CN106872141A - Space solar telescope guiding is steady as method for testing precision and device - Google Patents
Space solar telescope guiding is steady as method for testing precision and device Download PDFInfo
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- CN106872141A CN106872141A CN201611231515.8A CN201611231515A CN106872141A CN 106872141 A CN106872141 A CN 106872141A CN 201611231515 A CN201611231515 A CN 201611231515A CN 106872141 A CN106872141 A CN 106872141A
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- 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
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Abstract
It is steady as accuracy test mode and device the present invention relates to a kind of space solar telescope guiding,Belong to technical field of photoelectricity test,It is steady as method for testing precision and device by implementing space solar telescope guiding proposed by the invention,Can simulate steady as the input target of precision for test space astronomical telescope guiding,In the case where keeping space solar telescope and guiding motionless,Change input target,After steady camera structure completes normal steady picture work,Asterism dynamic object image further according to the output of space optics telescope calculates the position pixel variable quantity of asterism dynamic object,So as to determine the precision of the steady picture of space solar telescope guiding according to position pixel variable quantity,And by after the multiple steady picture of steady camera structure,Compare the degree of accuracy that the position pixel variable quantity of multiple asterism dynamic object can further improve the steady picture accuracy test result of guiding.The present invention provides a kind of referential method and apparatus for the detection of big view field space astronomical telescope system.
Description
Technical field
The present invention relates to technical field of photoelectricity test, more particularly to a kind of space solar telescope guiding is steady as precision is surveyed
Method for testing and device.
Background technology
Space solar telescope is a kind of on satellite platform, for being set to the science that Celestial Objects are observed
It is standby, the micro-vibration of satellite platform attitudes vibration and itself motivation structure such as generation such as attitude control engine, solar array is subject to due to it
Influence, can cause observed object to deviate with the optical axis of space solar telescope, cause the imaging matter of space solar telescope
Amount declines.Therefore, the peripheral field that astronomical telescope is generally required in optical system installs multiple fine guidings additional, by guiding reality
When star is imaged, the position for resolving star carries out the feedback of position offset information, so as to drive the steady camera structure to make astronomical telescope
Fast pendulum mirror is quickly moved, and realizes the steady picture of smart level to being imaged.
Under normal circumstances, the bore of the conventional parallel light tube for surely being used as method for testing precision is all smaller, and space day
The bore of literary telescope is often all larger, therefore conventional steady as method for testing precision cannot be accomplished to the complete of space solar telescope
Bore is covered, so as to cannot realize to the steady as the accurate test of precision of space solar telescope；Meanwhile, space solar telescope
Volume and quality it is all often larger, routine of the prior art is steady as method for testing precision cannot be realized to this volume and matter
The test of the steady picture precision of all larger tested product of amount.
The content of the invention
Based on this, it is necessary to for of the prior art steady as method for testing precision cannot be realized to space solar telescope
The steady accurate test as precision problem, there is provided a kind of space solar telescope guiding is steady as method for testing precision and device.
To solve the above problems, the present invention takes following technical scheme：
A kind of space solar telescope guiding is steady as method for testing precision, the described method comprises the following steps：
Obtain the first asterism dynamic target generator through object plane for infinity space solar telescope primary mirror reflect after
The current first asterism dynamic object image formed on first guiding and the second asterism dynamic target generator are through the space
The current second asterism dynamic object image formed on the second guiding after primary mirror of astronomical telescope refraction, first asterism is moved
State target generator is synchronous in sequential with the second asterism dynamic target generator, and first guiding and described second is led
Star is respectively positioned on the image space focal plane of the space solar telescope primary mirror；
Generated for driving according to the current first asterism dynamic object image and the current second asterism dynamic image
The control instruction of the steady camera structure of dynamic space solar telescope；
Complete steady as after according to the control instruction in the steady camera structure, obtain the space solar telescope output
Asterism dynamic object image, the asterism dynamic object image is hoped for Samsung point dynamic target generator through the space astronomy
The image formed in the image space focal plane of the space solar telescope primary mirror after remote mirror primary mirror refraction, and the Samsung point dynamic
Target generator is same in sequential with the first asterism dynamic target generator, the second asterism dynamic target generator
Step；
According to the asterism dynamic object image culminant star point dynamic object in the steady position picture as before and after of the steady camera structure
First variable quantity determines the precision of the steady picture of space solar telescope guiding.
