CN106643582B - A kind of large size net-shape antenna reflector type face high precision measurement method - Google Patents
A kind of large size net-shape antenna reflector type face high precision measurement method Download PDFInfo
- Publication number
- CN106643582B CN106643582B CN201611039567.5A CN201611039567A CN106643582B CN 106643582 B CN106643582 B CN 106643582B CN 201611039567 A CN201611039567 A CN 201611039567A CN 106643582 B CN106643582 B CN 106643582B
- Authority
- CN
- China
- Prior art keywords
- net
- antenna reflector
- shape antenna
- photogrammetric
- face
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- 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
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Aerials With Secondary Devices (AREA)
Abstract
A kind of large size net-shape antenna reflector type face high precision measurement method, using high-precision industrial digital photogrammetric technology, record the image of space Same Scene respectively from different position and direction using single camera, by image procossing and according to known camera parameter, its three-dimensional coordinate relative to some coordinate system in space is calculated, these coordinate values and theoretical profile are fitted to obtain the type face precision of antenna.In order to improve the profile measurement precision of heavy caliber, small benchmark, high precision large-sized flexible netted antenna reflector, pass through a set of Reference Transforming device and the long station meter of high-precision of design, using Digital Photogrammetric System optimal procedure parameters, high precision measurement is carried out to large-scale flexible net-shape antenna reflector type face.
Description
Technical field
The present invention relates to a kind of large-scale net-shape antenna reflector type face method for testing precision, belong to aerial mechanical measuring technique
Field.
Background technique
Antenna-reflected type face precision is to measure, evaluate the important indicator of antenna quality, antenna-reflected type face precision
Height will directly affect the electrical performance indexes of antenna.High-precision industrial digital photogrammetric technology, the technology are mostly used at present
Based on binocular stereo vision three-dimensional reconstruction principle, space Same Scene is recorded respectively from different position 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,
Its three-dimensional coordinate relative to some coordinate system in space is calculated.It is sat obtaining the three-dimensional of antenna reflector surface measurement point
After mark, these coordinate values and theoretical profile are fitted to obtain the type face precision of antenna reflector.
For using high-precision industrial digital photogrammetric technology to test not antenna-reflected type face precision
It is common, traditional photography measurement method is generallyd use in the prior art, and heavy caliber, small benchmark, high precision large-sized net-shape antenna are reflected
Device carry out type face accuracy test, but biggish type face accuracy test error is brought, it has been unable to satisfy high precision large-sized net-shape antenna
Requirement of the reflector to type face precision.So being directed to heavy caliber, small benchmark, high precision large-sized net-shape antenna reflector, need to change
Into, optimization traditional photography measurement method, complete high-precision antenna reflector the precision measure of type face.
Summary of the invention
Technical problem solved by the present invention is overcome the deficiencies in the prior art, big for heavy caliber, small benchmark, high-precision
Type net-shape antenna reflector extends tooling using benchmark and amplifies to small benchmark, reduces the small big error of Reference Transforming bring,
Digital Photogrammetric System is improved by the long station meter design of high-precision and layout, and using photogrammetric technological parameter after optimization
Measuring accuracy, and then improve the type face measuring accuracy of large-scale net-shape antenna reflector.
