CN108761493A - Construction compact district control point GPS position measurement method - Google Patents
Construction compact district control point GPS position measurement method Download PDFInfo
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- CN108761493A CN108761493A CN201810506377.2A CN201810506377A CN108761493A CN 108761493 A CN108761493 A CN 108761493A CN 201810506377 A CN201810506377 A CN 201810506377A CN 108761493 A CN108761493 A CN 108761493A
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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
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Abstract
A kind of construction compact district control point GPS position measurement method disclosed by the invention.It is to lay four known coordinate control points, at times networking and numeric value analysis in area periphery to be measured, networking is comprehensive network, and the data transmission that the first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the observation of the period；According to the JM of acquisition1And JM1 ’、JM2And JM2 ’…JMmAnd JMm ’Position coordinates, using conventional method to layout point plan-position carry out setting-out.Step of the present invention is simple, reasonable design, and input cost is low；The number of control points at least three of each period subnet, follow-up total powerstation have redundant observation by observing two or more backsight points and carrying out setting station, it is ensured that the accuracy of layout point；Comprehensive network makes cover carry out networking in region to be measured by subnetting one and subnetting two, avoids generating invalid control point, is effectively improved the accuracy of layout point setting-out position.
Description
Technical field
The present invention relates to a kind of locating measurement methods, are surveyed with GPS positioning more particularly, to construction compact district control point
Amount method belongs to Surveying Engineering technical field.
Background technology
The generation of measuring environment：In road and bridge building and Municipal Engineering Construction building, construction site often not side of being
Upright positive, many places are all narrow and the branch that becomes band, such as the road in street, the horizontal hole openings position of over mountain line tunnel,
Inclined shaft position and long-span bridge position of over mountain line tunnel etc., such as in city station control points layout, since surrounding is all
High building, ward is limited, and control points layout can only can be only achieved sighting condition along road in band-like layout；In long and narrow mountain valley
In or major long tunnel slope construction hole outside control points layout when, due to being influenced by high mountain and thick forest, spacious field
Ground is limited, and construction site is restricted, and in surveying setting-out, general measure can only arrange two control points, number of control points
When being two, total powerstation is erected at unknown point by the Free Station in region to be measured, is set up respectively as backsight point at 2 points
Prism, total powerstation can calculate the coordinate of survey station point automatically, but check point not extra at this time, the coordinate precision of survey station point
It cannot be evaluated.If one of control point is destroyed, construction survey will force termination, must restart embedded control
Point makees control net and measures, wastes the construction time, interfere construction progress, reduce unwrapping wire efficiency, checked without extra point again
It measures, the oxygen evolution rate of works also cannot be guaranteed.
Construction at present generally can arrange three control points in control area, but since construction site is narrow, mostly at item
Shape branch, distance is too small between control point, and Baselines are unreasonable, and distance is more than 400 between can not meeting consecutive points
The case where rice, networking observation and compensating computation cannot be carried out, the quality and process of construction are directly influenced.
Invention content
Technical problem to be solved by the present invention lies in view of the deficiencies of the prior art, provide a kind of construction compact district
Control point GPS position measurement method.