Correspondingly, the present invention also proposes that a kind of space solar telescope guiding is steady as accuracy test device, described device bag
Include：
Guiding image acquisition unit, is the space day of infinity for obtaining the first asterism dynamic target generator through object plane
The current first asterism dynamic object image shaped on the first guiding after literary telescope primary mirror refraction and the second asterism dynamic
The current second asterism dynamic mesh that target generator is formed after being reflected through the space solar telescope primary mirror on the second guiding
Logo image, the first asterism dynamic target generator is synchronous in sequential with the second asterism dynamic target generator, institute
State the first guiding and second guiding is respectively positioned on the image space focal plane of the space solar telescope primary mirror；
Instruction generation unit, for dynamic according to the current first asterism dynamic object image and current second asterism
State image generates the control instruction of the steady camera structure for driving space solar telescope；
Space solar telescope image acquisition unit, for completing steady picture according to the control instruction in the steady camera structure
Afterwards, the asterism dynamic object image of the space solar telescope output is obtained, the asterism dynamic object image is Samsung
Point dynamic target generator is after space solar telescope primary mirror refraction in the image space of the space solar telescope primary mirror
The image that focal plane is formed, and it is the Samsung point dynamic target generator and the first asterism dynamic target generator, described
Second asterism dynamic target generator is synchronous in sequential；
It is steady as precision determining unit, for according to the asterism dynamic object image culminant star point dynamic object in the steady picture
The steady position pixel variable quantity as before and after of mechanism determines the precision of the steady picture of space solar telescope guiding.
Above-mentioned space solar telescope guiding is steady as method for testing precision and device can be realized to space solar telescope
Guiding it is steady as the test of precision, overcome in the prior art due to can be with space day without parallel light tube bigbore enough
It is steady as the defect of precision that the bore phase of literary telescope and leading to not accurately measures space solar telescope guiding, by implementing
Space solar telescope guiding proposed by the invention is steady as method for testing precision and device, can simulate for the test space
Astronomical telescope guiding is steady as the input target of precision, in the case where keeping space solar telescope and guiding motionless, changes
Input target, after steady camera structure completes normal steady picture work, further according to the asterism dynamic object figure of space optics telescope output
Position pixel variable quantity as calculating asterism dynamic object, so as to determine that space solar telescope is led according to position pixel variable quantity
The precision of the steady picture of star, and by the way that after the multiple steady picture of steady camera structure, the position pixel of relatively more multiple asterism dynamic object changes
It is steady as the degree of accuracy of accuracy test result that amount can further improve guiding.The present invention is big view field space astronomical telescope system
Detection provide a kind of referential method and apparatus.
Brief description of the drawings
Fig. 1 is that space solar telescope guiding is steady as the flow of method for testing precision is shown in one of embodiment of the invention
It is intended to；
Fig. 2 is the position relationship schematic diagram of guiding and space solar telescope；
Fig. 3 is the signal of the steady picture accuracy test device of space solar telescope guiding in one of embodiment of the invention
Figure.
Specific embodiment
Technical scheme is described in detail below in conjunction with accompanying drawing and preferred embodiment.
Wherein in one embodiment, as shown in figure 1, a kind of space solar telescope guiding is steady as method for testing precision,
Comprise the following steps：
S100 obtains the first asterism dynamic target generator through object plane for the space solar telescope primary mirror of infinity is reflected
The current first asterism dynamic object image for being formed on the first guiding afterwards and the second asterism dynamic target generator are through described
The current second asterism dynamic object image formed on the second guiding after the refraction of space solar telescope primary mirror, first star
Point dynamic target generator is synchronous in sequential with the second asterism dynamic target generator, first guiding and described the
Two guidings are respectively positioned on the image space focal plane of the space solar telescope primary mirror；
S200 is used according to the current first asterism dynamic object image and the current second asterism dynamic image generation
In the control instruction of the steady camera structure for driving space solar telescope；
S300 completes steady as after in the steady camera structure according to the control instruction, obtains the space solar telescope defeated
The asterism dynamic object image for going out, the asterism dynamic object image is Samsung point dynamic target generator through the space day
The image formed in the image space focal plane of the space solar telescope primary mirror after literary telescope primary mirror refraction, and the 3rd asterism
Dynamic target generator is with the first asterism dynamic target generator, the second asterism dynamic target generator in sequential
Upper synchronization；
S400 is according to the asterism dynamic object image culminant star point dynamic object in the steady position as before and after of the steady camera structure
Put the precision that pixel variable quantity determines the steady picture of space solar telescope guiding.