The technical solution of the invention is as follows: a kind of large size net-shape antenna reflector type face high precision measurement method, including
Following steps:
Step 1: benchmark magnification-changer is mounted on large-scale net-shape antenna reflector benchmark flange, so that netted
On Reference Transforming to the photogrammetric index point in carbon fibre member bar distal end of Reference Transforming device on antenna reflector benchmark flange；
Step 2: being surveyed using industrial digital Digital Photogrammetric System to large-scale net-shape antenna reflector carry out type face precision
Amount is pasted respectively on each node in net-shape antenna reflector major network face and is taken the photograph according to industrial digital Digital Photogrammetric System needs
Shadow measures index point, and ground is evenly arranged the reflective Code of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area
2 invar watt station meters are placed in immediately below net-shape antenna reflector spreading area on ground, are mutually perpendicular in end by point；
Step 3: being shone in different photogrammetric positions large-scale net-shape antenna reflector using photogrammetric camera
Piece shooting；Photogrammetric position is circumferentially distributed along net-shape antenna reflector, while being distributed in net-shape antenna reflector center region
Surface；
Step 4: carrying out Computer Image Processing to the quasi- bi-level digital image for obtaining large-scale net-shape antenna reflector, obtain
X, Y in the case where measuring coordinate system, the Z coordinate value of photogrammetric index point, shape on to each node in net-shape antenna reflector major network face
Reticulate curved surface composed by photogrammetric index point on each node in antenna reflector major network face；The measurement coordinate system is industry
Digital photogrammetry system default coordinate system, using first image center of photogrammetric camera imaging as coordinate system original
Point, plane is the face XOY where first image, and Z axis is vertical with the face XOY；
Step 5: carrying out common point conversion by the photogrammetric index point on Reference Transforming device: by large-scale netted day
X, Y of photogrammetric index point, Z coordinate value are transformed into antenna theory from measurement coordinate system and sit on each node in line reflection device major network face
Under mark system；In theoretical coordinate system, to the point coordinate measured value and Theoretical Design value of 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, the face O ' Y ' coordinate system X ' and net-shape antenna reflector basic taper method
Blue face is parallel, and Z ' axis is perpendicular to the face X ' O ' Y '.
The Reference Transforming device includes carbon fibre member bar, support metal flange, is integrated, each carbon fiber bar
Part root is each attached on support metal flange, and 5 carbon fiber bars are in the same plane, wherein two carbon fiber bars are same
On straight line, another carbon fiber bar and above-mentioned two carbon fiber bars vertically form two right angle angles, in addition two carbon fibers
Dimension bar is located in two right angle angles and is respectively in 45 ° of angles, the 6th carbon with two carbon fiber bars for forming right angle angle
Fiber rod and 5 carbon fiber bars being in the same plane are vertical；Support metal flange and net-shape antenna reflector basic taper method
Blue size, hole location 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 right above net-shape antenna reflector center region with major network
It is uniformly distributed circumferentially centered on the central point of face, at a distance from major network face within the scope of 3 ± 0.25m.
In the step 3 photogrammetric camera each photogrammetric position at a distance from ground within the scope of 7 ± 0.5m,
Each photogrammetric position shooting number of pictures is 6~7, and shooting photo sum is 200~250, and camera shooting two is adjacent
Photo intersection angle is maintained within the scope of 60 °~120 °.
The length of the carbon fibre member bar is 500mm.
The length of the invar watt station meter is 5m.
The diameter of photogrammetric index point is Φ 6mm on each node in the net-shape antenna reflector major network face.
The advantages of the present invention over the prior art are that:
(1) test method of the invention is applied to heavy caliber, small benchmark, high precision large-sized net-shape antenna reflector, with biography
Image measuring method is had under one's command directly to antenna reflector carry out type face accuracy test, and antenna reflector benchmark is small, type face test benchmark
Transformed error is big, causes antenna-reflected type face accuracy test error is larger to compare, and the present invention is small for antenna reflector benchmark
Cause the problem that measurement error is big, by improving photogrammetric scheme, using benchmark extend tooling to antenna reflector benchmark into
Row amplification, can effectively improve the precision of large-scale net-shape antenna reflector type planar survey.
(2) test method of the invention is tested in heavy caliber, small benchmark, high precision large-sized net-shape antenna reflector type face
In, 1m length standard ruler is carried using Digital Photogrammetric System, antenna-reflected type face is tested, the test of type face is photogrammetric
Systematic error is larger, by designing 2 dedicated 5m long invar steel high precision reference rulers, and carries out two-dimensional direction preferred arrangement, can
Significantly improve antenna reflector profile measurement precision.
