CN108982062A - The visual field alignment methods of linear array image optics load in a kind of satellite Stray Light Test - Google Patents
The visual field alignment methods of linear array image optics load in a kind of satellite Stray Light Test Download PDFInfo
- Publication number
- CN108982062A CN108982062A CN201810615375.7A CN201810615375A CN108982062A CN 108982062 A CN108982062 A CN 108982062A CN 201810615375 A CN201810615375 A CN 201810615375A CN 108982062 A CN108982062 A CN 108982062A
- Authority
- CN
- China
- Prior art keywords
- load
- satellite
- visual field
- delustring
- laser
- 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.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
-
- 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
- G01S19/02—Details of the space or ground control segments
-
- 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
- G01S19/20—Integrity monitoring, fault detection or fault isolation of space segment
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Computer Security & Cryptography (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
Abstract
The present invention provides the visual field alignment methods of linear array image optics load in satellite Stray Light Test, comprising: determines satellite in the placement position and direction of test site；Turntable is put in place and is leveled；Satellite is installed on turntable；Estimate load field range, setting imaging tooling G1, G2；In imaging tooling G1, G2, by laser leveler and laser illumination laser vertical line and laser point, load visual field horizontal plane is determined；Turntable flange face height is adjusted, is overlapped load visual field face with delustring equipment notch central plane, completes the alignment work of load visual field.The present invention provides when satellite Stray Light Test, a kind of alignment methods of linear array imaging optics load visual field and delustring equipment notch, when solving whole star Stray Light Test, because delustring equipment notch is narrow, the problem of load visual field alignment difficulties, the risk for reducing whole star operation in test, has actual directive significance to preparation before satellite Stray Light Test.
Description
Technical field
The present invention relates to satellite Stray Light Test technical field, in particular to linear array imaging in a kind of satellite Stray Light Test
The visual field alignment methods of optics load.
Background technique
Satellite Stray Light Test is in the case where simulating in-orbit illumination condition, by optics load to target imaging dark in visual field
Situation analyzes optics load stray light inhibitory effect.With the current spuious flash ranging for optical system for developing comparative maturity
Trial work section is compared, and the Stray Light Test under the conditions of whole star is really illuminated by the light situation, while the spuious flash ranging of whole star closer to in-orbit
Examination, which can also be achieved, verifies the stray light braking measure of celestial body.But the Stray Light Test of whole star, due to tested equipment,
It tests environment and tests the limitation of risk, at present also in the stage of fumbling.
In satellite Stray Light Test, dark target of the delustring equipment as optics load test need to be always ensured that load visual field
It is aligned inside delustring equipment notch, it is ensured that test is effective.But delustring equipment is usually to guarantee that its extinction effect, delustring channel opening are set
Meter is as narrow as possible, and which adds the difficulty of load visual field alignment.And whole star test, misoperation may cause relatively strong winds
Danger.Therefore, it is necessary to propose a kind of rationally effective load visual field alignment methods, shorten Stray Light Test Satellite operation week
Phase reduces operational risk.
Currently without the explanation or report for finding technology similar to the present invention, it is also not yet collected into money similar both at home and abroad
Material.
Summary of the invention
For the defects in the prior art, in order to reduce the operational risk of satellite Stray Light Test, optics in test is solved
The problem of load visual field and delustring equipment notch alignment difficulties, the object of the present invention is to provide a kind of satellite Stray Light Test middle lines
The visual field alignment methods of battle array image optics load, when solving whole star Stray Light Test, because delustring equipment notch is narrow, load view
The problem of field alignment difficulties, reduces the risk of whole star operation in test, has weight to preparation before satellite Stray Light Test
The directive significance wanted.
To achieve the above object, the present invention is achieved by the following technical solutions.