Specifically, in the present embodiment, the object plane of space solar telescope primary mirror is infinity, the first asterism dynamic object
After generator is reflected through space solar telescope primary mirror, the first asterism dynamic object image is formed on the first guiding, similarly,
After second asterism dynamic target generator is reflected through space solar telescope primary mirror, the second asterism dynamic is formed on the second guiding
Target image, wherein the first asterism dynamic target generator is synchronous in sequential with the second asterism dynamic target generator, meanwhile,
As shown in Fig. 2 the first guiding and the second guiding in the present embodiment are respectively positioned on the image space focal plane of space solar telescope primary mirror.
Here because the object plane of space solar telescope primary mirror is infinity, therefore the first asterism dynamic target generator and the second asterism
Targeted transformation can be infinity by means of optical alignment system or parallel light tube by dynamic target generator, and space astronomy is hoped
Remote mirror primary mirror could be by target sink to its image space focal plane.
In step s 200, the current first asterism dynamic object image and current second asterism for being obtained according to step S100
Dynamic object image generates control instruction, and the control instruction is used to drive the steady camera structure of space solar telescope.The steady picture of guiding
Method is a kind of digital image stabilization method for developing comparative maturity in existing steady picture technology, is compared to other digital image stabilization methods, guiding
The steady picture effect of steady picture is also relatively preferable.According to the current first asterism dynamic object image for obtaining and currently in this step
Second asterism dynamic object image generates control instruction to drive steady camera structure, realizes the imaging effect to space solar telescope
Improvement, guiding and its control system are prior arts here, and guiding is according to asterism image (i.e. current first star for receiving
The dynamic target image of point and current second asterism dynamic object image) the steady picture organisation operations of control, for those skilled in the art
For, completely can be steady as technology realizes that here is omitted using existing guiding.
In step S300, complete steady as after according to control instruction in steady camera structure, obtain space solar telescope output
Asterism dynamic object image, wherein asterism dynamic object image looks in the distance for Samsung point dynamic target generator through space astronomy
The image formed in the image space focal plane of space solar telescope primary mirror after the refraction of mirror primary mirror, and the generation of Samsung point dynamic object
Device is synchronous in sequential with the first asterism dynamic target generator, the second asterism dynamic target generator.
Finally, it is steady as preceding in steady camera structure according to asterism dynamic object image culminant star point dynamic object in step S400
Position pixel variable quantity afterwards determines the precision of the steady picture of space solar telescope guiding.Specifically, it is empty before steady picture organisation operations
Between astronomical telescope can export an asterism dynamic object image, image procossing is carried out to the asterism dynamic object image, obtain
The positional information of asterism dynamic object, and positional information to the asterism dynamic object image and asterism dynamic object deposits
Storage；Complete steady as after in steady camera structure, space solar telescope will again export an asterism dynamic object image, equally
Ground, image procossing is carried out to the steady asterism dynamic object image exported as after, obtains the positional information of asterism dynamic object；Pass through
Compare steady as the asterism dynamic object image of space solar telescope output before organisation operations and steady as empty after organisation operations
Between astronomical telescope output asterism dynamic object image, the specifically movement images change in location of a dynamic object of broadcasting TV programs by satellite is more
Few pixel, and the position pixel variable quantity of asterism dynamic object is obtained, finally according to the position pixel change of asterism dynamic object
Amount determines steady picture precision, if the position pixel variable quantity of asterism dynamic object is small, shows that space solar telescope guiding is steady
The high precision of picture, on the contrary then the precision of the steady picture of space solar telescope guiding is low.
Space solar telescope guiding in the present embodiment is steady as method for testing precision can be realized looking in the distance space astronomy
The guiding of mirror is steady as the test of precision, overcomes in the prior art because no parallel light tube bigbore enough can be with space
It is steady as the defect of precision that the bore phase of astronomical telescope and leading to not accurately measures space solar telescope guiding, by reality
The steady picture method for testing precision of space solar telescope guiding that the present embodiment is proposed is applied, can be simulated for the test space day
Literary telescope guiding is steady as the input target of precision, in the case where keeping space solar telescope and guiding motionless, changes defeated
Enter target, after steady camera structure completes normal steady picture work, further according to the asterism dynamic object image of space optics telescope output
The position pixel variable quantity of asterism dynamic object is calculated, so as to determine space solar telescope guiding according to position pixel variable quantity
The precision of steady picture, and by after the multiple steady picture of steady camera structure, comparing the position pixel variable quantity of multiple asterism dynamic object
Guiding can further be improved steady as the degree of accuracy of accuracy test result.The present invention is big view field space astronomical telescope system
Detection provides a kind of referential method.