In order to solve the above technical problems, the technical solution adopted by the present invention includes the following steps：
The laying at step 1. known coordinate control point：Cloth sets four known coordinate control points other than region to be measured, and four
Knowing that coordinate control point is respectively labeled as GPS1, GPS2, GPS3 and GPS4, GPS1, GPS2 is laid in the front side in region 1 to be measured,
GPS3 and GPS4 is laid in the rear side in region 1 to be measured, and the distance between arbitrary two points are about in GPS1, GPS2, GPS3 and GPS4
2000~4000 meters；
Step 2. networking at times and numeric value analysis, wherein networking are comprehensive network, and comprehensive network includes subnetting one and subnetting two, is divided
Net one and subnetting two divide equally N number of period and carry out networking, and wherein N=1,2 ... n, n are positive integer, and the duration 40 of each period~
90min, each period are a subnet, and networking at times and numeric value analysis include the following steps：
It includes following procedure that step 201. carries out networking simultaneous observation at times to subnetting one：
When the networking of step 2011 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1 ’And JM2 ’, wherein GPS1,
GPS2、JM1 ’And JM2 ’300~400 meters of the distance between any two points, GPS1, GPS2, JM1 ’And JM2 ’The subnetting of 1 period is formed,
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
(n is step 2012. n>1 even number) period networking when, JM2n-3 ’And JM2n-2 ’Place sets up first GPS receiver respectively
Machine, then JM2n-3 ’And JM2n-2 ’Two the second GPS receiver, every second GPS receiver are set up in the region to be measured 1 of front side
Location is denoted as JM2n-1And JM2n, wherein JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe distance between middle any two points 300
~400 meters, JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe subnetting for forming the n periods, by the first GPS receiver and the second GPS receiver
The data transmission acquired is stored to computer, completes the observation of the period；
(n is n>1 odd number) period networking when, JM2n-3And JM2n-2Place sets up first GPS receiver respectively, then JM2n-3
And JM2n-2Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as
JM2n-1 ’And JM2n ’, wherein JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’300~400 meters of the distance between middle any two points, JM2n-3、
JM2n-2、JM2n-1 ’And JM2n ’The subnetting for forming the n periods, the data that the first GPS receiver and the second GPS receiver are acquired pass
It is defeated to be stored to computer, complete the observation of the period；
Step 2012 is repeated several times in step 2013., if the period that pass point terminates in region to be measured 1 is JM2n-1 ’And JM2n ’Then tie
The period of beam period networking is JM2n-1 ’、JM2n ’, GPS3 and GPS4；If the period that pass point terminates in region 1 to be measured is JM2n-1
And JM2nThen the period of processing completion time used for them networking is JM2n-1、JM2n, GPS3 and GPS4；By the first GPS receiver and the second GPS receiver
The data transmission that machine is acquired is stored to computer, completes the observation of the period；
It includes following procedure that step 202. carries out networking simultaneous observation at times to subnetting two：
When the networking of step 2021 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1And JM2, wherein GPS1,
GPS2、JM1And JM2300~400 meters of the distance between any two points, GPS1, GPS2, JM1And JM2The subnetting of 1 period is formed, it will
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
(n is step 2022. n>1 even number) period networking when, JM2n-3And JM2n-2Place sets up first GPS receiver respectively
Machine, then JM2n-3And JM2n-2Two the second GPS receiver, every second GPS receiver institute are set up in the region to be measured 1 of front side
The position at place is denoted as JM2n-1 ’And JM2n ’, wherein JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’The distance between middle any two points 300~
400 meters, JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’The subnetting for forming the n periods, by the first GPS receiver and the second GPS receiver institute
The data transmission of acquisition is stored to computer, completes the observation of the period；
(n is n>1 odd number) period networking when, JM2n-3 ’And JM2n-2 ’Place sets up first GPS receiver respectively, then
JM2n-3 ’And JM2n-2 ’Two the second GPS receiver, the position residing for every second GPS receiver are set up in the region to be measured 1 of front side
It sets and is denoted as JM2n-1And JM2n, wherein JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2n300~400 meters of the distance between middle any two points,
JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe subnetting for forming the n periods, the first GPS receiver and the second GPS receiver are acquired
Data transmission is stored to computer, completes the observation of the period；
Step 2022 is repeated several times in step 2023., if the period that pass point terminates in region to be measured 1 is JM2n-1 ’And JM2n ’Then tie
The period of beam period networking is JM2n-1 ’、JM2n ’, GPS3 and GPS4；If the period that pass point terminates in region 1 to be measured is JM2n-1
And JM2nThen the period of processing completion time used for them networking is JM2n-1、JM2n, GPS3 and GPS4；By the first GPS receiver and the second GPS receiver
The data transmission that machine is acquired is stored to computer, completes the observation of the period；
All data stored in step 2 are formed the same network and carry out numeric value analysis using conventional method by step 3., are obtained
JM1 ’、JM2 ’、…JMm ’、JM1、JM2、…JMmPosition coordinates；
The setting-out of step 4. layout point plan-position：According to the JM obtained in step 31And JM1 ’、JM2And JM2 ’… JMmAnd JMm ’
Position coordinates, using conventional method to layout point plan-position carry out setting-out, it is known that coordinate control point, JM1And JM1 ’、JM2With
JM2 ’… JMmAnd JMm ’Place is both provided with the observation pier for the first GPS receiver or the erection of the second GPS receiver, using total powerstation
Setting-out, Setting Station of Total Station Instrument JM are carried out to the plan-position of layout point1For survey station point JM2And JM2 ’For backsight point ... JM1 ’For survey station
Point JM2And JM2 ’For backsight point, or it is erected at the arbitrary point in region to be measured and carries out resections using four points.