The visual field alignment methods of linear array image optics load, include the following steps: in a kind of satellite Stray Light Test
Step 1, determine satellite in the placement position and direction of test site；
Step 2, turntable is put in place in test site, and turntable flange face is leveled；
Step 3, satellite is installed according to the direction determined in step 1 to turntable flange face；
Step 4, tested load field range is estimated, setting imaging tooling G1, G2 in field range；
Step 5, delustring equipment notch position of center line is marked in imaging tooling G1, G2；
Step 6, optics load be switched on, using laser leveler imaging tooling G1, G2 on irradiate respectively laser vertical line L1,
L2 slowly adjusts the irradiation position of laser vertical line L1, L2 in the horizontal direction, until swashing in load remote sensing images grey scale curve
The imaging spike of light vertical line L1, L2；
Step 7, laser point P1, P2 is irradiated respectively on laser vertical line L1, L2 using laser, close laser leveler；
Step 8, the position of vertically slow mobile illuminated laser spot P1, P2, until load remote sensing images ash is write music
There is the imaging spike to illuminated laser spot P1, P2 in line；
Step 9, the position for finely tuning illuminated laser spot P1, P2 up and down makes corresponding ash at load imaging curve spike
Angle value is maximum, determines optics load visual field face position by P1, P2；
Step 10, the position for vertically gradually adjusting illuminated laser spot P1, P2, makes P1, P2 finally all in delustring
On equipment notch center line；
Step 11, equidirectional slow adjustment turntable flange face height so that camera restore to illuminated laser spot P1, P2 at
Picture, while gray value reaches maximum, completes the alignment work of optics load visual field and delustring equipment notch center.
Preferably, the delustring equipment notch central plane in the step 1 is parallel to the horizontal plane, the covering of delustring equipment notch
By photometry load field range, and there is certain surplus.
Preferably, after the step 2 intermediate station flange face leveling, flange face is all substantially at water after rotating to any angle
Level state, when guaranteeing that test process Satellite needs to rotate horizontally, load visual field is directed at delustring notch center always.
Preferably, after the step 2 intermediate station flange face leveling, flange face angle with horizontal plane requires to pass through less than 1 '
The angle of the normal and horizontal plane that are pasted on two faces of flange face bottom prism using transit survey determines the level of flange face
Degree.
Preferably, after step 3 Satellite is installed on turntable, optics load observation linear array, which is parallel to the horizontal plane, (to be ignored
Load adjustment, installation error).
Preferably, tooling G1, G2 surface is imaged in the step 4 should use delustring measure, place close to delustring equipment, and
And it is placed in the arranged on left and right sides of load level visual field as far as possible, highly near the load visual field face height estimated.
Compared with prior art, the invention has the following beneficial effects:
(1) in satellite Stray Light Test provided by the invention linear array image optics load visual field alignment methods, fill up
Blank in the prior art；
(2) load visual field alignment difficulties are solved the problems, such as, the risk of whole star operation in Stray Light Test is reduced；
(3) there is effective directive significance to preparation before satellite Stray Light Test.
Detailed description of the invention
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon:
Fig. 1 is that linear array image optics load visual field is directed at flow chart in satellite Stray Light Test.
Fig. 2 is linear array image optics load visual field alignment principles figure in satellite Stray Light Test.
In figure: 1 is delustring equipment；2 be satellite；3 be turntable；4 be optical level load field range；5 be imaging tooling
G1；6 be imaging tooling G2；7 be laser leveler 1；8 be laser leveler 2；9 be laser 1；10 be laser 2；11 be sharp
Illumination exit point P1；12 be illuminated laser spot P2；13 be optics load remote sensing images monitoring terminal；14 is dark for satellite Stray Light Test
Room
Specific embodiment
The present invention is described in detail combined with specific embodiments below.Following embodiment will be helpful to the technology of this field
Personnel further understand the present invention, but the invention is not limited in any way.It should be pointed out that the ordinary skill of this field
For personnel, without departing from the inventive concept of the premise, several changes and improvements can also be made.These belong to the present invention
Protection scope.