As a kind of specific embodiment, the first asterism dynamic target generator, the second asterism dynamic in the present invention
Target generator and Samsung point dynamic target generator are liquid crystal on silicon (the Liquid Crystal on driver
Silicon, LCOS) between panel, and each LCOS panel by lock-out pulse card control timing synchronization；The photograph that first light source sends
After Mingguang City's beam reflects through the first beam splitter, corresponding silica-based liquid crystal panel is exposed to, silica-based liquid crystal panel reflects illuminating bundle
To the first beam splitter, and the first guiding parallel light tube is irradiated into after the refraction of the first beam splitter, the first guiding parallel light tube goes out
The directional light penetrated obtains current first asterism dynamic object image after being imaged through space solar telescope primary mirror；Secondary light source sends
Illuminating bundle reflected through the second beam splitter after, expose to corresponding silica-based liquid crystal panel, silica-based liquid crystal panel is by illuminating bundle
The second beam splitter is reflexed to, and the second guiding parallel light tube, the second guiding directional light are irradiated into after the refraction of the second beam splitter
The directional light of pipe outgoing obtains current second asterism dynamic object image after being imaged through space solar telescope primary mirror；3rd light source
After the illuminating bundle for sending reflects through the 3rd beam splitter, corresponding silica-based liquid crystal panel is exposed to, silica-based liquid crystal panel will be illuminated
Light beam reflexes to the 3rd beam splitter, and is irradiated into main parallel light tube after the refraction of the 3rd beam splitter, main parallel light tube outgoing
Directional light obtains the asterism dynamic object image of optical astronomical telescope output after being imaged through space solar telescope primary mirror.At this
In implementation method, because the bore of main parallel light tube is limited, its central vision that can only cover space solar telescope primary mirror, because
This present embodiment is also provided with the position that 2 relatively small parallel light tubes of bore are directed at guiding, i.e., according to the position of guiding
There is provided 2 guiding parallel light tubes, so as to ensure that there is target guiding and the image planes position of space solar telescope；This embodiment party
Formula also uses LCOS panel as asterism dynamic target generator, because LCOS panel can give birth under the control of main control computer
Into arbitrary shape, therefore modulated the characteristics of with low cost with easy, while each LCOS panel will ensure the synchronism of time, must
There need be lock-out pulse to synchronize operation to these LCOS panels, so that ensureing the image of LCOS panel generation has identical
Motion sequential relationship.
Meanwhile, in another embodiment, the present invention also proposes that a kind of space solar telescope guiding is steady as accuracy test
Device, the device includes：
Guiding image acquisition unit, is the space day of infinity for obtaining the first asterism dynamic target generator through object plane
The current first asterism dynamic object image shaped on the first guiding after literary telescope primary mirror refraction and the second asterism dynamic
The current second asterism dynamic mesh that target generator is formed after being reflected through the space solar telescope primary mirror on the second guiding
Logo image, the first asterism dynamic target generator is synchronous in sequential with the second asterism dynamic target generator, institute
State the first guiding and second guiding is respectively positioned on the image space focal plane of the space solar telescope primary mirror；
Instruction generation unit, for dynamic according to the current first asterism dynamic object image and current second asterism
State image generates the control instruction of the steady camera structure for driving space solar telescope；
Space solar telescope image acquisition unit, for completing steady picture according to the control instruction in the steady camera structure
Afterwards, the asterism dynamic object image of the space solar telescope output is obtained, the asterism dynamic object image is Samsung
Point dynamic target generator is after space solar telescope primary mirror refraction in the image space of the space solar telescope primary mirror
The image that focal plane is formed, and it is the Samsung point dynamic target generator and the first asterism dynamic target generator, described
Second asterism dynamic target generator is synchronous in sequential；
It is steady as precision determining unit, for according to the asterism dynamic object image culminant star point dynamic object in the steady picture
The steady position pixel variable quantity as before and after of mechanism determines the precision of the steady picture of space solar telescope guiding.