Step is simple compared with prior art by the present invention, reasonable design, and input cost is low, real in narrow construction site
Optimization measurement scheme is applied, can be used for setting the control point at station in construction region all at four or more, total powerstation passes through known
Backsight point sets the methods of station or resection and carries out setting station and can flexibly use, and has extra thirdly carry out setting-out to check,
In the position at a control point there is deviation, subsequent layout point checks to be found quickly, is made in region to be measured by subnetting
Carry out networking can be covered, avoids generating invalid control point, it is ensured that the accuracy of layout point.
Description of the drawings
Attached drawing 1 is the layout diagram at control point of the present invention.
GPS1, GPS2, GPS3, GPS4 are the Fixed Initial Points of design in figure, are known coordinate point, JM1、JM1′、JM2、
JM2′、JM3、JM3′、JMnAnd JMn' it is unknown point, JM1 and JM1 ' are a pair of of points, and JM2 and JM2 ' are a pair of of points, JM1 to JM2,
JM1 to JM2 ', JM1 ' are 300~400 meters to JM2 and JM1 ' to JM2 '.
Attached drawing 2 is the layout diagram of subnetting one of the present invention.
8 control points of zone encryption are surveyed in figure with one to explain, GPS1, GPS2, GPS3, GPS4 are that design provides
Fixed Initial Point, JM1′、JM2′、JM3And JM4For the unknown point of this measurement networking observation, JM1、JM2、JM3' and JM4' it is not subnetting one
Laying measurement point.
Attached drawing 3 is the layout diagram of subnetting two of the present invention.
8 control points of zone encryption are surveyed in figure with one to explain, GPS1, GPS2, GPS3, GPS4 are that design provides
Fixed Initial Point, JM1、JM2、JM3' and JM4' the unknown point observed for this measurement networking, JM1′、JM2′、JM3And JM4It is not subnetting two
Laying measurement point.
Attached drawing 4 is the layout diagram of comprehensive network of the present invention.
8 control points of zone encryption are surveyed in figure with one to explain, GPS1, GPS2, GPS3, GPS4 are that design provides
Fixed Initial Point, JM1、JM1′、JM2、JM2′、JM3、JM3′、JM4、JM4' all it is the unknown point for measuring networking.
Specific implementation mode
Below by embodiment and attached drawing, technical scheme of the present invention will be described in further detail.