The present invention provides a kind of visual field alignment methods of linear array image optics load in satellite Stray Light Test, including such as
Lower step:
(1) determine satellite in the placement position and direction of test site；
(2) turntable is put in place in test site, and turntable flange face is leveled；
(3) satellite is installed according to the direction determined in step 1 to turntable flange face；
(4) tested load field range is estimated, setting imaging tooling G1, G2 in field range；
(5) delustring equipment notch position of center line is marked in imaging tooling G1, G2；
(6) optics load is switched on, and irradiates laser vertical line L1, L2 respectively in imaging tooling G1, G2 using laser leveler,
The irradiation position of laser vertical line L1, L2 are slowly adjusted in the horizontal direction, until there is laser in load remote sensing images grey scale curve
The imaging spike of vertical line L1, L2；
(7) laser point P1, P2 is irradiated respectively on laser vertical line L1, L2 using laser, close laser leveler；
(8) position of vertically slow mobile illuminated laser spot P1, P2, until load remote sensing images grey scale curve goes out
Now to the imaging spike of illuminated laser spot P1, P2；
(9) position for finely tuning illuminated laser spot P1, P2 up and down makes corresponding gray value at load imaging curve spike
Maximum determines optics load visual field face position by P1, P2；
(10) position for vertically gradually adjusting illuminated laser spot P1, P2, makes P1, P2 finally all in delustring equipment
On notch center line；
(11) equidirectional slow adjustment turntable flange face height, so that camera restores that illuminated laser spot P1, P2 is imaged, together
When gray value reach maximum, complete the alignment work of optics load visual field and delustring equipment notch center.
Further, the delustring equipment notch central plane in step (1) is parallel to the horizontal plane, the covering of delustring equipment notch
By photometry load field range, and there is certain surplus；
Further, after the leveling of step (2) intermediate station flange face, flange face is all substantially at water after rotating to any angle
Level state, when guaranteeing that test process Satellite needs to rotate horizontally, load visual field is directed at delustring notch center always；
Further, after the leveling of step (2) intermediate station flange face, flange face angle with horizontal plane requires to pass through less than 1 '
The angle of the normal and horizontal plane that are pasted on two faces of flange face bottom prism using transit survey determines the level of flange face
Degree；
Further, after step (3) Satellite is installed on turntable, optics load observation linear array, which is parallel to the horizontal plane, (to be ignored
Load adjustment, installation error)；
Further, imaging tooling G1, G2 surface should use delustring measure in step (4), place close to delustring equipment, and
And it is placed in the arranged on left and right sides of load level visual field as far as possible, highly near the load visual field face height estimated.
With reference to the accompanying drawing, the present embodiment is further described, the present embodiment meets the in-orbit imaging performance of optics load
It is required that and satellite Stray Light Test environmental requirement.
Referring to Fig. 1, Fig. 2:
When the spuious phototesting of satellite, test site is bigger, optics load and delustring equipment distance are remoter, is led by test equipment
The spuious influence of the light of cause is smaller.Fig. 2 be test schematic in, satellite Stray Light Test carries out in darkroom 14, satellite 2 with disappear
Distance is put according to the determination of the size in darkroom 14 between light device 1, and as far as possible, while also needing to consider the shape of turntable 3
Envelope.The placing direction of satellite 2 offsets light device 1 by optics plane of load, and optics load field range 4 is completely by delustring equipment
1 notch includes to determine.
Turntable 3 carries out flange face leveling in darkroom 14, to guarantee that Y-axis is horizontality after satellite 2 is installed.The present embodiment
It is middle to use dimensional turntable, flange face leveling is realized by adjusting 3 four support leg height of dimensional turntable and turntable pitch axis.
It is fastenedly connected between 3 flange face of satellite 2 and dimensional turntable by screw, after satellite 2 is installed, is turned by adjusting two dimension
3 level angle of platform makes optics load face delustring equipment 1.
Optics load field range is estimated, setting imaging tooling G1 5, imaging tooling G2 6 in field range.Work is imaged
Dress G1 5,6 surface G2 should take delustring measure, and be placed in load level field range 4 close to delustring equipment 1 as far as possible
Arranged on left and right sides.Imaging tooling G1 5,6 placing height of G2 are close to estimate load visual field face height, and can cover 1 slot of delustring equipment
Mouth center.