Because space solar telescope guiding is steady as the concrete methods of realizing of the function of unit in accuracy test device,
It is identical with the steady implementation method as described in method for testing precision embodiment of foregoing space solar telescope guiding, therefore herein not
Repeat again.Space solar telescope guiding in the present embodiment is steady as accuracy test device can be realized to space solar telescope
Guiding it is steady as the test of precision, overcome in the prior art due to can be with space day without parallel light tube bigbore enough
It is steady as the defect of precision that the bore phase of literary telescope and leading to not accurately measures space solar telescope guiding, by implementing
The space solar telescope guiding that the present embodiment is proposed is steady as accuracy test device, can simulate astronomical for the test space
Telescope guiding is steady as the input target of precision, in the case where keeping space solar telescope and guiding motionless, changes input
Target, after steady camera structure completes normal steady picture work, further according to the asterism dynamic object image meter of space optics telescope output
The position pixel variable quantity of asterism dynamic object is calculated, so as to determine that space solar telescope guiding is steady according to position pixel variable quantity
The precision of picture, and by the way that after the multiple steady picture of steady camera structure, the position pixel variable quantity of relatively more multiple asterism dynamic object can
It is steady as the degree of accuracy of accuracy test result further to improve guiding.
As a kind of specific embodiment, as shown in figure 3, the steady picture accuracy test device of space solar telescope guiding is also
Including the first light source 11, secondary light source 21, the 3rd light source 31, the first beam splitter 12, the second beam splitter 22, the 3rd beam splitter 32,
First guiding parallel light tube 13, the second guiding parallel light tube 23, main parallel light tube 33 and lock-out pulse card；
First asterism dynamic target generator 14, the second asterism dynamic target generator 24 and Samsung point dynamic object hair
Raw device 34 is between the silica-based liquid crystal panel with driver, and each silica-based liquid crystal panel by lock-out pulse card control sequential
It is synchronous；
After the illuminating bundle that first light source 11 sends reflects through the first beam splitter 12, corresponding silica-based liquid crystal panel is exposed to
14, illuminating bundle is reflexed to the first beam splitter 12 by silica-based liquid crystal panel 14, and is irradiated into after the refraction of the first beam splitter 12
First guiding parallel light tube 13, the directional light of the outgoing of the first guiding parallel light tube 13 is obtained after being imaged through space solar telescope primary mirror
To current first asterism dynamic object image；
After the illuminating bundle that secondary light source 21 sends reflects through the second beam splitter 22, corresponding silica-based liquid crystal panel is exposed to
24, illuminating bundle is reflexed to the second beam splitter 22 by silica-based liquid crystal panel 24, and is irradiated into after the refraction of the second beam splitter 22
Second guiding parallel light tube 23, the directional light of the outgoing of the second guiding parallel light tube 23 is obtained after being imaged through space solar telescope primary mirror
To current second asterism dynamic object image；
After the illuminating bundle that 3rd light source 131 sends reflects through the 3rd beam splitter 32, corresponding liquid crystal on silicon face is exposed to
Illuminating bundle is reflexed to the 3rd beam splitter 32 by plate 34, silica-based liquid crystal panel 34, and irradiate after being reflected through the 3rd beam splitter 32 into
Parallel light tube 33 is become owner of, the directional light of the outgoing of main parallel light tube 33 obtains optical astronomical after being imaged through space solar telescope primary mirror
The asterism dynamic object image of telescope output.
In the present embodiment, the illumination path of light source and beam splitter composition can produce uniform parallel light, by LCOS
Target is produced after panel reflection, is launched by parallel light tube, form infinity target.By main control computer control program, can
The liquid crystal dot matrix one by one on control LCOS panel works successively at the appointed time, that is, modulate LCOS panel, realizes dynamic object
Simulation, is moved back and forth it.
Due to having 3 parallel light tubes and 3 LCOS panels, so to ensure the synchronism of time, it is necessary to there is synchronous arteries and veins
Punching synchronizes operation to 3 LCOS panels, to ensure that the image that 3 LCOS panels are generated has identical to move sequential relationship.