The laying at step 1. known coordinate control point：Area periphery to be measured lay four known coordinate control points, four
Known coordinate control point is respectively labeled as GPS1, GPS2, GPS3 and GPS4, GPS1, and GPS2 is laid in the front side in region 1 to be measured,
GPS3 and GPS4 is laid in the rear side in region 1 to be measured, and GPS1 to GPS2 distances are 2500 meters, GPS1 to GPS4 distances are 4000
Rice, GPS2 to GPS3 distances are 3800 meters, and GPS3 to GPS4 distances are 2800 meters；
Step 2. networking at times and numeric value analysis, wherein networking are comprehensive network, and comprehensive network includes subnetting one and subnetting two, is divided
Net one and subnetting two divide equally 5 periods progress networkings, wherein N=1,2 ... 5, and n is positive integer, the duration 60min of each period,
Each period is a subnet, and networking at times and numeric value analysis include the following steps：
It includes following procedure that step 201. carries out networking simultaneous observation at times to subnetting one：
When the networking of step 2011 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1 ’And JM2 ’, wherein GPS1,
GPS2、JM1 ’And JM2 ’The distance between any two points are not less than 300m, GPS1, GPS2, JM1 ’And JM2 ’Form point of 1 period
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the period by net
Observation；
When step 2012.n (n=2) period networking, JM1 ’And JM2 ’Place sets up first GPS receiver respectively, then JM1 ’With
JM2 ’Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as JM3
And JM4, wherein JM1 ’、JM2 ’、JM3And JM4The distance between middle any two points are not less than 300m, JM1 ’、JM2 ’、JM3And JM4
The subnetting for forming for 2 periods stores up the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer
It deposits, completes the observation of the period；
When n (n=3) period networking, JM3And JM4Place sets up first GPS receiver respectively, then JM3And JM4It waits for front side
It surveys and sets up two the second GPS receiver in region 1, the location of every second GPS receiver is denoted as JM5 ’And JM6 ’, wherein
JM3、JM4、JM5 ’And JM6 ’The distance between middle any two points are not less than 300m, JM3、JM4、JM5 ’And JM6 ’Formed for 3 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
When n (n=4) period networking, JM5 ’And JM6 ’Place sets up first GPS receiver respectively, then JM5 ’And JM6 ’Front side
Two the second GPS receiver are set up in region 1 to be measured, the location of every second GPS receiver is denoted as JM7And JM8, wherein
JM5 ’、JM6 ’、JM7And JM8The distance between middle any two points are not less than 300m, JM5 ’、JM6 ’、JM7And JM8Formed for 4 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
The period that pass point terminates in step 2013. region 1 to be measured is JM7And JM8, then the period of processing completion time used for them networking is JM7、
JM8, GPS3 and GPS4, the data transmission that the first GPS receiver and the second GPS receiver are acquired is stored up to computer
It deposits, completes the observation of the period；
It includes following procedure that step 202. carries out networking simultaneous observation at times to subnetting two：
When the networking of step 2021 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1And JM2, wherein GPS1,
GPS2、JM1And JM2The distance between any two points are not less than 300m, GPS1, GPS2, JM1And JM2The subnetting of 1 period is formed,
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
When step 2022. n (n=2) period networking, JM1And JM2Place sets up first GPS receiver respectively, then JM1With
JM2Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as JM3 ’
And JM4 ’, wherein JM1、JM2、JM3 ’And JM4 ’The distance between middle any two points are not less than 300m, JM1、JM2、JM3 ’And JM4 ’
The subnetting for forming for 2 periods stores up the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer
It deposits, completes the observation of the period；
When n (n=3) period networking, JM3 ’And JM4 ’Place sets up first GPS receiver respectively, then JM3 ’And JM4 ’Front side
Two the second GPS receiver are set up in region 1 to be measured, the location of every second GPS receiver is denoted as JM5And JM6, wherein
JM3 ’、JM4 ’、JM5And JM6The distance between middle any two points are not less than 300m, JM3 ’、JM4 ’、JM5And JM6Formed for 3 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
When n (n=4) period networking, JM5And JM6Place sets up first GPS receiver respectively, then JM5And JM6It waits for front side
It surveys and sets up two the second GPS receiver in region 1, the location of every second GPS receiver is denoted as JM7 ’And JM8 ’, wherein
JM5、JM6、JM7 ’And JM8 ’The distance between middle any two points are not less than 300m, JM5、JM6、JM7 ’And JM8 ’Formed for 4 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
The period that pass point terminates in step 2023. region 1 to be measured is JM7 ’And JM8 ’, then the period of processing completion time used for them networking be
JM7 ’、JM8 ’, GPS3 and GPS4, the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer into
Row storage, completes the observation of the period；
All data stored in step 2 are formed the same network and carry out numeric value analysis using conventional method by step 3., are obtained
JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Position coordinates；
The setting-out of step 4. layout point plan-position：According to the JM obtained in step 31、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、
JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Position coordinates, using conventional method to layout point plan-position into
Row setting-out checks the measurement accuracy of control net.
JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Place is equal
Be provided with the observation pier for setting up instrument, be provided with forced centering apparatus in observation pier, observation pier can be concrete observation pier or
Person's steel observation pier, preferably concrete observation pier are embedded on the platform of concrete observation pier and to be installed for measuring instrument
Center connects screw, and center connection screw preferably prefers to use antirust volume copper material, increases connection screw
Durability, set up GPS receiver early period in observation pier, at times carry out data acquisition, the later stage set up total powerstation to construction
Region structures carry out setting-out use.
The function at station is set to adjacent 4 points using total powerstation known point（JM1、JM1 ’、JM2、JM2 ’）It is flexibly used, entirely
Instrument of standing is erected at point JM1, can be JM2 ’And JM2Station all is set as backsight point, similarly：In JM1 ’If standing, backsight JM2 ’And JM2；
In JM2 ’If standing, backsight JM1 ’And JM1；In JM2If standing, backsight JM1 ’And JM1, put in the plan-position to layout point
There is redundant observation when sample, by flexibly using JM1、JM1 ’、JM2And JM2 ’It carries out setting station four positions；Similarly：Adjacent 4 points have
JM2、JM2 ’、JM3、JM3 ’......JM7、JM7 ’、JM8And JM8 ’, the function at station is set using total powerstation resection, to layout point
Plan-position carries out setting-out, and total powerstation can be erected at the arbitrary point of construction area 1, can select to see according to instrument decorating position
Survey JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’… JM8And JM8 ’In arbitrary three consecutive points carry out resection set station, to other
Point carries out setting-out, and verification sets the calculation accuracy at station, ensures the precision of data setting-out.
The above is only presently preferred embodiments of the present invention, is not imposed any restrictions to the present invention, every according to the present invention
Technical spirit changes any simple modification, change and equivalent structure made by above example, still falls within skill of the present invention
In the protection domain of art scheme.
Claims (2)
1. construction compact district control point GPS position measurement method, it is characterised in that the technical solution of use includes following
Step：
The laying at step 1. known coordinate control point：Cloth sets four known coordinate control points other than region to be measured, and four
Knowing that coordinate control point is respectively labeled as GPS1, GPS2, GPS3 and GPS4, GPS1, GPS2 is laid in the front side in region 1 to be measured,
GPS3 and GPS4 is laid in the rear side in region 1 to be measured, and the distance between arbitrary two points are about in GPS1, GPS2, GPS3 and GPS4
2000~4000 meters；
Step 2. networking at times and numeric value analysis, wherein networking are comprehensive network, and comprehensive network includes subnetting one and subnetting two, is divided
Net one and subnetting two divide equally N number of period and carry out networking, and wherein N=1,2 ... n, n are positive integer, and the duration 40 of each period~
90min, each period are a subnet, and networking at times and numeric value analysis include the following steps：
It includes following procedure that step 201. carries out networking simultaneous observation at times to subnetting one：
When the networking of step 2011 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1 ’And JM2 ’, wherein GPS1,
GPS2、JM1 ’And JM2 ’300~400 meters of the distance between any two points, GPS1, GPS2, JM1 ’And JM2 ’The subnetting of 1 period is formed,
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
(n is step 2012. n>1 even number) period networking when, JM2n-3 ’And JM2n-2 ’Place sets up first GPS receiver respectively
Machine, then JM2n-3 ’And JM2n-2 ’Two the second GPS receiver, every second GPS receiver are set up in the region to be measured 1 of front side
Location is denoted as JM2n-1And JM2n, wherein JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe distance between middle any two points 300
~400 meters, JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe subnetting for forming the n periods, by the first GPS receiver and the second GPS receiver
The data transmission acquired is stored to computer, completes the observation of the period；
