CN104635200B - Measuring method for calibration of north direction of phased array antenna based on gyro orientation - Google Patents
Measuring method for calibration of north direction of phased array antenna based on gyro orientation Download PDFInfo
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- CN104635200B CN104635200B CN201510050279.9A CN201510050279A CN104635200B CN 104635200 B CN104635200 B CN 104635200B CN 201510050279 A CN201510050279 A CN 201510050279A CN 104635200 B CN104635200 B CN 104635200B
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- total powerstation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C1/00—Measuring angles
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Variable-Direction Aerials And Aerial Arrays (AREA)
Abstract
The invention discloses a measuring method for calibration of north direction of a phased array antenna based on gyro orientation. The measuring method comprises the following steps of 1, selecting a ground point A around the phased array antenna, arranging a gyro total station at the point A, and measuring the azimuth alphaAO of a measuring line AO; 2, calculating to obtain the azimuth of a measuring line OA; 3, arranging a total station at a point O, enabling a front mirror of the total station to sight the ground point A; configuring a horizontal dial of the total station, and setting the reading of the horizontal dial of the total station as alphaAO; 4, rotating a sighting part of the total station, setting the reading of the horizontal dial along the sighting direction of the total station as 0 (degree)-00 (minute)-00 (second), and selecting any point N on a true north direction line as a calibration reference point; 5, arranging the total station at the point N, enabling the total station to sight a point O, horizontally rotating the phased array antenna by using the point O as the center of a circle, and positioning the main axis of the phased array antenna on a sight line direction, so as to complete the measuring on the calibration of the true north direction of the phased control antenna. The measuring method can effectively solve the problems of waste of time and labor and low calibration accuracy of the existing conventional calibration method.
Description
Technical field
The invention belongs to Geodetic Technique field, and in particular to a kind of calibration phased array antenna north based on gyrocompassing
The measuring method in direction.
Technical background
Phased array antenna is the day for changing pattern shapes by the current feed phase of radiating element in control array antenna
Line, is usually used in ground spacing wave and receives, launches, ballistic missile defense, the field such as satellite-signal transmitting-receiving.Control phase place can change day
The sensing of line directional diagram maximum, to reach the purpose of beam scanning, its direction calculation is rotated as antenna using direct north
Angle reference data, if antenna spindle line installs deviation, direct north will cause error in pointing.Therefore, the installation of phased array antenna
Need strict sensing direct north.
Due to phased array antenna surface area it is less, it is difficult to directly carry out the north to demarcation using measuring instrument, and utilize sieve
Disk, compass demarcate the north to magnetic north direction is, and precision is relatively low, and do not meet wanting for the direct north needed for direction calculation
Ask.Meanwhile, existing some conventional Calibration Methods are the methods chosen two datum marks in survey area first and measured by GPS
2 geodetic coordinates are determined, the north orientation azimuth of point-to-point transmission survey line is then calculated according to 2 geodetic coordinates, finally using top
The erecting bed that the north orientation azimuth of survey line between GPS point is connected to phased array antenna by the method that angle is transmitted by spiral shell total powerstation is simultaneously
Demarcated.This scaling method needs long-time GPS to observe, and the process of later stage gps data and angle orientation calculating process are complicated,
Waste time and energy very much, and total powerstation angle transmittance process can cause error accumulation, precision it cannot be guaranteed that.
Gyroscope total station is that gyroscope and total powerstation are integratedly connected on one by one kind, only by sensitive earth rotation effects
The vertical accurate measurement orientation device for determining real north.It is usually used in the underground connection project such as mine, tunnel, subway and guided missile is sent out
Penetrate initial orientation calibration.Therefore, study a kind of utilization gyroscope total station to the phased array antenna north to measurement, it is existing for avoiding
Have measuring method waste time and energy and situation that precision is poor has realistic meaning very much.
The content of the invention
The technical problem to be solved is to be directed to above-mentioned deficiency of the prior art, there is provided one kind utilizes gyro
Total powerstation demarcate phased array antenna the north to measuring method, its realize it is convenient and measure calibration result high precision, can effectively solve
Certainly phased array antenna conventional mounting Calibration Method is time-consuming, laborious and problem of low precision.
