CN106643582A - Large mesh antenna reflector profile high-precision test method - Google Patents
Large mesh antenna reflector profile high-precision test method Download PDFInfo
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- CN106643582A CN106643582A CN201611039567.5A CN201611039567A CN106643582A CN 106643582 A CN106643582 A CN 106643582A CN 201611039567 A CN201611039567 A CN 201611039567A CN 106643582 A CN106643582 A CN 106643582A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/30—Measuring arrangements characterised by the use of optical techniques for measuring roughness or irregularity of surfaces
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
Abstract
A large mesh antenna reflector profile high-precision test method is provided. By using high-precision industrial digital photogrammetry technology, a single camera is used for separately recording the images of the same scene in a space from different locations and directions. By means of image processing and according to known camera parameters, the three-dimensional coordinates of the scene relative to a coordinate system in the space are calculated. The profile precision of the mesh antenna is obtained by fitting the coordinate values with a theoretical profile. In order to improve the profile measurement precision of a large-caliber small-datum and high-precision large flexible mesh antenna reflector, by means of a designed reference conversion device, a high-precision long reference ruler, the large mesh antenna reflector profile is subjected to high-precision testing by optimal technological parameters of the photogrammetry system.
Description
Technical field
The present invention relates to a kind of large-scale net-shape antenna reflector type face method for testing precision, belongs to aerial mechanical e measurement technology
Field.
Background technology
Antenna-reflected type face precision is to weigh, evaluate the important indicator of antenna quality, antenna-reflected type face precision
Height will directly affect the electrical performance indexes of antenna.It is at present to adopt high accuracy industrial digital photogrammetric technology, the technology more
Based on binocular stereo vision three-dimensional reconstruction principle, space Same Scene is recorded respectively from diverse location and direction using single camera
Image, the corresponding points in this two-dimensional images are found by image procossing, according to inside and outside portion's parameter of known camera,
It is calculated its three-dimensional coordinate relative to certain coordinate system in space.Sit the three-dimensional of antenna reflector surface measurement point is obtained
After mark, the type face precision for obtaining antenna reflector is fitted to these coordinate values and theoretical profile.
For being tested not antenna-reflected type face precision using high accuracy industrial digital photogrammetric technology
It is common, generally using traditional photography measuring method to heavy caliber, little benchmark, the reflection of high precision large-sized net-shape antenna in prior art
Device carries out type face accuracy test, but brings larger type face accuracy test error, and high precision large-sized net-shape antenna cannot have been met
Requirement of the reflector to type face precision.So being directed to heavy caliber, little benchmark, high precision large-sized net-shape antenna reflector, need to change
Enter, optimize traditional photography measuring method, complete the type face precision measure of high-precision antenna reflector.
The content of the invention
Present invention solves the technical problem that being：Overcome the deficiencies in the prior art, it is big for heavy caliber, little benchmark, high accuracy
Type net-shape antenna reflector, extends frock and little benchmark is amplified using benchmark, reduces the big error that little Reference Transforming brings,
By the long station meter design of high accuracy and layout, and Digital Photogrammetric System is improved using photogrammetric technological parameter after optimization
Measuring accuracy, and then improve the type face measuring accuracy of large-scale net-shape antenna reflector.
