CN107797121A - A kind of GNSS static data acquisition methods based on laser ranging and centering - Google Patents
A kind of GNSS static data acquisition methods based on laser ranging and centering Download PDFInfo
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- CN107797121A CN107797121A CN201610786813.7A CN201610786813A CN107797121A CN 107797121 A CN107797121 A CN 107797121A CN 201610786813 A CN201610786813 A CN 201610786813A CN 107797121 A CN107797121 A CN 107797121A
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- China
- Prior art keywords
- gnss receiver
- frame
- laser ranging
- gnss
- fixed
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Classifications
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- 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
- G01S19/14—Receivers specially adapted for specific applications
Abstract
The invention provides a kind of GNSS static data acquisition methods based on laser ranging and centering, comprise the following steps：A rangefinder is provided, the rangefinder includes the GNSS receiver that bottom is provided with laser ranging module, and the GNSS receiver is fixed on the top of A-frame, and some horizontal datum marks for being used to calibrate are additionally provided with the top of the A-frame；A-frame is flattened and fixed；GNSS receiver is fixed at the top of A-frame；A-frame is adjusted, and swings GNSS receiver and observes datum mark so that GNSS receiver keep level；GNSS receiver laser ranging module is opened, average value is repeatedly removed after measurement, and then obtains GNSS receiver phase center apart from ground distance.The present invention uses laser ranging, and measurement accuracy is high, improves measurement efficiency.
Description
Technical field
The present invention relates to technical field of mapping, more particularly to a kind of GNSS static datas based on laser ranging and centering to adopt
Diversity method.
Background technology
GNSS (satellite navigation) mapping all-in-one extensive uses and various mapping fields of measurement.In mapping process, to protect
Demonstrate,prove measured point positional precision, it is desirable to survey and draw all-in-one according to physics horizontal bubble instruction carry out centering operation, and use pair
Middle operation is as process is relatively cumbersome, technical difficulty is big and easily causes the course of work of error.Incline if mapping all-in-one carries
Tiltedly measurement function so that accurate position measurement can be achieved without the centering of physics horizontal bubble in mapping worker, will greatly simplify
The labor intensity and raising efficiency of mapping worker.
Traditional GNSS collection satellite static data methods, GNSS receiver are fixed on A-frame, A-frame
Flattened by spirit level, using the distance of tape measure GNSS receiver phase center height distance measurement point, then collection is defended
Star static data.Traditional method measurement phase center height is not only readily incorporated measurement error, Er Qiejia by tape measure
The labor intensity of big survey crew, reduces measurement efficiency.
The content of the invention
The invention provides a kind of GNSS static data acquisition methods based on laser ranging and centering, following steps：
A rangefinder is provided, the rangefinder includes the GNSS receiver that bottom is provided with laser ranging module, the GNSS
Receiver is fixed on the top of A-frame, and some horizontal benchmark for being used to calibrate are additionally provided with the top of the A-frame
Point；
A-frame is flattened and fixed；
GNSS receiver is fixed at the top of A-frame；
A-frame is adjusted, and swings GNSS receiver and observes datum mark so that GNSS receiver keep level；
GNSS receiver laser ranging module is opened, sets measurement to take measurement average value L1, final GNSS to connect afterwards several times
Receipts machine phase center is L1+L2 apart from ground distance, and wherein L2 is definite value.
Above-mentioned method, wherein, laser ranging module takes measurement average value L1 after measuring 500-100 times.
Above-mentioned method, wherein, be provided with the top of the A-frame 3 be used for calibrate horizontal datum mark, including
Center reference point immediately ahead of GNSS and positioned at center reference point both sides prothetic group on schedule, three datum marks and GNSS connect
Receipts machine observation station is in circular arc.
Above-mentioned method, wherein, it is distributed between three datum marks in 120 ° of angles.
The present invention uses laser ranging, and measurement accuracy is high, greatly improves measurement efficiency.
Brief description of the drawings
Technical scheme in order to illustrate the embodiments of the present invention more clearly, below will be to embodiment or description of the prior art
In the required accompanying drawing used be briefly described, it should be apparent that, drawings in the following description be only the present invention some
Embodiment, for those of ordinary skill in the art, without having to pay creative labor, can also be according to these
Accompanying drawing obtains other accompanying drawings.