To solve above-mentioned technical problem, the present invention is adopted the following technical scheme that and solved：
A kind of calibration phased array antenna north based on gyrocompassing to measuring method, comprise the following steps：
The first step, chooses ground point A, the point A and phased array antenna central point O and leads at phased array antenna surrounding spaciousness
Depending on；Gyroscope total station is disposed in A points so that the gyroscope total station sights O points and measures the azimuth angle alpha of survey line AOAO；
Second step, according to positive reverse azimuth the general principle of 180 degree is differed, and using formula 1 orientation of survey line OA is calculated
Angle；If αAOThen sign takes "-" to 180 ° of ＞ in formula 1, if αAOThen sign takes "+" to 180 ° of ＜ in formula 1；
αOA=αAO± 180 ° (formula 1)
Wherein, αAORepresent the azimuth of survey line AO；αOARepresent the azimuth of survey line OA；
3rd step, in phased array antenna central point O total powerstation is disposed, and rotates the total powerstation alidade, makes total powerstation
Telescope direct sights ground point A points；Configuration total powerstation horizontal limb, makes total powerstation horizontal limb reading be αOA；
4th step, rotates the total powerstation alidade, makes the horizontal limb reading that total powerstation sights direction be 0 ° 00 ' 00 ",
Now total powerstation sights direction and is direct north, and arbitrfary point N is chosen on the direct north line as calibration datum mark；
5th step, by the total powerstation N points are placed in, and rotate total powerstation alidade, make total powerstation sight phased array day
Line central point O, by the center of circle of O points phased array antenna is horizontally rotated, and phased array antenna main shaft is located on direction of visual lines, that is, complete
Phased array antenna direct north calibration measurement.
Further, in the first step, the horizontal range of point O and point A is more than 20m.
Compared with existing general measure calibration direction, the method for the present invention realize that process is convenient and Measurement results accurately,
The north orientation orientation precise calibration problem of energy effectively solving phased array antenna, during by calibration phased array antenna of the present invention, using top
The technical characterstic of spiral shell total powerstation automated north-seeking orientation, fast and accurately by the calibration of positive north azimuth reference in phased array antenna center,
Can effectively solve the problem that existing conventional Calibration Method is time-consuming, laborious and the low problem of calibration precision.
Description of the drawings
Fig. 1 is phased array antenna central point O, gyroscope total station settlement A and calibration datum mark N in the method for the present invention
Position view.
Fig. 2 is the flow chart of the method for the present invention.
Below in conjunction with accompanying drawing and example to technical scheme further explanation explanation.
Specific embodiment
As shown in Figure 1 and Figure 2, the present invention be given a kind of calibration phased array antenna north based on gyrocompassing to measurement
Method, comprises the following steps：
The first step, chooses ground point A, the point A and phased array antenna central point O and leads at phased array antenna surrounding spaciousness
Depending on the horizontal range of point O and point A is more than 20m；Gyroscope total station is disposed in A points so that the gyroscope total station is sighted O points and surveyed
Obtain the azimuth angle alpha of survey line AOAO；
Second step, according to positive reverse azimuth the general principle of 180 degree is differed, and using formula 1 orientation of survey line OA is calculated
Angle；If αAOThen sign takes "-" to 180 ° of ＞ in formula 1, if αAOThen sign takes "+" to 180 ° of ＜ in formula 1；
αOA=αAO± 180 ° (formula 1)
Wherein, αAORepresent the azimuth of survey line AO；αOARepresent the azimuth of survey line OA；
3rd step, in phased array antenna central point O total powerstation is disposed, and rotates the total powerstation alidade, makes total powerstation
Telescope direct sights ground point A points；Configuration total powerstation horizontal limb, makes total powerstation horizontal limb reading be αOA；
4th step, rotates the total powerstation alidade, makes the horizontal limb reading that total powerstation sights direction be 0 ° 00 ' 00 ",
Now total powerstation sights direction and is direct north, and arbitrfary point N is chosen on the direct north line as calibration datum mark；
5th step, by the total powerstation N points are placed in, and rotate total powerstation alidade, make total powerstation sight phased array day
Line central point O, by the center of circle of O points phased array antenna is horizontally rotated, and phased array antenna main shaft is located on direction of visual lines, that is, complete
Phased array antenna direct north calibration measurement.
One embodiment of the present of invention given below, it should be noted that the present embodiment is the technology in order that the present invention
The enforcement of scheme is easier to understand, and technical scheme scope of the claimed is not limited to the present embodiment.
Embodiment：
The first step, chooses ground point A at phased array antenna surrounding spaciousness, leads to point A and phased array antenna central point O
Depending on, disposing gyroscope total station in A points and sight O points, the horizontal range of point O and point A is equal to 25m；The azimuth of measurement survey line AO
αAO；
The gyroscope total station observing buoy table of table 1
αAO=358 ° 32 ' 00 "
Second step, according to the azimuth angle alpha of survey line AOAOThe azimuth of inverse survey line OA, αOA=αAO- 180 °=178 ° 32 '
00″；
3rd step, in point O total powerstation, and telescope direct aiming point A are disposed, and now registering total powerstation horizontal limb, makes total powerstation
Actual read number in A directions is the azimuth angle alpha of survey line OAOA=178 ° 32 ' 00 "
4th step, rotates total powerstation alidade, makes horizontal limb reading be 0 ° 00 ' 00 ", now total powerstation sights direction i.e.