Laser is irradiated respectively on imaging tooling G1 5, imaging tooling G2 6 using laser leveler 7, laser leveler 8
Vertical line slowly adjusts the irradiation position of laser vertical line L1, L2 in the horizontal direction, while passing through optics load remote sensing monitoring terminal 13
The imaging contexts of laser vertical line in monitoring picture grey scale curve can determine the field range 4 in optics load level direction.
On laser vertical line, laser point P1 11, laser point P2 12 are irradiated respectively using laser 9, laser 10, at this time
Laser leveler 7,8 need to be closed, the position of vertically slow mobile illuminated laser spot P1 11, P2 12, eventually by monitoring
13 observation of end, determines that laser point P1 11, P2 12 is imaged in optics load.
After illuminated laser spot P1 11, P2 12 is imaged in optics load, laser point P1 11, P2 12 are finely tuned up and down
Position, when corresponding to laser point gray value in 13 image grayscale curve of remote sensing monitoring terminal and reaching maximum, laser point P1 11, P2
12 place horizontal planes are the position where optics load level visual field face.
After optics load level visual field face height determines, the height of satellite 2 need to be adjusted, the visual field face is made to fall in delustring equipment
At 1 notch center.At this point, first vertically gradually adjusting laser irradiation P1 11, P2 12 to imaging tooling G1 5, G2 6
On the 1 notch center line of delustring equipment of label, then by the flange face height of turntable 3 along equidirectional slow adjustment.Work as laser irradiation
Point P1 11, P2 12 come back in optics load visual field, and illuminated laser spot in 13 remote sensing images grey scale curve of monitoring terminal
When P1 11,12 gray value of P2 reach maximum, that is, complete the alignment work of optics load visual field Yu delustring equipment notch center.
Specific embodiments of the present invention are described above.It is to be appreciated that the invention is not limited to above-mentioned
Particular implementation, those skilled in the art can make a variety of changes or modify within the scope of the claims, this not shadow
Ring substantive content of the invention.In the absence of conflict, the feature in embodiments herein and embodiment can any phase
Mutually combination.
Claims (6)
1. the visual field alignment methods of linear array image optics load in a kind of satellite Stray Light Test, which is characterized in that including as follows
Step:
Step 1, determine satellite in the placement position and direction of test site；
Step 2, turntable is put in place in test site, and turntable flange face is leveled；
Step 3, satellite is installed according to the direction determined in step 1 to turntable flange face；
Step 4, tested load field range is estimated, setting imaging tooling G1, G2 in field range；
Step 5, delustring equipment notch position of center line is marked in imaging tooling G1, G2；
Step 6, optics load is switched on, and irradiates laser vertical line L1, L2 respectively in imaging tooling G1, G2 using laser leveler,
The irradiation position of laser vertical line L1, L2 are slowly adjusted in the horizontal direction, until there is laser in load remote sensing images grey scale curve
The imaging spike of vertical line L1, L2, that is, can determine the field range in optics load level direction；
Step 7, laser point P1, P2 is irradiated respectively on laser vertical line L1, L2 using laser, close laser leveler；
Step 8, the position of vertically slow mobile illuminated laser spot P1, P2, until load remote sensing images grey scale curve goes out
Now to the imaging spike of illuminated laser spot P1, P2, determine that laser point P1, P2 is imaged in optics load；
Step 9, the position for finely tuning illuminated laser spot P1, P2 up and down makes corresponding gray value at load imaging curve spike
Maximum, horizontal plane where laser point P1, P2 are the position where optics load level visual field face；
Step 10, the position for vertically gradually adjusting illuminated laser spot P1, P2, makes P1, P2 finally all in delustring equipment
On notch center line；
Step 11, equidirectional slow adjustment turntable flange face height, so that camera restores that illuminated laser spot P1, P2 is imaged, together
When gray value reach maximum, complete the alignment work of optics load visual field and delustring equipment notch center.
2. optics load visual field alignment methods in satellite Stray Light Test according to claim 1, which is characterized in that described
The placing direction of step 1 Satellite offsets light device by optics plane of load, and delustring equipment notch central plane is parallel to the horizontal plane,
Delustring equipment notch is covered by photometry load field range, and has certain surplus.