The present invention technical solution be：A kind of large-scale net-shape antenna reflector type face high precision measurement method, including
Following steps：
Step one, by benchmark magnification-changer be arranged on large-scale net-shape antenna reflector benchmark flange on so that it is netted
Reference Transforming on antenna reflector benchmark flange is on the photogrammetric index point in carbon fibre member bar distal end of Reference Transforming device；
Step 2, type face precision is carried out to large-scale net-shape antenna reflector using industrial digital Digital Photogrammetric System survey
Amount, according to industrial digital Digital Photogrammetric System needs, pastes respectively on each node of net-shape antenna reflector major network face and takes the photograph
Shadow surveying marker point, and ground is evenly arranged the reflective Code of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area
Point, 2 invar watt station meters are positioned over immediately below net-shape antenna reflector spreading area on ground, are mutually perpendicular in end；
Step 3, using photogrammetric camera large-scale net-shape antenna reflector is shone in different photogrammetric positions
Piece shoots；Photogrammetric position is circumferentially distributed along net-shape antenna reflector, while being distributed in net-shape antenna reflector center region
Surface；
Step 4, the quasi- bi-level digital image to obtaining large-scale net-shape antenna reflector carry out Computer Image Processing, obtain
The X under measurement coordinate system, Y, the Z coordinate value of photogrammetric index point, shape on each node in net-shape antenna reflector major network face
Reticulate the curved surface that photogrammetric index point is constituted on each node in antenna reflector major network face；The measurement coordinate system is industry
Digital photogrammetry system default coordinate system, it is former by coordinate system of first image center of photogrammetric camera imaging
Point, first image place plane is XOY faces, and Z axis are vertical with XOY faces；
Step 5, common point conversion is carried out by the photogrammetric index point on Reference Transforming device：By large-scale netted day
The X of photogrammetric index point, Y, Z coordinate value are transformed into antenna theory and sit from measurement coordinate system on each node in line reflection device major network face
Under mark system；Point coordinates measured value and Theoretical Design value in theoretical coordinate system, to each node in net-shape antenna reflector major network face
Deviation seek root-mean-square error, obtain the type face precision of net-shape antenna reflector；The coordinate origin O ' of the theoretical coordinate system
For any one datum mark on net-shape antenna reflector benchmark flange, coordinate system X ' O ' Y ' faces and net-shape antenna reflector basic taper method
Blue face is parallel, and Z ' axles are perpendicular to X ' O ' Y ' faces.
The Reference Transforming device includes carbon fibre member bar, supports metal flange, is integrated, each carbon fiber bar
Part root is each attached to support on metal flange, in 5 carbon fiber bars are generally aligned in the same plane, wherein, two carbon fiber bars are same
On straight line, another carbon fiber bar vertically forms two right angle angles with above-mentioned two carbon fiber bars, in addition two carbon fibres
Dimension bar is located at respectively in two right angle angles and is in respectively 45 ° of angles with two carbon fiber bars for forming right angle angle, the 6th carbon
Fiber rod be generally aligned in the same plane in 5 carbon fiber bars it is vertical；Support metal flange and net-shape antenna reflector basic taper method
Blue size, hole position are consistent, paste photogrammetric index point respectively in each carbon fibre member bar distal end and represent net-shape antenna reflector
The benchmark of amplification.
Photogrammetric position has 35 in the step 3, wherein, 30 photogrammetric positions are along net-shape antenna reflector
Edge is circumferentially uniformly distributed one week；Another 5 photogrammetric positions are located at directly over net-shape antenna reflector center region with major network
It is uniformly distributed circumferentially centered on the central point of face, with the distance in major network face in the range of 3 ± 0.25m.
In the step 3 photogrammetric camera in the distance on each photogrammetric position and ground in the range of 7 ± 0.5m,
It is 6～7 that each photogrammetric position shoots number of pictures, and it is 200～250 to shoot photo sum, and it is adjacent that camera shoots two
Photo intersection angle is maintained in the range of 60 °～120 °.
The length of the carbon fibre member bar is 500mm.
The length of the invar watt station meter is 5m.
A diameter of Φ 6mm of photogrammetric index point on each node in the net-shape antenna reflector major network face.
Present invention advantage compared with prior art is：
(1) method of testing of the invention is applied to heavy caliber, little benchmark, high precision large-sized net-shape antenna reflector, with biography
Have image measuring method under one's command directly carries out type face accuracy test to antenna reflector, and antenna reflector benchmark is little, type face test benchmark
Transformed error is big, causes that antenna-reflected type face accuracy test error is larger to be compared, and the present invention is little for antenna reflector benchmark
Cause the problem that measure error is big, by improving photogrammetric scheme, frock is extended using benchmark antenna reflector benchmark is entered
Row amplifies, and can effectively improve the precision of large-scale net-shape antenna reflector type planar survey.