Main control computer downloads to default image in the RAM of the driver of LCOS panel, and utilizes lock-out pulse card
Driver to 3 LCOS panels synchronizes operation, so as to ensure the work synchronization of LCOS panel.LCOS panel is started working
After generate reciprocating asterism dynamic object, by parallel light tube, asterism dynamic object is incident upon space optics day respectively
In the imaging image planes of literary telescope and two guidings, guiding is to the first asterism dynamic object image for receiving or the second asterism
Dynamic object image is processed, and position is calculated in real time, and it is steady as work to drive steady camera structure to carry out to generate control instruction
Make, steady camera structure completes steady as after, checks the asterism dynamic object image of astronomical telescope generation, calculate asterism dynamic mesh thereon
Target position.By the variable quantity of repeatedly measurement asterism dynamic target position, i.e., asterism dynamic object is repeatedly measured each time
The steady steady position pixel variable quantity as before and after of camera structure determines the precision of the steady picture of guiding, realizes steady to guiding as precision is determined
Amount analysis and evaluation.The reciprocating asterism dynamic mesh of asterism dynamic object image viewing exported by space solar telescope
Whether mark is gradually stablized to verify that guiding is steady as precision.
In the present embodiment, because the bore of main parallel light tube is limited, it can only cover space solar telescope primary mirror
Central vision, therefore present embodiment is according to the position of guiding, is also provided with 2 relatively small parallel light tubes alignments of bore
The position of guiding, that is, be provided with 2 guiding parallel light tubes, so as to ensure that guiding and the image planes position of space solar telescope have
Target；Present embodiment also uses LCOS panel as asterism dynamic target generator, because LCOS panel can be in master control meter
Arbitrary shape is generated under the control of calculation machine, therefore is modulated the characteristics of with low cost, while each LCOS panel will ensure with easy
The synchronism of time, it is necessary to there is lock-out pulse to synchronize operation to these LCOS panels, so as to ensure that LCOS panel is generated
Image have identical move sequential relationship.
Space solar telescope guiding proposed by the invention is steady as in accuracy test device, main parallel light tube can select examination
The big parallel light tube of room bore is tested, to ensure image quality, guiding parallel light tube can use small-bore parallel light tube；Liquid crystal on silicon
(LCOS) panel can be carried using the SXGA type liquid crystal panels of 1280 × 1024 resolution ratio of ForthDD companies, the LCOS devices
Driver, can realize that quick calling shows during display figure downloads to RAM；Light source is regarded using a gram Le lighting system with guarantee
Field intraoral illumination is uniform；Lock-out pulse card can select the transmission that Xilinx Spartan6 types FPGA realizes lock-out pulse, and the card can use
Pci bus interface chip PCI9054 realizes control of the computer to lock-out pulse card；Main control computer can be used and grind magnificent IPC-
610 industrial computers are realized.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope of this specification record is all considered to be.
Embodiment described above only expresses several embodiments of the invention, and its description is more specific and detailed, but simultaneously
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that coming for one of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (6)
1. a kind of space solar telescope guiding is steady as method for testing precision, it is characterised in that comprise the following steps：
Obtain after the first asterism dynamic target generator is reflected through object plane for the space solar telescope primary mirror of infinity first
The current first asterism dynamic object image formed on guiding and the second asterism dynamic target generator are through the space astronomy
The current second asterism dynamic object image formed on the second guiding after the refraction of telescope primary mirror, the first asterism dynamic mesh
Mark generator is synchronous in sequential with the second asterism dynamic target generator, and first guiding and second guiding are equal
Positioned at the image space focal plane of the space solar telescope primary mirror；
Generated for driving sky according to the current first asterism dynamic object image and the current second asterism dynamic image
Between astronomical telescope steady camera structure control instruction；
Complete steady as after according to the control instruction in the steady camera structure, obtain the asterism of the space solar telescope output
Dynamic object image, the asterism dynamic object image is Samsung point dynamic target generator through the space solar telescope
The image formed in the image space focal plane of the space solar telescope primary mirror after primary mirror refraction, and the Samsung point dynamic object
Generator is synchronous in sequential with the first asterism dynamic target generator, the second asterism dynamic target generator；
Become in the steady position pixel as before and after of the steady camera structure according to the asterism dynamic object image culminant star point dynamic object
Change amount determines the precision of the steady picture of space solar telescope guiding.