3. the visual field alignment methods of linear array image optics load in satellite Stray Light Test according to claim 1, special
Sign is that after the step 2 intermediate station flange face leveling, flange face is all substantially at horizontality after rotating to any angle,
When guaranteeing that test process Satellite needs to rotate horizontally, load visual field is directed at delustring notch center always.
4. the visual field alignment methods of linear array image optics load in satellite Stray Light Test according to claim 1, special
Sign is that after the step 2 intermediate station flange face leveling, flange face angle with horizontal plane is required less than 1 ', by using longitude and latitude
The angle of normal and horizontal plane that instrument measurement is pasted on two faces of flange face bottom prism determines the levelness of flange face.
5. the visual field alignment methods of linear array image optics load in satellite Stray Light Test according to claim 1, special
Sign is, after step 3 Satellite is installed on turntable, optics load observation linear array is parallel to the horizontal plane.
6. the visual field alignment methods of linear array image optics load in satellite Stray Light Test according to claim 1, special
Sign is, tooling G1, G2 surface is imaged in the step 4 and uses delustring measure, places close to delustring equipment, and be placed in as far as possible
The arranged on left and right sides of load level visual field highly near the load visual field face height estimated, and can cover in delustring equipment notch
Heart position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615375.7A CN108982062B (en) | 2018-06-14 | 2018-06-14 | Visual field alignment method for linear array imaging optical load in satellite stray light test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810615375.7A CN108982062B (en) | 2018-06-14 | 2018-06-14 | Visual field alignment method for linear array imaging optical load in satellite stray light test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108982062A true CN108982062A (en) | 2018-12-11 |
| CN108982062B CN108982062B (en) | 2020-04-21 |
Family
ID=64540444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810615375.7A Active CN108982062B (en) | 2018-06-14 | 2018-06-14 | Visual field alignment method for linear array imaging optical load in satellite stray light test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108982062B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669224A (en) * | 2020-06-02 | 2020-09-15 | 武汉光谷航天三江激光产业技术研究院有限公司 | Inter-satellite laser communication aiming deviation on-orbit measurement and correction method |
| CN115979597A (en) * | 2023-02-13 | 2023-04-18 | 杭州简并激光科技有限公司 | Defect detection method for cone mirror of laser level meter |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050024213A1 (en) * | 2003-08-01 | 2005-02-03 | David Franzen | Sensor and method of detecting the condition of a turf grass |
| WO2007068111A2 (en) * | 2005-12-16 | 2007-06-21 | Exfo Electro-Optical Engineering, Inc. | An apparatus and method for determining stray light emitted by a mechanical splice |
| CN103946732A (en) * | 2011-09-26 | 2014-07-23 | 微软公司 | Video display modification based on sensor input for a see-through near-to-eye display |
| CN104950405A (en) * | 2014-03-24 | 2015-09-30 | 西克股份公司 | optoelectronic apparatus and method for alignment |
| CN105095608A (en) * | 2015-09-21 | 2015-11-25 | 上海卫星工程研究所 | Method for testing stray light of satellite |
| CN105092219A (en) * | 2015-09-21 | 2015-11-25 | 上海卫星工程研究所 | System-level stray light test unit attenuator |
| CN106595481A (en) * | 2016-12-14 | 2017-04-26 | 海信集团有限公司 | Light spot measurement method and device for laser projection system |
| CN107329191A (en) * | 2017-05-17 | 2017-11-07 | 上海卫星工程研究所 | GMS image-guidance and registering imaging test system and test method |
-
2018
- 2018-06-14 CN CN201810615375.7A patent/CN108982062B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050024213A1 (en) * | 2003-08-01 | 2005-02-03 | David Franzen | Sensor and method of detecting the condition of a turf grass |
| WO2007068111A2 (en) * | 2005-12-16 | 2007-06-21 | Exfo Electro-Optical Engineering, Inc. | An apparatus and method for determining stray light emitted by a mechanical splice |