(n is n>1 odd number) period networking when, JM2n-3And JM2n-2Place sets up first GPS receiver respectively, then JM2n-3
And JM2n-2Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as
JM2n-1 ’And JM2n ’, wherein JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’300~400 meters of the distance between middle any two points, JM2n-3、
JM2n-2、JM2n-1 ’And JM2n ’The subnetting for forming the n periods, the data that the first GPS receiver and the second GPS receiver are acquired pass
It is defeated to be stored to computer, complete the observation of the period；
Step 2012 is repeated several times in step 2013., if the period that pass point terminates in region to be measured 1 is JM2n-1 ’And JM2n ’Then tie
The period of beam period networking is JM2n-1 ’、JM2n ’, GPS3 and GPS4；If the period that pass point terminates in region 1 to be measured is JM2n-1
And JM2nThen the period of processing completion time used for them networking is JM2n-1、JM2n, GPS3 and GPS4；By the first GPS receiver and the second GPS receiver
The data transmission that machine is acquired is stored to computer, completes the observation of the period；
It includes following procedure that step 202. carries out networking simultaneous observation at times to subnetting two：
When the networking of step 2021 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1And JM2, wherein GPS1,
GPS2、JM1And JM2300~400 meters of the distance between any two points, GPS1, GPS2, JM1And JM2The subnetting of 1 period is formed, it will
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
(n is step 2022. n>1 even number) period networking when, JM2n-3And JM2n-2Place sets up first GPS receiver respectively
Machine, then JM2n-3And JM2n-2Two the second GPS receiver, every second GPS receiver institute are set up in the region to be measured 1 of front side
The position at place is denoted as JM2n-1 ’And JM2n ’, wherein JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’The distance between middle any two points 300~
400 meters, JM2n-3、JM2n-2、JM2n-1 ’And JM2n ’The subnetting for forming the n periods, by the first GPS receiver and the second GPS receiver institute
The data transmission of acquisition is stored to computer, completes the observation of the period；
(n is n>1 odd number) period networking when, JM2n-3 ’And JM2n-2 ’Place sets up first GPS receiver respectively, then
JM2n-3 ’And JM2n-2 ’Two the second GPS receiver, the position residing for every second GPS receiver are set up in the region to be measured 1 of front side
It sets and is denoted as JM2n-1And JM2n, wherein JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2n300~400 meters of the distance between middle any two points,
JM2n-3 ’、JM2n-2 ’、JM2n-1And JM2nThe subnetting for forming the n periods, the first GPS receiver and the second GPS receiver are acquired
Data transmission is stored to computer, completes the observation of the period；
Step 2022 is repeated several times in step 2023., if the period that pass point terminates in region to be measured 1 is JM2n-1 ’And JM2n ’Then tie
The period of beam period networking is JM2n-1 ’、JM2n ’, GPS3 and GPS4；If the period that pass point terminates in region 1 to be measured is JM2n-1
And JM2nThen the period of processing completion time used for them networking is JM2n-1、JM2n, GPS3 and GPS4；By the first GPS receiver and the second GPS receiver
The data transmission that machine is acquired is stored to computer, completes the observation of the period；
All data stored in step 2 are formed the same network and carry out numeric value analysis using conventional method by step 3., are obtained
JM1 ’、JM2 ’、…JMm ’、JM1、JM2、…JMmPosition coordinates；
The setting-out of step 4. layout point plan-position：According to the JM obtained in step 31And JM1 ’、JM2And JM2 ’… JMmAnd JMm ’
Position coordinates, using conventional method to layout point plan-position carry out setting-out, it is known that coordinate control point, JM1And JM1 ’、JM2With
JM2 ’… JMmAnd JMm ’Place is both provided with the observation pier for the first GPS receiver or the erection of the second GPS receiver, using total powerstation
Setting-out, Setting Station of Total Station Instrument JM are carried out to the plan-position of layout point1For survey station point JM2And JM2 ’For backsight point ... JM1 ’For survey station
Point JM2And JM2 ’For backsight point, or it is erected at the arbitrary point in region to be measured and carries out resections using four points.