(3) the Digital Photogrammetric System technological parameter that test method of the invention is defaulted using solid surface antenna type face accuracy test
Large-scale net-shape antenna reflector type face precision to be tested, type face test error is bigger than normal, for large-scale net-shape antenna reflector,
By optimizing to Digital Photogrammetric System technological parameter, the type face test essence of large-scale net-shape antenna reflector can be significantly improved
Degree.
Detailed description of the invention
Fig. 1 is the Reference Transforming schematic device that the present invention is amplified for small benchmark；
Fig. 2 is Reference Transforming device scheme of installation of the invention；
Fig. 3 is that Reference Transforming device of the invention installs aft antenna theoretical coordinate system schematic diagram；
Fig. 4 (takes the photograph station quantity optimization and takes the photograph station location optimization) signal for technological parameter photogrammetric after optimization of the invention
Figure.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
A kind of large size net-shape antenna reflector type face high precision measurement method, includes the following steps:
Step 1: as shown in Figure 1 and Figure 2, benchmark magnification-changer is installed on large-scale net-shape antenna reflector basic taper method
Lan Shang, Reference Transforming device are 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 hole, to guarantee
Its installation accuracy, installation condition of the Reference Transforming device on net-shape antenna reflector are as shown in Figure 2.Reference Transforming device is by 6
The carbon fibre member bar of root 500mm long and its root support metal flange are 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 location, and two flanges are attached by screw, Reference Transforming
I.e. by the small Reference Transforming on net-shape antenna reflector benchmark flange to Reference Transforming device six roots of sensation carbon fiber bar after device installation
On the photogrammetric index point in part distal end, that is, complete the small benchmark enhanced processing of large-scale net-shape antenna reflector.
Step 2: being surveyed using industrial digital Digital Photogrammetric System to large-scale net-shape antenna reflector carry out type face precision
Amount is needed to pasting photogrammetric index point on measured object, under measured object according to industrial digital Digital Photogrammetric System needs
The reflective Code point of photography and Digital Photogrammetric System length standard scale are put in square ground, carry out to large-scale net-shape antenna reflector
Before the accuracy test of type face, the photogrammetric index point of Φ 6mm is 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 point of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area, simultaneously
2 5m long invar watt high precision reference rulers are placed in ground immediately below net-shape antenna reflector spreading area, 2 5m length are high
Precision reference ruler carries out two-dimensional directional level and puts.
Step 3: as shown in figure 4, being reflected using 35 photogrammetric positions of photogrammetric camera point large-scale net-shape antenna
Device carry out type face accuracy test is enclosed along net-shape antenna reflector circumferential one, and point 30 photogrammetric location points are to net-shape antenna
Reflector carry out type face shooting, 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 right above net-shape antenna reflector center region
Emitter type face carries out encryption shooting, and 5 photogrammetric positions are located at right above 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, net-shape antenna reflector type face above 5 location point camera distance net-shape antenna reflector major network faces from equal
Each photogrammetric position shooting number of pictures is 6~7 when precision measure, and it is 200~250 that type face, which shoots photo sum,
Camera, which shoots two adjacent photo intersection angles, should be maintained at 60 °~120 °, finally join according to the photogrammetric technique after the above optimization
The high-precision that number carries out large-scale net-shape antenna reflector type face is photogrammetric.
Step 4: according to step 1 to step 3 to after the completion of the accuracy test of large-scale net-shape antenna reflector type face to get
To the quasi- bi-level digital image of large-scale net-shape antenna reflector, the available net-shape antenna reflector 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
Curved surface composed by upper 211 photogrammetric index points represents large-scale net-shape antenna reflector type face, is filled by Reference Transforming
It sets 6 photogrammetric index points and carries out " common point conversion ", will photograph on the node of 211, face of net-shape antenna reflector major network first
Measurement index 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 coordinate, obtain the node actual measurement of 211, antenna major network face
The deviation of value and Theoretical Design value, by asking root-mean-square error (RMS) to 211, antenna major network face node single-point deviation, finally
Obtain the type face precision (RMS) of large-scale net-shape antenna reflector；Coordinate system is measured as industrial digital Digital Photogrammetric System default
Coordinate system, usually using first image center of Digital Photogrammetric System camera imaging as coordinate origin, plane where image
For the face XOY, coordinate system Z axis is measured perpendicular to the plane of delineation；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, the face coordinate system X ' O ' Y '
Parallel with reflector benchmark flange surface, Z ' axis is perpendicular to the face X ' O ' Y '.
