.
12, power-off sent, to programmable power supply, the instruction that powers on after 10 seconds, in output was just detected whether by serial ports The data of true RTCM3.2.
13, after 150 seconds to receiver send China survey agreement manually boot base station and the order of CMR data.
14, the data of detection output in 20 seconds whether with arrange consistent.
15, power-off shutdown.
16, power-off sent, to programmable power supply, the instruction that powers on after 10 seconds, starts base station by serial ports detection and makes Coordinate the most consistent with before power-off whether in the CMR data that output is correct.
17, after 150 seconds to receiver send China survey agreement manually boot base station and the life of RTCM3 data Order.
18, the data of detection output in 20 seconds whether with arrange consistent.
19, power-off shutdown.
20, power-off sent, to programmable power supply, the instruction that powers on after 10 seconds.Start base station by serial ports detection to make Coordinate the most consistent with before power-off.Whether exporting correct RTCM3 data.
21, base station and RTCM3.2 data are manually booted to what receiver sent that China surveys agreement after 150 seconds Order.
22, the data of detection output in 20 seconds whether with arrange consistent.
23, power-off.
24, power-off sent, to programmable power supply, the instruction that powers on after 10 seconds.Start base station by serial ports detection to make Coordinate the most consistent with before power-off.Whether exporting correct RTCM3.2 data.
25, send China's survey protocol command to receiver after 10 seconds operation of receiver pattern to be replaced by automatically Open movement station.
The step of 1 to 25 takes turns test as 1 after completing, power-off 10 seconds, before repeating afterwards 1 to The operation of 25 steps.Ultimately produce test report to comprise and often take turns test result, number of success, the frequency of failure And include the failed configuration details such as reason, particular location.
In the present invention, after the statistics completing any one differential data, whether the data no matter exported Correctly, all the data of output are acquired and analyze.
In the present invention one optional embodiment, generation test report comprises often takes turns test result, success time Number, the frequency of failure and failed configuration details;Failed configuration details includes reason and particular location.
Advantages below is there is compared to existing scheme this programme:
1, this programme can save substantial amounts of human resources, and staff has only to set up test environment, later stage Can directly obtain and need data.
2, save the working time, improve and make efficiency up to more than 200%.
3, amount of test data is increased so that test result is more nearly truly.
Above presently preferred embodiments of the present invention is described.It is to be appreciated that the present invention not office Being limited to above-mentioned particular implementation, the equipment and the structure that do not describe in detail the most to the greatest extent are construed as using ability Common mode in territory is practiced;Any those of ordinary skill in the art, without departing from skill of the present invention In the case of art aspects, all may utilize the method for the disclosure above and technology contents to technical solution of the present invention Making many possible variations and modification, or be revised as the Equivalent embodiments of equivalent variations, this has no effect on The flesh and blood of the present invention.Therefore, every content without departing from technical solution of the present invention, according to the present invention Technical spirit to any simple modification made for any of the above embodiments, equivalent variations and modification, all still fall within In the range of technical solution of the present invention protection.

Claims (7)

1. a statistical method based on GNSS receiver differential data accuracy, it is characterised in that bag Include following steps:
Boot-strap circuit on all GNSS receiver mainboards to be measured is carried out short circuit;
The input of one tester is connected U and turns string equipment to produce multiple serial ports, and use respectively and be available for Each GNSS receiver is turned each serial ports of string equipment and is connected by electricity data wire with U;
Use attaching plug outfan more than a point to connect the confession dateline of data wire of can powering respectively, and will be available for The feeder ear of the attaching plug of electricity data wire connects a programmable power supply outfan, arranges one by programmable power supply The conduction time of circulation and power-off time control conduction time and the power-off time of each GNSS receiver;
Carry out taking turns the statistics of differential data more, obtain statistical data generation test report of classifying, by surveying Put in storage after examination GNSS receiver hardware restoring, do not return production inspection by GNSS receiver poor.
2. statistical method based on GNSS receiver differential data accuracy as claimed in claim 1, It is characterized in that, the step carrying out taking turns the statistics of differential data includes more:
Step S1a, send self-starting base station and the order of CMR data, and whether detect the data of output It is consistent with arranging,
Step S1b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output Correct CMR data;
Step S2a, send self-starting base station and the order of RTCM3 data, and the data detecting output are No with arrange consistent,
Step S2b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output The data of correct RTCM3;
Step S3a, transmission self-starting base station and the order of RTCM3.2 data, and detect the data of output Whether with arrange consistent,
Step S3b, GNSS receiver is carried out power-off after start shooting again, by serial ports detect whether output The data of correct RTCM3.2;
Step S4a, transmission manually boot base station and the order of CMR data, and the data detecting output are No with arrange consistent,
Step S4b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, and whether is exporting correct CMR data;
Step S5a, transmission are moved and are started base station and the order of RTCM3 data, and the data detecting output are No with arrange consistent,
Step S5b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, if in the RTCM3 data that output is correct;
Step S6a, transmission manually boot base station and the order of RTCM3.2 data, and detect the number of output According to whether with arrange consistent,
Step S6b, GNSS receiver is carried out power-off after start shooting again, by serial ports detection start base station The coordinate used is the most consistent with before power-off, if in the RTCM3.2 data that output is correct;
GNSS receiver mode of operation is replaced by and automatically opens movement station by step S7a, transmission order, completes One statistics taking turns differential data.
3. statistical method based on GNSS receiver differential data accuracy as claimed in claim 2, It is characterized in that, after the statistics completing any one differential data, the data no matter exported are the most correct, All the data of output are acquired and analyze.
4. statistical method based on GNSS receiver differential data accuracy as claimed in claim 1, It is characterized in that, generation test report comprises often takes turns test result, number of success, the frequency of failure and mistake Lose details;
Described failed configuration details includes reason and particular location.
5. statistical method based on GNSS receiver differential data accuracy as claimed in claim 1, It is characterized in that, described data wire of powering is secondary data wire of powering.
6. statistical method based on GNSS receiver differential data accuracy as claimed in claim 1, It is characterized in that, programmable power supply is DC source.
7. statistical method based on GNSS receiver differential data accuracy as claimed in claim 1, It is characterized in that, divided by described programmable power supply device control unit or all GNSS receiver power-off and Available machine time.
CN201610240417.4A 2016-04-18 2016-04-18 Statistical method based on GNSS receiver differential data accuracy Active CN105954770B (en)

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