Fig. 1 is to be gathered in a kind of embodiment using provided by the invention based on the GNSS static datas of laser ranging and centering
The flow chart of method；
Fig. 2 is that GNSS receiver is arranged on to the top view after tripod top surface.
Embodiment
In the following description, a large amount of concrete details are given to provide more thorough understanding of the invention.So
And it is obvious to the skilled person that the present invention can be able to without one or more of these details
Implement.In other examples, in order to avoid obscuring with the present invention, do not enter for some technical characteristics well known in the art
Row description.
In order to thoroughly understand the present invention, detailed step and detailed structure will be proposed in following description, so as to
Explain technical scheme.Presently preferred embodiments of the present invention is described in detail as follows, but in addition to these detailed descriptions, this
Invention can also have other embodiment.
Conventional test methodologies：The first step flattens A-frame, and GNSS receiver is fixed on A-frame by second step,
3rd successive step A-frame observes level(l)ing bubble, A, B, and C makes it horizontal, and the 3rd step uses tape measure GNSS receiver bottom
Apart from ground distance H2, for final GNSS receiver phase center apart from ground distance H1+H2, wherein H1 is definite value, is level gas
Bubble and the distance at the top of GNSS receiver.Finally GNSS receiver is set to start gathered data.Such a method is in measurement H2 distances
When be easily introduced measurement error.Measurement error reaches ± 3mm, and this error be can not ignore in static data measurement.
The invention provides a kind of GNSS static data acquisition methods based on laser ranging and centering, shown in reference picture 1,
Comprise the following steps：
A rangefinder is provided, the rangefinder includes the GNSS receiver that bottom is provided with laser ranging module, the GNSS
Receiver is fixed on the top of A-frame, and some horizontal benchmark for being used to calibrate are additionally provided with the top of the A-frame
Point；
A-frame is flattened and consolidated；
GNSS receiver is fixed at the top of A-frame；
A-frame is adjusted, and swings GNSS receiver and observes datum mark so that GNSS receiver keep level；
GNSS receiver laser ranging module is opened, sets measurement to take measurement average value L1, final GNSS to connect afterwards several times
Receipts machine phase center is L1+L2 apart from ground distance, and wherein L2 is definite value, is laser ranging module and GNSS receiver top
Between distance.L1 value is averaged by multiple laser measurement, and measurement error is only ± 0.5mm, and this error is in static data
It can ignore in measurement, greatly improve measurement accuracy.
In an optional embodiment of the invention, laser ranging module takes measurement average value L1 after measuring 500-100 times.
In an of the invention optional embodiment, be provided with the top of the A-frame 3 be used for calibrate horizontal base
On schedule, center reference point including immediately ahead of GNSS and positioned at center reference point both sides prothetic group on schedule, three benchmark
Point and GNSS receiver observation station are in circular arc.Shown in reference picture 2, it can be considered as and GNSS receiver 4 is arranged on tripod top
Top view behind face 5, a center reference point 1 is provided with the front of GNSS receiver 4, and in the front of GNSS receiver 4
And prothetic group on schedule 2 and prothetic group on schedule 3 is respectively arranged with positioned at the both sides of center reference point 1, pass through GNSS receiver and observe center base
On schedule 1, prothetic group on schedule 2 and prothetic group 3 make its horizontal on schedule.It is further alternative, in 120 ° of angles point between three datum marks
Cloth.
The present invention replaces the favourable guarantee measurement accuracy of traditional tape measure with laser ranging, reduces survey crew's work
Intensity, improve measurement 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 area
Apply；Any those skilled in the art, 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 has no effect on the substantive content of the present invention.Therefore, every content without departing from technical solution of the present invention, foundation
The technical spirit of the present invention still falls within the present invention to any simple modifications, equivalents, and modifications made for any of the above embodiments
In the range of technical scheme protection.