Embodiment
Below with the typical heavy caliber of 15.6m large size net-shape antenna reflector, small benchmark, high-precision net-shape antenna reflector
For, the present invention will be described.
Step 1: 15.6m large size net-shape antenna reflector is that typical heavy caliber, small benchmark, high-precision net-shape antenna are anti-
Emitter, the net-shape antenna reflector have a very concise small reference characteristic, antenna reflector design basis flange face be only 180mm ×
For the antenna expansion bore of 180mm, opposite 15.6m, benchmark is less than normal, is reflected using such small benchmark 15.6m net-shape antenna
Device carry out type face accuracy test, Reference Transforming error is larger, to reduce Reference Transforming error, in 15.6m net-shape antenna reflector
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 (be equivalent to the small benchmark of 15.6m net-shape antenna reflector expanding nearly 7 times), on Reference Transforming device
End uses carbon fibre member bar, is equipped with photogrammetric index point, and lower end is the support metal method with antenna switching arm flanged joint
Orchid, support metal flange are located by connecting with antenna switching arm flange by pin hole, and large-scale net-shape antenna reflector benchmark essence can be made
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 calibration conversion of a photogrammetric index point is carried out using industrial digital Digital Photogrammetric System, high-precision photography tooling (work
The auxiliary member of industry digital photogrammetry system) it is placed in 4 datum holes on antenna switching arm flange, pass through industrial digital
Change Digital Photogrammetric System test, 6 obtained on antenna switching arm flange on 4 datum holes and Reference Transforming device are photogrammetric
Then the center position coordinates of each point of index point carry out " public according to the theoretical value of 4 datum holes on antenna switching arm flange
Concurrent conversion " obtains the center of each point of 6 photogrammetric index points of Reference Transforming device under theoretical coordinate system
Coordinate value.
Step 2: the design feature based on 15.6m large size net-shape antenna reflector, net-shape antenna reflector wire side is lower,
It is unsuitable for 5m station meter to be put in vertical direction, admittedly using 2 5m long station meters in net-shape antenna reflector spreading area
Underface is laid out by two-dimensional level direction.
Step 3: using photogrammetric camera point 35 photogrammetric positions to 15.6m large size net-shape antenna reflector into
Row type face accuracy test is enclosed along net-shape antenna reflector circumferential one, and point 30 photogrammetric location points reflect net-shape antenna
Device carry out type face shooting, 7 ± 0.5m of camera distance ground, point 5 photographies are surveyed right above net-shape antenna reflector center region
Amount location point carries out encryption 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 when net-shape antenna reflector type face precision measure, each photogrammetric position shooting number of pictures was 6~7
, it is 200~250 that type face, which shoots photo sum, so that camera is shot two adjacent photo intersection angles and is maintained at 60 °~120 °, leads to
It crosses and is surveyed using the high-precision photography that the photogrammetric technological parameter after optimization carries out 15.6m large size net-shape antenna reflector type face
Amount.
Step 4: by verification experimental verification, using by design a set of Reference Transforming device, pass through the long station meter of high-precision
Optimization layout, and Digital Photogrammetric System optimal procedure parameters are set, 15.6m large size net-shape antenna reflector type face is carried out high-precision
Degree test, final 15.6m large size net-shape antenna reflector type face precision measure error can reach 0.0253mm.
