CN103698771A - Experimental apparatus applying SRR in scanning imaging system - Google Patents
Experimental apparatus applying SRR in scanning imaging system Download PDFInfo
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- CN103698771A CN103698771A CN201310700978.4A CN201310700978A CN103698771A CN 103698771 A CN103698771 A CN 103698771A CN 201310700978 A CN201310700978 A CN 201310700978A CN 103698771 A CN103698771 A CN 103698771A
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- srr
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- 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
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/88—Lidar systems specially adapted for specific applications
- G01S17/89—Lidar systems specially adapted for specific applications for mapping or imaging
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C11/00—Photogrammetry or videogrammetry, e.g. stereogrammetry; Photographic surveying
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- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
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- Electromagnetism (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses an experimental apparatus applying SRR in a scanning imaging system. The experimental apparatus applied the SRR in the scanning imaging system comprises an optical lens, an image acquiring circuit module, a precise lifting table, an ultraprecise translation table, an electric control translation table and an image reestablishing system. The experimental apparatus applying the SRR in the scanning imaging system is simple and flexible in structure, and single images of different sampling frequencies and multiple images with displacement of sub-pixels of the same sampling frequency can be obtained by changing the scanning speed of the electric control translation platform and adjusting a two-dimensional fine tuning mechanism.
Description
Technical field
The invention belongs to technical field of remote sensing image processing, relate in particular to the experimental provision that a kind of SRR applies in scanning imaging system.
Background technology
In each tool eternal lasting of geostationary meteorological satellite (GMS) and polar orbiting meteorological satellite, formed global weather monitoring network.Geostationary meteorological satellite (GMS) has high temporal resolution, particularly adopt after three-axle steady platform technology, its temporal resolution is only subject to the restriction of Instrument Design, although and polar orbiting meteorological satellite has the geostationary meteorological satellite (GMS) spatial resolution that is beyond one's reach, and can not have the temporal resolution that geostationary meteorological satellite (GMS) is high also.High temporal resolution can adapt with Small and Medium Sized and fast-changing monitoring of environmental, if improve the spatial resolution of geostationary meteorological satellite (GMS), can greatly improve the region precision of small scale hazard weather forecast, the not extensive catastrophic failure developing that observes in time burst, reduces the loss bringing thus.For this reason, meteorological data user has proposed the more technical requirement of high spatial resolution to geostationary meteorological satellite (GMS).This index request more demonstrates importance and necessity for 2008 disaster-ridden China.In especially big snow disaster forecast and the disaster relief that at the beginning of 2008, China occurs, in the disaster relief guiding work of 5.12 Wenchuan violent earthquakes, China's weather satellite has been brought into play very important effect.Yet in the most urgent disaster relief guiding work after 5.12 Wenchuan violent earthquakes, the one side of its deficiency also embodies: although polar orbiting meteorological satellite spatial resolution is high, yet temporal resolution is too low, can not provide in time the image that instructs disaster relief work, geostationary meteorological satellite (GMS) temporal resolution is high, can the too low image clearly that can not provide enough of spatial resolution, the method thing that therefore research improves stationary satellite image spatial resolution must gone.
Adopting at present SRR technology to improve remote sensing images spatial resolution is study hotspot, therefore sets up an experiment porch that is adapted to scanning imaging system application SRR technology most important.
Summary of the invention
The experimental provision that provides a kind of SRR to apply in scanning imaging system is provided the object of the embodiment of the present invention, is intended to capture in current high rail remote sensing satellite and applies the problem that SRR technology exists, and for improving high rail satellite image spatial resolution, provides SRR solution.
The embodiment of the present invention is to realize like this, the experimental provision that SRR applies in scanning imaging system, the experimental provision that this SRR applies in scanning imaging system comprises: optical lens, Image Acquisition circuit module, accurate lifting table, ultraprecise translation stage, electronic control translation stage, image re-construction system;
Optical lens connects for obtain the Image Acquisition circuit module of image by detector, electronic control translation stage is arranged on the bottommost of experimental provision, ultraprecise translation stage is arranged on electronic control translation stage, accurate lifting table is arranged on ultraprecise translation stage, Image Acquisition circuit module by USB interface data line with for rebuilding the image re-construction system of image, be connected.
Further, optical lens adopts F number 1.4, focal length 50mm camera lens.
Further, the detector of Image Acquisition circuit module is 128 line array CCDs; Image Acquisition circuit module comprises: 128 yuan of single-row line array CCDs and image capture module and data storage and transport module.
Further, the TSM25G-1S ultraprecise translation stage of realizing the manual micrometric displacement imaging of directions X is set.
Further, the accurate lifting table of TSMV5-1A of realizing the manual micrometric displacement imaging of Y-direction is set.
Further, the TSA200-A electronic control translation stage of realizing the automatic push-scanning image of directions X is set.
The experimental provision that SRR provided by the invention applies in scanning imaging system, simply, flexibly by changing electronic control translation stage sweep velocity, regulate two-dimentional fine adjustment mechanism, can obtain the multiple image of the mutual sub-pixel displacement of the single image of different sample frequency, identical sample frequency.
Accompanying drawing explanation
Fig. 1 is the experimental provision structural representation that SRR that the embodiment of the present invention provides applies in scanning imaging system;
In figure: 1, optical lens; 2, Image Acquisition circuit module; 3, accurate lifting table; 4, ultraprecise translation stage; 5, electronic control translation stage; 6, image re-construction system.
Embodiment
In order to make object of the present invention, technical scheme and advantage clearer, below in conjunction with embodiment, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Below in conjunction with drawings and the specific embodiments, application principle of the present invention is further described.