2. construction compact district according to claim 1 control point GPS position measurement method, it is characterised in that：
The laying at step 1. known coordinate control point：Four known coordinate control points are laid in area periphery to be measured, known to four
Coordinate control point is respectively labeled as GPS1, GPS2, GPS3 and GPS4, GPS1, and GPS2 is laid in the front side in region 1 to be measured, GPS3
It is laid in the rear side in region 1 to be measured with GPS4, GPS1 to GPS2 distances are 2500 meters, GPS1 to GPS4 distances are 4000 meters,
GPS2 to GPS3 distances are 3800 meters, and GPS3 to GPS4 distances are 2800 meters；
Step 2. networking at times and numeric value analysis, wherein networking are comprehensive network, and comprehensive network includes subnetting one and subnetting two, is divided
Net one and subnetting two divide equally 5 periods progress networkings, wherein N=1,2 ... 5, and n is positive integer, the duration 60min of each period,
Each period is a subnet, and networking at times and numeric value analysis include the following steps：
It includes following procedure that step 201. carries out networking simultaneous observation at times to subnetting one：
When the networking of step 2011 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1 ’And JM2 ’, wherein GPS1,
GPS2、JM1 ’And JM2 ’The distance between any two points are not less than 300m, GPS1, GPS2, JM1 ’And JM2 ’Form point of 1 period
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the period by net
Observation；
When step 2012.n (n=2) period networking, JM1 ’And JM2 ’Place sets up first GPS receiver respectively, then JM1 ’With
JM2 ’Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as JM3
And JM4, wherein JM1 ’、JM2 ’、JM3And JM4The distance between middle any two points are not less than 300m, JM1 ’、JM2 ’、JM3And JM4
The subnetting for forming for 2 periods stores up the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer
It deposits, completes the observation of the period；
When n (n=3) period networking, JM3And JM4Place sets up first GPS receiver respectively, then JM3And JM4Front side it is to be measured
Two the second GPS receiver are set up in region 1, the location of every second GPS receiver is denoted as JM5 ’And JM6 ’, wherein
JM3、JM4、JM5 ’And JM6 ’The distance between middle any two points are not less than 300m, JM3、JM4、JM5 ’And JM6 ’Formed for 3 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
When n (n=4) period networking, JM5 ’And JM6 ’Place sets up first GPS receiver respectively, then JM5 ’And JM6 ’Front side
Two the second GPS receiver are set up in region 1 to be measured, the location of every second GPS receiver is denoted as JM7And JM8, wherein
JM5 ’、JM6 ’、JM7And JM8The distance between middle any two points are not less than 300m, JM5 ’、JM6 ’、JM7And JM8Formed for 4 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
The period that pass point terminates in step 2013. region 1 to be measured is JM7And JM8, then the period of processing completion time used for them networking is JM7、
JM8, GPS3 and GPS4, the data transmission that the first GPS receiver and the second GPS receiver are acquired is stored up to computer
It deposits, completes the observation of the period；
It includes following procedure that step 202. carries out networking simultaneous observation at times to subnetting two：
When the networking of step 2021 period, first GPS receiver is set up respectively at GPS1 and GPS2, then in region to be measured
Two the second GPS receiver are set up in 1, the location of every second GPS receiver is denoted as JM1And JM2, wherein GPS1,
GPS2、JM1And JM2The distance between any two points are not less than 300m, GPS1, GPS2, JM1And JM2The subnetting of 1 period is formed,
The data transmission that first GPS receiver and the second GPS receiver are acquired is stored to computer, completes the sight of the period
It surveys；
When step 2022. n (n=2) period networking, JM1And JM2Place sets up first GPS receiver respectively, then JM1And JM2
Two the second GPS receiver are set up in the region to be measured 1 of front side, the location of every second GPS receiver is denoted as JM3 ’With