| CN103946732A (en) * | 2011-09-26 | 2014-07-23 | 微软公司 | Video display modification based on sensor input for a see-through near-to-eye display |
| CN104950405A (en) * | 2014-03-24 | 2015-09-30 | 西克股份公司 | optoelectronic apparatus and method for alignment |
| CN105095608A (en) * | 2015-09-21 | 2015-11-25 | 上海卫星工程研究所 | Method for testing stray light of satellite |
| CN105092219A (en) * | 2015-09-21 | 2015-11-25 | 上海卫星工程研究所 | System-level stray light test unit attenuator |
| CN106595481A (en) * | 2016-12-14 | 2017-04-26 | 海信集团有限公司 | Light spot measurement method and device for laser projection system |
| CN107329191A (en) * | 2017-05-17 | 2017-11-07 | 上海卫星工程研究所 | GMS image-guidance and registering imaging test system and test method |
Non-Patent Citations (2)
| Title |
|---|
| 李俊麟: ""光学遥感卫星杂散光扫描测试系统测控设计"", 《航天器环境工程》 * |
| 郭强 等: ""基于高阶统计特征的FY-2气象卫星全视场杂散光估计"", 《光学技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111669224A (en) * | 2020-06-02 | 2020-09-15 | 武汉光谷航天三江激光产业技术研究院有限公司 | Inter-satellite laser communication aiming deviation on-orbit measurement and correction method |
| CN115979597A (en) * | 2023-02-13 | 2023-04-18 | 杭州简并激光科技有限公司 | Defect detection method for cone mirror of laser level meter |
| CN115979597B (en) * | 2023-02-13 | 2024-01-12 | 杭州简并激光科技有限公司 | Defect detection method for conical mirror of laser level meter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108982062B (en) | 2020-04-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107132028A (en) | The big off-axis three reflecting optical systems MTF test devices in visual field and method of testing | |
| CN107481289A (en) | The precision target drone system and method for big visual field camera far field calibration | |
| CN103743412B (en) | A kind of nondestructive detection device for light path of fiber-optic gyroscope | |
| CN108982062A (en) | The visual field alignment methods of linear array image optics load in a kind of satellite Stray Light Test | |
| CN101263369A (en) | System and method for measuring liquid level by image | |
| CN110595506B (en) | Instrument autonomous alignment device and alignment method in starlight simulation test | |
| CN102662293A (en) | Close-range focusing device and method | |
| CN204788422U (en) | Be applied to sensitive optical system index adjustment check out test set of satellite positioning star | |
| CN112129319B (en) | Incident optical axis calibration method of satellite-borne double-grating modulation type imaging instrument | |
| CN102706899A (en) | System and method for detecting secondary image of automobile glass | |
| CN107436131A (en) | The measurement of planeness system and its measuring method of a kind of laser alignment equipment | |
| US20220260503A1 (en) | Focus-less inspection apparatus and method | |
| CN111665023A (en) | Telescope distortion measuring device and method | |
| CN205909816U (en) | Structure light belt concatenation system based on a word line laser instrument | |
| CN103606155B (en) | Camera field of view scaling method and device | |
| Schmidt et al. | A reinvestigation of the scattering halo of M82 based on polarimetric and isophotal maps | |
| CN104748945A (en) | Optical axis orientation consistency detection system and method of corner reflector or corner reflector array | |
| CN106247998A (en) | A kind of laser axis and the calibration method of reflecting mirror normal parallel | |
| CN103134443A (en) | Large-caliber large-caliber-thickness-ratio reflector surface shape auto-collimation detection device and method | |
| CN207215046U (en) | A kind of measurement of planeness system of laser alignment equipment | |
| CN109737937A (en) | A kind of vertical tank bottom measurement point scene positioning device | |
| CN108760745A (en) | Diaphram wall seam leakage inspector and method | |
| CN206756430U (en) | The off-axis three reflecting optical systems MTF test devices of big visual field | |
| CN206192633U (en) | Optics transmission apparatus tool factor calibration system | |
| CN107806856A (en) | A kind of experimental detection device and method of simulated target spatial attitude |
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 |