2. space solar telescope guiding according to claim 1 is steady as method of testing, it is characterised in that first star
Point dynamic target generator, the second asterism dynamic target generator and the Samsung point dynamic target generator are band
Have between the silica-based liquid crystal panel of driver, and each described silica-based liquid crystal panel by lock-out pulse card control timing synchronization；
After the illuminating bundle that first light source sends reflects through the first beam splitter, the corresponding silica-based liquid crystal panel, institute are exposed to
State silica-based liquid crystal panel and the illuminating bundle is reflexed into first beam splitter, and irradiated after first beam splitter refraction
Into the first guiding parallel light tube, the directional light of the first guiding parallel light tube outgoing is through the space solar telescope primary mirror
The current first asterism dynamic object image is obtained after imaging；
After the illuminating bundle that secondary light source sends reflects through the second beam splitter, the corresponding silica-based liquid crystal panel, institute are exposed to
State silica-based liquid crystal panel and the illuminating bundle is reflexed into second beam splitter, and irradiated after second beam splitter refraction
Into the second guiding parallel light tube, the directional light of the second guiding parallel light tube outgoing is through the space solar telescope primary mirror
The current second asterism dynamic object image is obtained after imaging；
After the illuminating bundle that 3rd light source sends reflects through the 3rd beam splitter, the corresponding silica-based liquid crystal panel, institute are exposed to
State silica-based liquid crystal panel and the illuminating bundle is reflexed into the 3rd beam splitter, and irradiated after the 3rd beam splitter refraction
Into main parallel light tube, the directional light of the main parallel light tube outgoing obtains institute after being imaged through the space solar telescope primary mirror
State the asterism dynamic object image of optical astronomical telescope output.
3. a kind of space solar telescope guiding is steady as accuracy test device, it is characterised in that including：
Guiding image acquisition unit, for obtaining the first asterism dynamic target generator through object plane for the space astronomy of infinity is hoped
The current first asterism dynamic object image and the second asterism dynamic object shaped on the first guiding after remote mirror primary mirror refraction
The current second asterism dynamic object figure that generator is formed after being reflected through the space solar telescope primary mirror on the second guiding
Picture, the first asterism dynamic target generator is synchronous in sequential with the second asterism dynamic target generator, and described
One guiding and second guiding are respectively positioned on the image space focal plane of the space solar telescope primary mirror；
Instruction generation unit, for according to the current first asterism dynamic object image and the current second asterism Dynamic Graph
Control instruction as generating the steady camera structure for driving space solar telescope；
Space solar telescope image acquisition unit, for completing steady as after according to the control instruction in the steady camera structure,
The asterism dynamic object image of the space solar telescope output is obtained, the asterism dynamic object image is Samsung crawl
State target generator is after space solar telescope primary mirror refraction in the image space focal plane of the space solar telescope primary mirror
The image of formation, and the Samsung point dynamic target generator and the first asterism dynamic target generator, described second
Asterism dynamic target generator is synchronous in sequential；
It is steady as precision determining unit, for according to the asterism dynamic object image culminant star point dynamic object in the steady camera structure
The steady position pixel variable quantity as before and after determines the precision of the steady picture of space solar telescope guiding.
4. space solar telescope guiding according to claim 3 is steady as accuracy test device, it is characterised in that also include
First light source, secondary light source, the 3rd light source, the first beam splitter, the second beam splitter, the 3rd beam splitter, the first guiding parallel light tube,
Second guiding parallel light tube, main parallel light tube and lock-out pulse card,
The first asterism dynamic target generator, the second asterism dynamic target generator and the Samsung point dynamic mesh
Mark generator is between the silica-based liquid crystal panel with driver, and each described silica-based liquid crystal panel by the lock-out pulse
Card control timing synchronization；
After the illuminating bundle that first light source sends reflects through first beam splitter, the corresponding liquid crystal on silicon is exposed to
The illuminating bundle is reflexed to first beam splitter by panel, the silica-based liquid crystal panel, and is rolled over through first beam splitter
The first guiding parallel light tube is irradiated into after penetrating, the directional light of the first guiding parallel light tube outgoing is through the space day
The current first asterism dynamic object image is obtained after literary telescope primary mirror imaging；
After the illuminating bundle that the secondary light source sends reflects through second beam splitter, the corresponding liquid crystal on silicon is exposed to
The illuminating bundle is reflexed to second beam splitter by panel, the silica-based liquid crystal panel, and is rolled over through second beam splitter
The second guiding parallel light tube is irradiated into after penetrating, the directional light of the second guiding parallel light tube outgoing is through the space day
The current second asterism dynamic object image is obtained after literary telescope primary mirror imaging；
After the illuminating bundle that 3rd light source sends reflects through the 3rd beam splitter, the corresponding liquid crystal on silicon is exposed to
The illuminating bundle is reflexed to the 3rd beam splitter by panel, the silica-based liquid crystal panel, and is rolled over through the 3rd beam splitter
The main parallel light tube is irradiated into after penetrating, the directional light of the main parallel light tube outgoing is through the space solar telescope primary mirror
The asterism dynamic object image of the optical astronomical telescope output is obtained after imaging.