For the direct north at (i.e. phased array antenna center) at O points, arbitrfary point N is chosen on direction line as calibration datum mark；
5th step, by total powerstation N points are placed in, and rotate total powerstation alidade, sight phased array antenna central point O, level
Rotating phase array antenna, adjusts the orientation of phased array antenna main shaft LL ', LL ' is located on sight line NO direction, that is, complete phase
The calibration measurement work of control array antenna.
6th step, checks.In order to test to the calibration effect of the method for the present invention, choose two GPSs and enter
Row long-time static measurement O, the such as geodetic coordinates that 2 points of N, following table：
The GPS point geodetic coordinates statistical form of table 2
| Call the roll | Latitude | Longitude | Elevation (rice) |
| N | 34°08′24.3083″ | 108°59′47.6912″ | 531.045824 |
| O | 34°08′22.9679″ | 108°59′47.6912″ | 530.377592 |
From table 2 it can be seen that 2 longitude coordinates of O, N are consistent, show that survey line ON meets direct north calibration request.
Claims (2)
1. a kind of calibration phased array antenna north based on gyrocompassing to measuring method, it is characterised in that including following step
Suddenly：
The first step, chooses ground point A, the point A and phased array antenna central point O intervisibilities at phased array antenna surrounding spaciousness；In A
Point placement gyroscope total station so that the gyroscope total station sights O points and measures the azimuth angle alpha of survey line AOAO；
Second step, according to positive reverse azimuth the general principle of 180 degree is differed, and using formula 1 azimuth of survey line OA is calculated；If
αAOThen sign takes "-" to 180 ° of ＞ in formula 1, if αAOThen sign takes "+" to 180 ° of ＜ in formula 1；
αOA=αAO± 180 ° (formula 1)
Wherein, αAORepresent the azimuth of survey line AO；αOARepresent the azimuth of survey line OA；
3rd step, in phased array antenna central point O a total powerstation is disposed, and rotates the total powerstation alidade, makes total powerstation just
Mirror sights ground point A points；Configuration total powerstation horizontal limb, makes total powerstation horizontal limb reading be αOA；
4th step, rotates the total powerstation alidade, makes the horizontal limb reading that total powerstation sights direction be 0 ° 00 ' 00 ", now
Total powerstation sights direction and is direct north, and arbitrfary point N is chosen on the direct north line as calibration datum mark；
5th step, by the total powerstation N points are placed in, and rotate total powerstation alidade, total powerstation is sighted in phased array antenna
Heart point O, by the center of circle of O points phased array antenna is horizontally rotated, and phased array antenna main shaft is located on direction of visual lines, that is, complete phase
The calibration measurement of control array antenna direct north.
2. the calibration phased array antenna north based on gyrocompassing as claimed in claim 1 to measuring method, its feature exists
In in the first step, the horizontal range of point O and point A is more than 20m.
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| CN105606906B (en) * | 2015-12-24 | 2018-07-06 | 中国电子科技集团公司第五十四研究所 | A kind of millimeter wave phased array test calibration method |
| CN105607654A (en) * | 2016-01-04 | 2016-05-25 | 成都天衡电科科技有限公司 | Method for controlling linear displacement direction |
| CN109099856A (en) * | 2018-07-12 | 2018-12-28 | 河北农业大学 | A kind of crown mapping measurement method and system based on azimuth and distance |
| CN110285708B (en) * | 2019-05-28 | 2021-07-27 | 中国人民解放军陆军工程大学 | Rapid detection method for north-seeking precision of self-propelled gun positioning and orienting system |
| CN111220180B (en) * | 2020-03-04 | 2023-03-24 | 杜志刚 | Directional precision testing method for gyroscopic total station |
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| DE3912108A1 (en) * | 1989-04-13 | 1990-10-18 | Teldix Gmbh | Vehicle with orientation system - has link to weapon or radar alignment gyro for correction and improved performance |
| CN101033967A (en) * | 2007-04-03 | 2007-09-12 | 东南大学 | Total station instrument combined location method based on optical fiber gyro |
| CN101285684A (en) * | 2008-05-22 | 2008-10-15 | 长安大学 | Gyro positioning measuring method |
| CN101819284A (en) * | 2010-05-18 | 2010-09-01 | 长安大学 | Method for measuring polar motion of globe by using gyroscope |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1164514A (en) * | 1997-08-27 | 1999-03-05 | Penta Ocean Constr Co Ltd | Gps antenna in measuring device by real time kinematic method |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3912108A1 (en) * | 1989-04-13 | 1990-10-18 | Teldix Gmbh | Vehicle with orientation system - has link to weapon or radar alignment gyro for correction and improved performance |
| CN101033967A (en) * | 2007-04-03 | 2007-09-12 | 东南大学 | Total station instrument combined location method based on optical fiber gyro |
| CN101285684A (en) * | 2008-05-22 | 2008-10-15 | 长安大学 | Gyro positioning measuring method |
| CN101819284A (en) * | 2010-05-18 | 2010-09-01 | 长安大学 | Method for measuring polar motion of globe by using gyroscope |
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