Unlock instant, AI-driven research and patent intelligence for your innovation.

Rotation-Based Large Wide Optical Imaging System

An optical imaging system and imaging technology, applied in optics, wide-screen photography, instruments, etc., can solve the problems of unfavorable satellite cost control, light and miniaturization, and increase the difficulty of load design, and achieve the effect of taking into account the width and resolution.

Active Publication Date: 2019-06-04
SHANGHAI ENG CENT FOR MICROSATELLITES
View PDF5 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing satellite imaging system achieves the shooting width through the swing of the imaging camera, so the resolution and the width of the existing satellite imaging system are two indicators that are difficult to take into account. The cooperation of large-scale detectors greatly increases the difficulty of payload design, which is not conducive to the cost control and miniaturization of satellites

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Rotation-Based Large Wide Optical Imaging System
  • Rotation-Based Large Wide Optical Imaging System
  • Rotation-Based Large Wide Optical Imaging System

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0020] Such as figure 1 As shown, in this embodiment, an imaging camera is used, and the imaging camera is directly connected to the satellite platform, and the satellite platform is connected to the sailboard. The format size of a single camera imaging sub-satellite points is A×B (the length in the direction through the orbit × the length in the direction along the orbit), the radius of the earth is R, the altitude of the satellite orbit is H, and the flight speed of the satellite is V. In order to achieve a width of For the large and wide observation requirements of L, the inclination angle between the boresight of the camera and the axis of the satellite to the earth is required to be:

[0021] In order to ensure that there is no omission in the imaging coverage area, the imaging camera is required to rotate one circle, and the forward distance of the satellite cannot be greater than B, because only one camera is used for rotational imaging, and the rotational speed of th...

no. 2 example

[0023] Such as figure 2 As shown, the imaging camera includes a first camera 1 and a second camera 2, and the imaging camera is an area scan camera. When two cameras are used, the two cameras are installed symmetrically, the plane where the boresight of the cameras is located is parallel to the earth axis of the satellite, and the included angle between the boresight of the camera and the earth axis of the satellite is

[0024] In other embodiments of the present invention, the number of imaging cameras and installation parameters can also be adaptively modified according to application requirements. The imaging cameras can be set as two symmetrical cameras, three cameras distributed in an equilateral triangle, non- Several cameras that evenly deflect in the same direction, etc., the core is that the camera boresight is installed at a certain angle to the star’s axis of the earth, and the circular or fan-shaped area is covered by the 360-degree rotation of the rotating mech...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The present invention provides an optical imaging system. The present invention provides an optical imaging system comprising: a satellite and an imaging camera. The angle between the boresight of the imaging camera and the satellite's ground axis is greater than 0°. During the imaging process, the camera rotates around the satellite's ground axis.

Description

technical field [0001] The invention relates to the technical field of optical remote sensing imaging, in particular to a large-width optical imaging system based on rotation. Background technique [0002] The development trend of optical remote sensing satellites is large width and high resolution. The existing satellite imaging system achieves the shooting width through the swing of the imaging camera, so the resolution and the width of the existing satellite imaging system are two indicators that are difficult to take into account. The cooperation of large-scale detectors greatly increases the difficulty of payload design, which is not conducive to the cost control and miniaturization of satellites. The main advantage of the solution proposed by the present invention is that it avoids the use of ultra-large-scale detectors and reduces the design difficulty of a camera with a large field of view. Contents of the invention [0003] The problem solved by the invention is...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): G03B37/02G03B37/04G01C11/02
CPCG03B37/02G03B37/04G01C11/02
Inventor 尹增山高爽李华李平付
Owner SHANGHAI ENG CENT FOR MICROSATELLITES
Features
  • R&D
  • Intellectual Property
  • Life Sciences
  • Materials
  • Tech Scout
Why Patsnap Eureka
  • Unparalleled Data Quality
  • Higher Quality Content
  • 60% Fewer Hallucinations
Social media
Patsnap Eureka Blog
Learn More

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2025 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com