5. space solar telescope guiding according to claim 4 is steady as accuracy test device, it is characterised in that
The silica-based liquid crystal panel is the SXGA type liquid crystal panels that resolution ratio is 1280 × 1024.
6. space solar telescope guiding according to claim 4 or 5 is steady as accuracy test device, it is characterised in that
The lock-out pulse card is the pulse cardses that pulse is sent using Xilinx Spartan6 types FPGA.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621694A (en) * | 2017-09-15 | 2018-01-23 | 长春市求非光学科技有限公司 | Electronic type astronomical telescope tracks the method and electronic type astronomical telescope of celestial body |
| CN109813526A (en) * | 2018-12-29 | 2019-05-28 | 中国科学院紫金山天文台 | A kind of optical telescope outfield tracking accuracy detection method based on astrofix |
| CN110657960A (en) * | 2019-10-31 | 2020-01-07 | 中国科学院长春光学精密机械与物理研究所 | Image stabilization precision detection optical path system of large-view-field space astronomical telescope |
| CN110849318A (en) * | 2019-11-29 | 2020-02-28 | 中国科学院长春光学精密机械与物理研究所 | Method and device for acquiring sun altitude angle of spacecraft subsatellite point and imaging method |
| CN115437030A (en) * | 2022-08-23 | 2022-12-06 | 中国科学院云南天文台 | Guide star closed-loop tracking method and system for high-dispersion optical fiber spectrometer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102780846A (en) * | 2012-07-11 | 2012-11-14 | 清华大学 | Electronic image stabilization method based on inertial navigation information |
| CN103475802A (en) * | 2013-09-26 | 2013-12-25 | 中国矿业大学 | Electronic image stabilization method |
| JP2015515003A (en) * | 2012-04-24 | 2015-05-21 | プロファンダス アクチボラーグＰｒｏｆｕｎｄｕｓ Ａｂ | Guide star generation |
-
2016
- 2016-12-28 CN CN201611231515.8A patent/CN106872141B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2015515003A (en) * | 2012-04-24 | 2015-05-21 | プロファンダス アクチボラーグＰｒｏｆｕｎｄｕｓ Ａｂ | Guide star generation |
| CN102780846A (en) * | 2012-07-11 | 2012-11-14 | 清华大学 | Electronic image stabilization method based on inertial navigation information |
| CN103475802A (en) * | 2013-09-26 | 2013-12-25 | 中国矿业大学 | Electronic image stabilization method |
Non-Patent Citations (2)
| Title |
|---|
| T. SHIMIZU等: "Image Stabilization SystemOptical Telescope for Hinode (Solar-B) Solar", 《SOLAR PHYS》 * |
| 姬琪等: "硅基液晶（LCOS）在动态目标模拟装置中的应用", 《第十六届全国光学测试学术交流会摘要集》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107621694A (en) * | 2017-09-15 | 2018-01-23 | 长春市求非光学科技有限公司 | Electronic type astronomical telescope tracks the method and electronic type astronomical telescope of celestial body |
| CN109813526A (en) * | 2018-12-29 | 2019-05-28 | 中国科学院紫金山天文台 | A kind of optical telescope outfield tracking accuracy detection method based on astrofix |
| CN110657960A (en) * | 2019-10-31 | 2020-01-07 | 中国科学院长春光学精密机械与物理研究所 | Image stabilization precision detection optical path system of large-view-field space astronomical telescope |
| CN110849318A (en) * | 2019-11-29 | 2020-02-28 | 中国科学院长春光学精密机械与物理研究所 | Method and device for acquiring sun altitude angle of spacecraft subsatellite point and imaging method |
| CN115437030A (en) * | 2022-08-23 | 2022-12-06 | 中国科学院云南天文台 | Guide star closed-loop tracking method and system for high-dispersion optical fiber spectrometer |
| CN115437030B (en) * | 2022-08-23 | 2024-01-30 | 中国科学院云南天文台 | Star-guiding closed-loop tracking method and system for high-dispersion optical fiber spectrometer |
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