As shown in Figure 1, the experimental provision that the SRR of the embodiment of the present invention applies in scanning imaging system is mainly comprised of optical lens 1, Image Acquisition circuit module 2, accurate lifting table 3, ultraprecise translation stage 4, electronic control translation stage 5, image re-construction system 6;
Optical lens 1 connects for obtain the Image Acquisition circuit module 2 of image by detector, electronic control translation stage 5 is arranged on the bottommost of application apparatus, ultraprecise translation stage 4 is arranged on electronic control translation stage 5, accurate lifting table 3 is arranged on ultraprecise translation stage 4, Image Acquisition circuit module 2 by USB interface data line with for rebuilding the image re-construction system 6 of image, be connected;
Optical lens 1 adopts NIKONF number 1.4, focal length 50mm optical lens; The detector of Image Acquisition circuit module 2 is 128 line array CCDs, and Image Acquisition circuit module 2 comprises: 128 yuan of single-row line array CCDs and image capture module and data storage and transport module;
Optical lens 1 is fixed on the two-dimentional micro-adjusting mechanism of accurate lifting table 3 and ultraprecise translation stage 4 formations with the scanning camera that Image Acquisition circuit module 2 forms, two dimension micro-adjusting mechanism is fixed on electronic control translation stage 5, and Image Acquisition circuit module 2 is connected with image re-construction system 6 by USB interface data line;
Optical lens 1 is NIKON F number 1.4, focal length 50mm camera lens; Two dimension micro-adjusting mechanism is constituted with the accurate lifting table 3 of TSMV5-1A by the ultraprecise translation stage 4 of TSM25G-1S, can X, the manual micrometric displacement of Y-direction; TSA200-A electronic control translation stage 5 can be realized the automatic push-scanning image of directions X, pushes away the speed of sweeping adjustable, its key technical indexes: stroke: 200mm; Resolution: 2.5 μ; Maximal rate: 40mm/sec; Repetitive positioning accuracy < 3 μ.
The key technical indexes of the accurate lifting table 3 of TSMV5-1A:
Drive: micrometer; Precision 3 μ m; Minimum scale 5 μ m; Resolution: 1 μ m.
The key technical indexes of TSM25G-1S ultraprecise translation stage 4: motion straightness < 2 μ m; Plane of movement degree < 2 μ m.
128 yuan of single-row linear array TCD1001P of pixel dimension 32um * 32um, integral time t=1ms.
The important technological parameters of application apparatus of the present invention:
The F number of optical lens 1: 1.4, focal length: 50mm;
Instantaneous field of view angle: 640 μ rad * 640 μ rad;
Maximum sweep rate: 40mm/sec;
Maximum sample frequency: 1KHz.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any modifications of doing within the spirit and principles in the present invention, be equal to and replace and improvement etc., within all should being included in protection scope of the present invention.
Claims (6)
1. the experimental provision that SRR applies in scanning imaging system, it is characterized in that, the experimental provision that this SRR applies in scanning imaging system comprises: optical lens, Image Acquisition circuit module, accurate lifting table, ultraprecise translation stage, electronic control translation stage, image re-construction system;
Optical lens connects for obtain the Image Acquisition circuit module of image by detector, electronic control translation stage is arranged on the bottommost of application experiment device, ultraprecise translation stage is arranged on electronic control translation stage, accurate lifting table is arranged on ultraprecise translation stage, Image Acquisition circuit module by USB interface data line with for rebuilding the image re-construction system of image, be connected.
2. the experimental provision that SRR as claimed in claim 1 applies in scanning imaging system, is characterized in that, optical lens adopts F number 1.4, focal length 50mm camera lens.
3. the experimental provision that SRR as claimed in claim 1 applies in scanning imaging system, is characterized in that, the detector of Image Acquisition circuit module is 128 line array CCDs; Image Acquisition circuit module comprises: 128 yuan of single-row line array CCDs and image capture module and data storage and transport module.
4. the experimental provision that SRR as claimed in claim 1 applies in scanning imaging system, is characterized in that, the TSM25G-1S ultraprecise translation stage of realizing the manual micrometric displacement imaging of directions X is set.
5. the experimental provision that SRR as claimed in claim 1 applies in scanning imaging system, is characterized in that, the accurate lifting table of TSMV5-1A of realizing the manual micrometric displacement imaging of Y-direction is set.
6. the experimental provision that SRR as claimed in claim 1 applies in scanning imaging system, is characterized in that, the TSA200-A electronic control translation stage of realizing the automatic push-scanning image of directions X is set.
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| CN201310700978.4A CN103698771A (en) | 2013-12-17 | 2013-12-17 | Experimental apparatus applying SRR in scanning imaging system |
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| CN201310700978.4A CN103698771A (en) | 2013-12-17 | 2013-12-17 | Experimental apparatus applying SRR in scanning imaging system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108259749A (en) * | 2018-02-05 | 2018-07-06 | 西安工业大学 | A kind of auto-focusing experimental system |
| CN112198652A (en) * | 2020-09-09 | 2021-01-08 | 安徽九陆生物科技有限公司 | Inverted automatic slide scanner device and using method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108259749A (en) * | 2018-02-05 | 2018-07-06 | 西安工业大学 | A kind of auto-focusing experimental system |
| CN112198652A (en) * | 2020-09-09 | 2021-01-08 | 安徽九陆生物科技有限公司 | Inverted automatic slide scanner device and using method thereof |
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Application publication date: 20140402 |