(2) method of testing of the invention is in heavy caliber, little benchmark, the test of high precision large-sized net-shape antenna reflector type face
In, 1m length standards chi being carried using Digital Photogrammetric System antenna-reflected type face is tested, the test of type face is photogrammetric
Systematic error is larger, by the long invar steel high precision reference chis of 2 special 5m of design, and carries out two-dimensional direction preferred arrangement, can
Significantly improve antenna reflector profile measurement precision.
(3) the Digital Photogrammetric System technological parameter that method of testing of the invention is given tacit consent to using solid surface antenna type face accuracy test
Large-scale net-shape antenna reflector type face precision is tested, type face test error is bigger than normal, for large-scale net-shape antenna reflector,
By being optimized to Digital Photogrammetric System technological parameter, the type face test essence of large-scale net-shape antenna reflector can be significantly improved
Degree.
Description of the drawings
Fig. 1 is the Reference Transforming schematic device that the present invention is amplified for little benchmark；
Fig. 2 is the Reference Transforming device scheme of installation of the present invention；
Fig. 3 is that the Reference Transforming device of the present invention installs aft antenna theoretical coordinate system schematic diagram；
Fig. 4 is that photogrammetric technological parameter (take the photograph station quantity optimization and take the photograph station location optimization) is illustrated after optimization of the invention
Figure.
Specific embodiment
With reference to the accompanying drawings and examples the invention will be further described.
A kind of large-scale net-shape antenna reflector type face high precision measurement method, comprises the steps：
Step one, as shown in Figure 1 and Figure 2, by benchmark magnification-changer large-scale net-shape antenna reflector basic taper method is installed on
Lan Shang, Reference Transforming device is fastenedly connected with net-shape antenna reflector benchmark flange using screw, Reference Transforming device peace
Before dress, Reference Transforming device root metal flange is positioned with net-shape antenna reflector benchmark flange using pin-and-hole, to ensure
Its installation accuracy, installment state of the Reference Transforming device on net-shape antenna reflector is as shown in Figure 2.Reference Transforming device is by 6
The carbon fibre member bar of root 500mm length and its root support metal flange to process by integration, remote in 6 carbon fibre member bars
The benchmark that 6 photogrammetric index points represent the amplification of net-shape antenna reflector is pasted respectively in end；Reference Transforming device root metal
Flange is consistent with large-scale net-shape antenna reflector benchmark flange size, hole position, and two flanges are attached by screw, Reference Transforming
Device will be on net-shape antenna reflector benchmark flange after installing little Reference Transforming to Reference Transforming device six roots of sensation carbon fiber bar
On the photogrammetric index point in part distal end, that is, complete the little benchmark enhanced processing of large-scale net-shape antenna reflector.
Step 2, type face precision is carried out to large-scale net-shape antenna reflector using industrial digital Digital Photogrammetric System survey
Amount, according to industrial digital Digital Photogrammetric System needs, needs to pasting photogrammetric index point on measured object, under measured object
The reflective Code points of photography and Digital Photogrammetric System length standard scale are put in square ground, and large-scale net-shape antenna reflector is being carried out
Before the accuracy test of type face, the photogrammetric index points of Φ 6mm are pasted respectively on the node of 211, face of net-shape antenna reflector major network,
And ground separation 1m is evenly arranged the reflective Code points of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area, while
The long invar watt high precision reference chi of 2 5m is positioned over into ground immediately below net-shape antenna reflector spreading area, 2 5m length are high
Precision reference chi carries out two-dimensional directional level and puts.
