Optical imaging technology of JL-1 lightweight high resolution multispectral remote sensing satellite

Wei XU; Guang JIN; Jia-qi WANG

doi:10.3788/OPE.20172508.1969

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Optical imaging technology of JL-1 lightweight high resolution multispectral remote sensing satellite

Modern Applied Optics | 更新时间：2020-07-07

- Optical imaging technology of JL-1 lightweight high resolution multispectral remote sensing satellite
- Optics and Precision Engineering Vol. 25, Issue 8, Pages: 1969-1978(2017)
- 作者机构：
  
  中国科学院长春光学精密机械与物理研究所小卫星技术国家地方联合工程研究中心, 吉林长春 130033
- 作者简介：
- 基金信息：
- DOI：10.3788/OPE.20172508.1969
  CLC： V474.2;TH74
- Received：22 February 2017，
  
  Accepted：14 April 2017，
  
  Published：25 August 2017
- 稿件说明：
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Wei XU, Guang JIN, Jia-qi WANG. Optical imaging technology of JL-1 lightweight high resolution multispectral remote sensing satellite[J]. Optics and precision engineering, 2017, 25(8): 1969-1978.
DOI：

Wei XU, Guang JIN, Jia-qi WANG. Optical imaging technology of JL-1 lightweight high resolution multispectral remote sensing satellite[J]. Optics and precision engineering, 2017, 25(8): 1969-1978. DOI： 10.3788/OPE.20172508.1969.

摘要

为了实现吉林一号光学遥感卫星轻量化设计与高分辨率多光谱多模式成像，采用星载一体化设计理念及敏捷多模式成像策略，完成了吉林一号卫星的指标、方案及关键技术的设计与在轨多模式光学成像。吉林一号整星的质量为450 kg，有效载荷比高达40%，机动能力达2.1（°）/s，可实现大侧摆、同轨立体与条带拼接等多模式成像，结合星上800 GB的FLASH存储能力和X波段双通道600 Mbps的数据传输能力，卫星每天可获取近150 000 km

的图像数据。吉林一号轻型高分辨率光学卫星于2015年发射入轨，运行在656 km太阳同步轨道，地面全色和多光谱分辨率分别优于0.72 m和2.88 m，满足多行业应用及商业化运营的需求。

Abstract

In order to realize light-weight design as well as multi-spectral and multi-mode imaging with high resolution of JL-1 optical remote sensing satellite

advanced integration design method and payload centric concept were adopted

thus indexes

scheme and key techniques of JL-1 were given and in-orbit multi-mode optical imaging was achieved. The mass of JL-1 is approximately 450 kg

the payload ratio reaches 40% and the attitude maneuver speed of JL-1 can be 2.1 (°)/s

which enable stereo and piece imaging. With the capacity of 800 GB on-board FLASH storage and double X band 600 Mbps telemetry

JL-1 satellite can collect up image data over nearly 150

000 km

daily. The satellite was launched in 2015

and can collect images with resolutions of 0.72 m (PAN) and 2.88 m (MS) in 656 km sun synchronous orbit

which meet the requirements of commercial movements.

关键词

Keywords

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