JM4 ’, wherein JM1、JM2、JM3 ’And JM4 ’The distance between middle any two points are not less than 300m, JM1、JM2、JM3 ’And JM4 ’Group
At the subnetting of 2 periods, the data transmission that the first GPS receiver and the second GPS receiver are acquired is stored to computer,
Complete the observation of the period；
When n (n=3) period networking, JM3 ’And JM4 ’Place sets up first GPS receiver respectively, then JM3 ’And JM4 ’Front side
Two the second GPS receiver are set up in region 1 to be measured, the location of every second GPS receiver is denoted as JM5And JM6, wherein
JM3 ’、JM4 ’、JM5And JM6The distance between middle any two points are not less than 300m, JM3 ’、JM4 ’、JM5And JM6Formed for 3 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
When n (n=4) period networking, JM5And JM6Place sets up first GPS receiver respectively, then JM5And JM6Front side it is to be measured
Two the second GPS receiver are set up in region 1, the location of every second GPS receiver is denoted as JM7 ’And JM8 ’, wherein
JM5、JM6、JM7 ’And JM8 ’The distance between middle any two points are not less than 300m, JM5、JM6、JM7 ’And JM8 ’Formed for 4 periods
Subnetting stores the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer, when completing this
The observation of section；
The period that pass point terminates in step 2023. region 1 to be measured is JM7 ’And JM8 ’, then the period of processing completion time used for them networking be
JM7 ’、JM8 ’, GPS3 and GPS4, the data transmission that the first GPS receiver and the second GPS receiver are acquired to computer into
Row storage, completes the observation of the period；
All data stored in step 2 are formed the same network and carry out numeric value analysis using conventional method by step 3., are obtained
JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Position coordinates；
The setting-out of step 4. layout point plan-position：According to the JM obtained in step 31、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、
JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Position coordinates, using conventional method to layout point plan-position into
Row setting-out checks the measurement accuracy of control net;
JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’、JM4、JM4 ’、JM5、JM5 ’、JM6、JM6 ’、JM7、JM7 ’、JM8And JM8 ’Place is respectively provided with
There is the observation pier for setting up instrument, is provided with forced centering apparatus in observation pier, observation pier can be concrete observation pier or steel
Observation pier processed, preferably concrete observation pier are embedded with the center installed for measuring instrument on the platform of concrete observation pier
Screw is connected, center connection screw preferably prefers to use antirust volume copper material, increases the resistance to of connection screw
Long property, sets up GPS receiver early period in observation pier, carries out data acquisition at times, and the later stage sets up total powerstation to construction area
Structures carry out setting-out use;
The function at station is set to adjacent 4 points using total powerstation known point（JM1、JM1 ’、JM2、JM2 ’）It is flexibly used, total powerstation
It is erected at point JM1, can be JM2 ’And JM2Station all is set as backsight point, similarly：In JM1 ’If standing, backsight JM2 ’And JM2；?
JM2 ’If standing, backsight JM1 ’And JM1；In JM2If standing, backsight JM1 ’And JM1, setting-out is carried out in the plan-position to layout point
When have redundant observation, by flexibly use JM1、JM1 ’、JM2And JM2 ’It carries out setting station four positions；Similarly：Adjacent 4 points have
JM2、JM2 ’、JM3、JM3 ’......JM7、JM7 ’、JM8And JM8 ’, the function at station is set using total powerstation resection, to layout point
Plan-position carries out setting-out, and total powerstation can be erected at the arbitrary point of construction area 1, can select to see according to instrument decorating position
Survey JM1、JM1 ’、JM2、JM2 ’、JM3、JM3 ’… JM8And JM8 ’In arbitrary three consecutive points carry out resection set station, to other
Point carries out setting-out, and verification sets the calculation accuracy at station, ensures the precision of data setting-out.
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