Step 3, as shown in figure 4, being reflected large-scale net-shape antenna using photogrammetric camera point 35 photogrammetric positions
Device carries out type face accuracy test, encloses along net-shape antenna reflector circumferential, and point 30 photogrammetric location points are to net-shape antenna
Reflector carries out the shooting of type face, and 30 photogrammetric positions are circumferentially uniformly distributed one week along net-shape antenna reflector edge；Camera
Apart from 7 ± 0.5m of ground, point 5 photogrammetric location points are anti-to net-shape antenna directly over net-shape antenna reflector center region
Emitter type face is encrypted shooting, and 5 photogrammetric positions are located at directly over net-shape antenna reflector center region with major network face
Be uniformly distributed circumferentially centered on central point, between 5 photogrammetric positions and the line of major network face central point angle it is equal, away from
It is 3 ± 0.25m above 5 location point camera distance net-shape antenna reflector major network faces from equal, net-shape antenna reflector type face
It is 6～7 that each photogrammetric position shoots number of pictures during precision measure, and it is 200～250 that type face shoots photo sum,
Camera shoots two adjacent photo intersection angles and should be maintained at 60 °～120 °, the photogrammetric technique ginseng after finally optimizing according to more than
The high accuracy that number carries out large-scale net-shape antenna reflector type face is photogrammetric.
Step 4, according to step one to step 3 to large-scale net-shape antenna reflector type face accuracy test after the completion of, obtain final product
To the quasi- bi-level digital image of large-scale net-shape antenna reflector, net-shape antenna reflector can be obtained Jing after computer image procossing
Accurate X, Y, Z D coordinates value of photogrammetric index point on the node of 211, major network face, net-shape antenna reflector major network face node
The curved surface that upper 211 photogrammetric index points are constituted represents large-scale net-shape antenna reflector type face, is filled by Reference Transforming
Putting 6 photogrammetric index points carries out " common point conversion ", will photograph on the node of 211, face of net-shape antenna reflector major network first
Surveying marker point X, Y, Z three-dimensional coordinate is transformed under antenna theory coordinate system from measurement coordinate system, then by the antenna master of measurement
211 node point coordinates of wire side make the difference with antenna theory design node point coordinates, obtain the node actual measurement of 211, antenna major network face
The deviation of value and Theoretical Design value, by seeking root-mean-square error (RMS) to 211, antenna major network face node single-point deviation, finally
Obtain type face precision (RMS) of large-scale net-shape antenna reflector；Measurement coordinate system is industrial digital Digital Photogrammetric System acquiescence
Coordinate system, generally first image center with Digital Photogrammetric System camera imaging as coordinate origin, image place plane
It is measurement coordinate system Z axis perpendicular to the plane of delineation for XOY faces；Theoretical coordinate system is located on net-shape antenna reflector benchmark flange,
As shown in figure 3, coordinate origin O ' is wherein any one datum mark on net-shape antenna reflector benchmark, coordinate system X ' O ' Y ' faces
Parallel with reflector benchmark flange surface, Z ' axles are perpendicular to X ' O ' Y ' faces.
Embodiment
Below with the typical heavy caliber of the large-scale net-shape antenna reflectors of 15.6m, little benchmark, high accuracy net-shape antenna reflector
As a example by, the present invention will be described.
The large-scale net-shape antenna reflector of step one, 15.6m is that typical heavy caliber, little benchmark, high accuracy net-shape antenna are anti-
Emitter, the net-shape antenna reflector has a very simple and clear little reference characteristic, antenna reflector design basis flange face be only 180mm ×
180mm, the antenna with respect to 15.6m launches for bore, and benchmark is less than normal, and 15.6m net-shape antennas are reflected using such little benchmark
Device carries out type face accuracy test, and Reference Transforming error is larger, is to reduce Reference Transforming error, in 15.6m net-shape antenna reflectors
A set of Reference Transforming device is designed at switching arm flange-interface, Reference Transforming device design basis point is 6, between datum mark most
Long length is 1200mm (expanding nearly 7 times equivalent to by the little benchmark of 15.6m net-shape antenna reflectors), on Reference Transforming device
End adopts carbon fibre member bar, is provided with photogrammetric index point, and lower end is the support metal method being connected with antenna switching arm flange
Orchid, supports metal flange to be located by connecting by pin-and-hole with antenna switching arm flange, can make large-scale net-shape antenna reflector benchmark essence
Really it is transformed on 6 photogrammetric index points of Reference Transforming device.Large-scale net-shape antenna reflector benchmark is to Reference Transforming device 6
The demarcation conversion of individual photogrammetric index point is carried out using industrial digital Digital Photogrammetric System, high accuracy photography frock (work
The auxiliary member of industry digital photogrammetry system) it is placed in 4 datum holes on antenna switching arm flange, by industrial digital
Change Digital Photogrammetric System test, 6 obtained on antenna switching arm flange on 4 datum holes and Reference Transforming device are photogrammetric
The center position coordinates of each point of index point, are then carried out " public according to the theoretical value of 4 datum holes on antenna switching arm flange
Concurrent is changed ", center of each point of acquisition Reference Transforming 6 photogrammetric index points of device is under theoretical coordinate system
Coordinate value.
Step 2, the design feature based on the large-scale net-shape antenna reflectors of 15.6m, net-shape antenna reflector wire side is relatively low,
It is unsuitable for 5m station meters to be put in vertical direction, admittedly using the long station meter of 2 5m in net-shape antenna reflector spreading area
Underface is laid out by two-dimensional level direction.
Step 3, the large-scale net-shape antenna reflectors of 15.6m are entered using photogrammetric camera point 35 photogrammetric positions
Row type face accuracy test, encloses along net-shape antenna reflector circumferential, and point 30 photogrammetric location points are reflected net-shape antenna
Device carries out the shooting of type face, and 7 ± 0.5m of camera distance ground, point 5 photographies directly over net-shape antenna reflector center region are surveyed
Amount location point is encrypted shooting, 5 location point camera distance net-shape antenna reflector major networks to net-shape antenna reflector type face
Face is 3 ± 0.25m, and it is 6～7 that each photogrammetric position shoots number of pictures during the face precision measure of net-shape antenna reflector type
, it is 200～250 that type face shoots photo sum, makes camera shoot two adjacent photo intersection angles and is maintained at 60 °～120 °, is led to
Photogrammetric technological parameter after crossing using optimization carries out the high accuracy photography in the large-scale net-shape antenna reflector type faces of 15.6m and surveys
Amount.
Step 4, by verification experimental verification, using a set of Reference Transforming device by design, by the long station meter of high accuracy
Optimization layout, and Digital Photogrammetric System optimal procedure parameters are set, the large-scale net-shape antenna reflector type faces of 15.6m are carried out high-precision
Degree test, the large-scale net-shape antenna reflector type face precision measure error of final 15.6m can reach 0.0253mm.
For the large-scale net-shape antenna reflectors of 15.6m, being amplified by benchmark carries out type face accuracy test to reflector, can make
Test maximum single-point error in reflector type face brings up to 0.7mm by 1.63mm；To the large-scale net-shape antenna reflectors of 15.6m, pass through
The design of station meter improves and optimizes layout, and antenna reflector Digital Photogrammetric System error can be made to be brought up to by 0.157mm
0.101mm；To 15.6m net-shape antenna reflectors, improved by Digital Photogrammetric System technological parameter, antenna-reflected type face can be made
Accuracy test systematic error reaches 0.0203mm.
The content not being described in detail in description of the invention belongs to the known technology of those skilled in the art.
Claims (7)
1. a kind of large-scale net-shape antenna reflector type face high precision measurement method, it is characterised in that comprise the steps：
Step one, by benchmark magnification-changer be arranged on large-scale net-shape antenna reflector benchmark flange on so that net-shape antenna
Reference Transforming on reflector benchmark flange is on the photogrammetric index point in carbon fibre member bar distal end of Reference Transforming device；
Step 2, the precision measure of type face, root are carried out to large-scale net-shape antenna reflector using industrial digital Digital Photogrammetric System
Need according to industrial digital Digital Photogrammetric System, paste photogrammetric respectively on each node of net-shape antenna reflector major network face
Index point, and ground is evenly arranged the reflective Code points of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area, by 2
Root invar watt station meter is positioned over immediately below net-shape antenna reflector spreading area on ground, is mutually perpendicular in end；
Step 3, photo bat is carried out to large-scale net-shape antenna reflector in different photogrammetric positions using photogrammetric camera
Take the photograph；Photogrammetric position is circumferentially distributed along net-shape antenna reflector, while be distributed in net-shape antenna reflector center region just going up
Side；
Step 4, the quasi- bi-level digital image to obtaining large-scale net-shape antenna reflector carry out Computer Image Processing, obtain net
X under measurement coordinate system, Y, the Z coordinate value of photogrammetric index point on each node in shape antenna reflector major network face, forms net
The curved surface that photogrammetric index point is constituted on each node in shape antenna reflector major network face；The measurement coordinate system is industrial digital
Change Digital Photogrammetric System default coordinate system, first image center with photogrammetric camera imaging as coordinate origin, the
One image place plane is XOY faces, and Z axis are vertical with XOY faces；
Step 5, common point conversion is carried out by the photogrammetric index point on Reference Transforming device：Large-scale net-shape antenna is anti-
The X of photogrammetric index point, Y, Z coordinate value are transformed into antenna theory coordinate system from measurement coordinate system on each node in emitter major network face
Under；It is inclined with Theoretical Design value to the point coordinates measured value of each node in net-shape antenna reflector major network face in theoretical coordinate system
Difference seeks root-mean-square error, obtains the type face precision of net-shape antenna reflector；The coordinate origin O ' of the theoretical coordinate system is net
Shape antenna reflector benchmark flange is taken up an official post one datum mark of meaning, coordinate system X ' O ' Y ' faces and net-shape antenna reflector benchmark flange face
Parallel, Z ' axles are perpendicular to X ' O ' Y ' faces.
2. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 1, it is characterised in that：
The Reference Transforming device includes carbon fibre member bar, supports metal flange, is integrated, and each carbon fibre member bar root is equal
It is fixed on support metal flange, in 5 carbon fiber bars are generally aligned in the same plane, wherein, two carbon fiber bars are in same straight line
On, another carbon fiber bar vertically forms two right angle angles with above-mentioned two carbon fiber bars, in addition two carbon fiber bar difference
Be in respectively 45 ° of angles in two right angle angles and with two carbon fiber bars for forming right angle angle, the 6th carbon fiber bar with
5 carbon fiber bars in being generally aligned in the same plane are vertical；Support metal flange and net-shape antenna reflector benchmark flange size, hole
Position is consistent, and in each carbon fibre member bar distal end the base that photogrammetric index point represents the amplification of net-shape antenna reflector is pasted respectively
It is accurate.
3. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 1 and 2, its feature exists
In：Photogrammetric position has 35 in the step 3, wherein, 30 photogrammetric positions are along net-shape antenna reflector edge week
To being uniformly distributed one week；Another 5 photogrammetric positions are located at directly over net-shape antenna reflector center region with major network face center
It is uniformly distributed circumferentially centered on point, with the distance in major network face in the range of 3 ± 0.25m.
4. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 3, it is characterised in that：
In the distance on each photogrammetric position and ground in the range of 7 ± 0.5m, each photographs photogrammetric camera in the step 3
It is 6～7 that measurement position shoots number of pictures, and it is 200～250 to shoot photo sum, and camera shoots two adjacent photo intersections
Angle is maintained in the range of 60 °～120 °.
5. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 2, it is characterised in that：
The length of the carbon fibre member bar is 500mm.
6. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 1, it is characterised in that：
The length of the invar watt station meter is 5m.
7. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 1, it is characterised in that：
A diameter of Φ 6mm of photogrammetric index point on each node in the net-shape antenna reflector major network face.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883855A (en) * | 2017-10-20 | 2018-04-06 | 西安空间无线电技术研究所 | It is a kind of based on photogrammetric high and low temperature environment Light deformation method of testing |
| CN108195287A (en) * | 2017-12-28 | 2018-06-22 | 北京信息科技大学 | A kind of measuring system suitable for trough type solar heat-collector stent |
| CN109002061A (en) * | 2018-06-20 | 2018-12-14 | 上海卫星工程研究所 | A kind of active face adjusting method and device for microwave antenna |
| CN109883345A (en) * | 2019-03-07 | 2019-06-14 | 北京卫星环境工程研究所 | The space net form strength determining method of parabola antenna vacuum and low temperature deformation measurement |
| CN113513977A (en) * | 2021-05-21 | 2021-10-19 | 西安空间无线电技术研究所 | High-precision antenna reflector pose shape measuring method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006021063B3 (en) * | 2006-05-03 | 2007-09-06 | Aicon 3D Systems Gmbh | Marking body for three-dimensional photogrammetry measurement of test object, has dice surfaces providing marking using four marking units, where positions of marking units are known to each other |
| CN201522273U (en) * | 2009-11-03 | 2010-07-07 | 郑州辰维科技有限公司 | 13.7m millimeter-wave radio telescope antenna profile detecting equipment |
| CN103037389A (en) * | 2012-11-22 | 2013-04-10 | 西安电子科技大学 | Cable net reflective surface antenna molded surface shaping method based on sensitivity information |
| CN105424058A (en) * | 2015-11-06 | 2016-03-23 | 中国人民解放军信息工程大学 | Digital camera projection center position precision calibration method based on photogrammetric technology |
| CN105651235A (en) * | 2014-12-30 | 2016-06-08 | 航天恒星科技有限公司 | Measurement method of radome inner outline type surface and apparatus thereof |
-
2016
- 2016-11-21 CN CN201611039567.5A patent/CN106643582B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102006021063B3 (en) * | 2006-05-03 | 2007-09-06 | Aicon 3D Systems Gmbh | Marking body for three-dimensional photogrammetry measurement of test object, has dice surfaces providing marking using four marking units, where positions of marking units are known to each other |
| CN201522273U (en) * | 2009-11-03 | 2010-07-07 | 郑州辰维科技有限公司 | 13.7m millimeter-wave radio telescope antenna profile detecting equipment |
| CN103037389A (en) * | 2012-11-22 | 2013-04-10 | 西安电子科技大学 | Cable net reflective surface antenna molded surface shaping method based on sensitivity information |
| CN105651235A (en) * | 2014-12-30 | 2016-06-08 | 航天恒星科技有限公司 | Measurement method of radome inner outline type surface and apparatus thereof |
| CN105424058A (en) * | 2015-11-06 | 2016-03-23 | 中国人民解放军信息工程大学 | Digital camera projection center position precision calibration method based on photogrammetric technology |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883855A (en) * | 2017-10-20 | 2018-04-06 | 西安空间无线电技术研究所 | It is a kind of based on photogrammetric high and low temperature environment Light deformation method of testing |
| CN108195287A (en) * | 2017-12-28 | 2018-06-22 | 北京信息科技大学 | A kind of measuring system suitable for trough type solar heat-collector stent |
| CN109002061A (en) * | 2018-06-20 | 2018-12-14 | 上海卫星工程研究所 | A kind of active face adjusting method and device for microwave antenna |
| CN109883345A (en) * | 2019-03-07 | 2019-06-14 | 北京卫星环境工程研究所 | The space net form strength determining method of parabola antenna vacuum and low temperature deformation measurement |
| CN113513977A (en) * | 2021-05-21 | 2021-10-19 | 西安空间无线电技术研究所 | High-precision antenna reflector pose shape measuring method |
| CN113513977B (en) * | 2021-05-21 | 2023-02-03 | 西安空间无线电技术研究所 | High-precision antenna reflector pose shape measuring method |
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