Claims (4)
1. a kind of GNSS static data acquisition methods based on laser ranging and centering, it is characterised in that comprise the following steps：
A rangefinder is provided, the rangefinder includes the GNSS receiver that bottom is provided with laser ranging module, and the GNSS is received
Machine is fixed on the top of A-frame, and some horizontal datum marks for being used to calibrate are additionally provided with the top of the A-frame；
A-frame is flattened and fixed；
GNSS receiver is fixed at the top of A-frame；
A-frame is adjusted, and swings GNSS receiver and observes datum mark so that GNSS receiver keep level；
GNSS receiver laser ranging module is opened, sets measurement to take measurement average value L1, final GNSS receiver afterwards several times
Phase center is L1+L2 apart from ground distance；
Wherein, L2 is definite value, is the distance between laser ranging module and GNSS receiver top.
2. the method as described in claim 1, it is characterised in that laser ranging module takes measurement average after measuring 500-100 times
Value L1.
3. the method as described in claim 1, it is characterised in that be provided with the top of the A-frame 3 be used for calibrate water
Flat datum mark, including center reference point immediately ahead of GNSS and positioned at center reference point both sides prothetic group on schedule, three
Individual datum mark and GNSS receiver observation station are in circular arc.
4. method as claimed in claim 3, it is characterised in that be distributed between three datum marks in 120 ° of angles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786813.7A CN107797121A (en) | 2016-08-30 | 2016-08-30 | A kind of GNSS static data acquisition methods based on laser ranging and centering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610786813.7A CN107797121A (en) | 2016-08-30 | 2016-08-30 | A kind of GNSS static data acquisition methods based on laser ranging and centering |
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| Publication Number | Publication Date |
|---|---|
| CN107797121A true CN107797121A (en) | 2018-03-13 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610786813.7A Pending CN107797121A (en) | 2016-08-30 | 2016-08-30 | A kind of GNSS static data acquisition methods based on laser ranging and centering |
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Citations (6)
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|---|---|---|---|---|
| CN101806906A (en) * | 2010-04-14 | 2010-08-18 | 上海华测导航技术有限公司 | Position coordinate real-time dynamic combination measuring device and method based on GNSS (Global Navigation Satellite System) |
| CN102717870A (en) * | 2012-07-06 | 2012-10-10 | 天津新河船舶重工有限责任公司 | Mounting method of large hatch coaming on floating boat |
| CN202853571U (en) * | 2012-09-04 | 2013-04-03 | 上海产联电气科技有限公司 | Three-dimensional coordinate measurement apparatus |
| CN104297771A (en) * | 2014-10-31 | 2015-01-21 | 广州吉欧电子科技有限公司 | GNSS device and method for precisely and quickly measuring elevation |
| CN105445774A (en) * | 2015-11-19 | 2016-03-30 | 武汉大学 | GNSS and laser range finding combination measurement system and method |
| CN105716592A (en) * | 2016-04-07 | 2016-06-29 | 安徽华电工程咨询设计有限公司 | 10-m centering rod structure for surveying and mapping |
-
2016
- 2016-08-30 CN CN201610786813.7A patent/CN107797121A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101806906A (en) * | 2010-04-14 | 2010-08-18 | 上海华测导航技术有限公司 | Position coordinate real-time dynamic combination measuring device and method based on GNSS (Global Navigation Satellite System) |
| CN102717870A (en) * | 2012-07-06 | 2012-10-10 | 天津新河船舶重工有限责任公司 | Mounting method of large hatch coaming on floating boat |
| CN202853571U (en) * | 2012-09-04 | 2013-04-03 | 上海产联电气科技有限公司 | Three-dimensional coordinate measurement apparatus |
| CN104297771A (en) * | 2014-10-31 | 2015-01-21 | 广州吉欧电子科技有限公司 | GNSS device and method for precisely and quickly measuring elevation |
| CN105445774A (en) * | 2015-11-19 | 2016-03-30 | 武汉大学 | GNSS and laser range finding combination measurement system and method |
| CN105716592A (en) * | 2016-04-07 | 2016-06-29 | 安徽华电工程咨询设计有限公司 | 10-m centering rod structure for surveying and mapping |
Non-Patent Citations (2)
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| 张治国等: ""全站仪对中整平方法探讨"", 《现代测绘》 * |
| 文汉明: ""校正基础板的新方法——标准基准点法"", 《机械制造》 * |
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Application publication date: 20180313 |