For 15.6m large size net-shape antenna reflector, is amplified by benchmark to reflector carry out type face accuracy test, can be made
Reflector type face tests maximum single-point error and is increased to 0.7mm by 1.63mm；To 15.6m large size net-shape antenna reflector, pass through
The design of station meter improves and optimization layout, and antenna reflector Digital Photogrammetric System error can be made to be increased to by 0.157mm
0.101mm；It to 15.6m net-shape antenna reflector, is improved by Digital Photogrammetric System technological parameter, antenna-reflected type face can be made
Accuracy test systematic error reaches 0.0203mm.
The content that description in the present invention is not described in detail belongs to the well-known technique of those skilled in the art.
Claims (7)
1. a kind of large size net-shape antenna reflector type face high precision measurement method, which comprises the steps of:
Step 1: Reference Transforming device is mounted on large-scale net-shape antenna reflector benchmark flange, so that net-shape antenna reflects
On Reference Transforming to the photogrammetric index point in carbon fibre member bar distal end of Reference Transforming device on device benchmark flange；
Step 2: using industrial digital Digital Photogrammetric System to large-scale net-shape antenna reflector carry out type face precision measure, root
It needs, is pasted respectively on each node in net-shape antenna reflector major network face photogrammetric according to industrial digital Digital Photogrammetric System
Index point, and ground is evenly arranged the reflective Code point of Digital Photogrammetric System immediately below net-shape antenna reflector spreading area, by 2
Root invar watt station meter is placed in immediately below net-shape antenna reflector spreading area on ground, is mutually perpendicular in end；
Step 3: carrying out photo bat to large-scale net-shape antenna reflector in different photogrammetric positions using photogrammetric camera
It takes the photograph；Photogrammetric position is circumferentially distributed along net-shape antenna reflector, at the same be distributed in net-shape antenna reflector center region just on
Side；
Step 4: carrying out Computer Image Processing to the quasi- bi-level digital image for obtaining large-scale net-shape antenna reflector, net is obtained
X, Y in the case where measuring coordinate system, the Z coordinate value of photogrammetric index point on each node in shape antenna reflector major network face form net
Curved surface composed by photogrammetric index point on each node in shape antenna reflector major network face；The measurement coordinate system is industrial digital
Change Digital Photogrammetric System default coordinate system, using first image center of photogrammetric camera imaging as coordinate origin, the
Plane is the face XOY where one image, and Z axis is vertical with the face XOY；
Step 5: carrying out common point conversion by the photogrammetric index point on Reference Transforming device: large-scale net-shape antenna is anti-
X, Y of photogrammetric index point, Z coordinate value are transformed into antenna theory coordinate system from measurement coordinate system on each node in emitter major network face
Under；In theoretical coordinate system, to the inclined of point coordinate measured value and the Theoretical Design value of each node in net-shape antenna reflector major network face
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, the face O ' Y ' coordinate system X ' and net-shape antenna reflector benchmark flange face
In parallel, Z ' axis is perpendicular to the face X ' O ' Y '.
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, support metal flange, is integrated, each carbon fibre member bar root is equal
It is fixed on support metal flange, 5 carbon fiber bars are in the same plane, wherein two carbon fiber bars are in same straight line
On, another carbon fiber bar and above-mentioned two carbon fiber bars vertically form two right angle angles, in addition two carbon fiber bar difference
Respectively be in 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 being in the same plane are vertical；Support metal flange and net-shape antenna reflector benchmark flange size, hole
Position is consistent, pastes the base that photogrammetric index point represents the amplification of net-shape antenna reflector respectively in each carbon fibre member bar distal end
It is quasi-.
3. a kind of large-scale net-shape antenna reflector type face high precision measurement method according to claim 1 or 2, feature exist
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 right above net-shape antenna reflector center region with major network face center
It is uniformly distributed circumferentially centered on point, at a distance from major network face within the scope 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 step 3 photogrammetric camera each photogrammetric position at a distance from ground within the scope of 7 ± 0.5m, each photography
It is 6~7 that measurement position, which shoots number of pictures, and shooting photo sum is 200~250, the adjacent photo intersection of camera shooting two
Angle is maintained within the scope 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:
The diameter of photogrammetric index point is Φ 6mm on each node in the net-shape antenna reflector major network face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039567.5A CN106643582B (en) | 2016-11-21 | 2016-11-21 | A kind of large size net-shape antenna reflector type face high precision measurement method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611039567.5A CN106643582B (en) | 2016-11-21 | 2016-11-21 | A kind of large size net-shape antenna reflector type face high precision measurement method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106643582A CN106643582A (en) | 2017-05-10 |
| CN106643582B true CN106643582B (en) | 2019-02-15 |
Family
ID=58812581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611039567.5A Active CN106643582B (en) | 2016-11-21 | 2016-11-21 | A kind of large size net-shape antenna reflector type face high precision measurement method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106643582B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883855B (en) * | 2017-10-20 | 2020-03-24 | 西安空间无线电技术研究所 | High-low temperature environment micro-deformation testing method based on photogrammetry |
| CN108195287B (en) * | 2017-12-28 | 2019-10-01 | 北京信息科技大学 | A kind of measuring system suitable for trough type solar heat-collector bracket |
| 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 |
| CN109883345B (en) * | 2019-03-07 | 2020-08-18 | 北京卫星环境工程研究所 | Method for determining space net shape strength of parabolic antenna in vacuum low-temperature deformation measurement |
| 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 |
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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106643582A (en) | 2017-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106643582B (en) | A kind of large size net-shape antenna reflector type face high precision measurement method | |
| CN103644860B (en) | Large space free curved face measurement method | |
| CN104792274B (en) | A kind of measuring method of circular tunnel convergent deformation | |
| CN108759669B (en) | Indoor self-positioning three-dimensional scanning method and system | |
| Valença et al. | Applications of photogrammetry to structural assessment | |
| CN110415300B (en) | Three-target-plane-construction-based dynamic displacement measurement method for stereoscopic vision structure | |
| CN108489401A (en) | Split type calibration target, calibrating installation and its calibration method with the target | |
| CN112282847B (en) | Deformation monitoring method for underground coal mine roadway | |
| CN102322813B (en) | Three-dimensional grid strain measurement method | |
| CN106844960B (en) | A kind of method of the reverse modeling of tubular weldment steel structure net rack | |
| CN110398208A (en) | Big data deformation monitoring method based on photographic measuring apparatus system | |
| CN101694370A (en) | Method for evaluating precision of large-scale industrial photogrammetry system and benchmark device | |
| CN109827526A (en) | One kind being based on photogrammetric planar smoothness detection method and its flow chart of data processing | |
| CN107883855B (en) | High-low temperature environment micro-deformation testing method based on photogrammetry | |
| CN110045339A (en) | The calibration measuring method of sphere phase array antenna | |
| CN107560543B (en) | Binocular stereoscopic vision-based camera optical axis offset correction device and method | |
| CN107957251A (en) | Reflecting sphere generalization detection method based on computer-assisted correction | |
| CN109506562A (en) | A kind of Binocular vision photogrammetry device for the detection of solar wing spreading lock depth | |
| CN113865570A (en) | Steel structure circular stand column verticality measuring method | |
| CN108548506A (en) | A method of the measurement of planeness being carried out to high precision plane using optical markers | |
| CN111784626A (en) | Method for extracting central axis elevation of circular shield tunnel based on point cloud data | |
| CN108286960B (en) | Focusing type light tube array device and photographic detection method | |
| CN109737885A (en) | A kind of deformation quantity measuring method of composite material parts | |
| CN109458955A (en) | Off-axis round bar line projection measurement phase zero points method for solving based on flatness constraint | |
| CN204301746U (en) | A kind of three-dimensional calibration device based on orienting reflex ball |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |