Study on detection sensitivity of APS star tracker

LIU Jin-guo; LI Jie; HAO Zhi-hang

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Study on detection sensitivity of APS star tracker

Article | 更新时间：2020-08-12

- Study on detection sensitivity of APS star tracker
- Optics and Precision Engineering Vol. 14, Issue 4, Pages: 553-557(2006)
- 作者机构：
  
  1. 中国科学院长春光学精密机械与物理研究所,吉林长春,中国,130033
  2. 中国科学院研究生院北京,100039
  3. 长春大学电子信息工程学院,吉林长春,130022
- 作者简介：
- 基金信息：
- DOI：
  CLC： V448.22
- Received：12 September 2005，
  
  Revised：17 June 2006，
  
  Published：2006
- 稿件说明：
移动端阅览
刘金国, 李杰, 郝志航. APS 星敏感器探测灵敏度研究[J]. 光学精密工程, 2006,14(4): 553-557

LIU Jin-guo, LI Jie, HAO Zhi-hang. Study on detection sensitivity of APS star tracker[J]. Editorial Office of Optics and Precision Engineering, 2006,14(4): 553-557
刘金国, 李杰, 郝志航. APS 星敏感器探测灵敏度研究[J]. 光学精密工程, 2006,14(4): 553-557 DOI：

LIU Jin-guo, LI Jie, HAO Zhi-hang. Study on detection sensitivity of APS star tracker[J]. Editorial Office of Optics and Precision Engineering, 2006,14(4): 553-557 DOI：

摘要

从噪声中信号的检测理论着手

推导了恒星信号在有源像元传感器(APS)像面的响应电子数的表示方法

介绍了APS的主要噪声及噪声模型计算

得出了ASP星敏感器的信噪比

并用信噪比阈值推导出APS星敏感器的探测灵敏度模型。通过对典型APS IBIS5 的实例计算

得出在常规光学系统设计参数下

当信噪比阈值为8.1

探测概率为99.9%时

探测灵敏度可达到6.5星等。

Abstract

The expressions of Active Pixel Sensor(APS) detected star signal and APS noise were given

and Signal-noise Ratio (SNR) of star sensor was obtained. Based on the theory of inspecting signal from noise and optimal SNR threshold detection principle

the detection sensitivity model was established

and the corresponding APS star sensor detection limit was obtained based on APS IBIS5 and general optical system parameter.

关键词

Keywords

references

SCHMIDT U. Autonomous star tracker based on active pixel sensors (APS) [J]. European Space Agency, (Special Publication) ESA SP, 2004,554(6):355-358.[2] HOPKINSON G R,PURLL D J,ABBEY A F,et al. A short, active pixel array device in space missions[J]. Nuclear Instruments and Methods in Physics Research A,2003,513:327-331.[3] LIU L J,LI J G,XUE K,et al. CMOS APS imaging system application in star tracker[J]. SPIE,2005,5633:536-542.[4] 无线电公司(美). 电光学手册[M]. 北京:国防工业出版社,1978. Radio Company(USA). Electrooptics manual[M].Beijing:National Defence Industry Press,1978.(in Chinese)[5] 李杰. APS星敏感器关键技术的研究 . 中科院博士论文, 2005. LI J. Study on the key technology of APS star tracker .Graduate University of the Chinese Academy of Sciences,2005.(in Chinese)[6] TIAN H,FOWLER B,GAMAL A E.Analysis of temporal noise in CMOS photodiode active pixel sensor[J]. IEEE Journal of Solid-State Circuits, 2001,36(1):245-256.[7] 张晨, 陈朝阳, 沈绪榜. APS 星跟踪器探测灵敏度研究 . 光电工程,2004,31(10):17-20. ZHANG CH,CHEN ZH Y,SHEN X B.Study on detection sensitivity of APS star tacker . Photoelectricity Engineering,2004,31(10):17-20.(in Chinese)[8] IBIS5A-13000 Imager. http://www.fillfactory.com/htm/products/htm/ibis5.htm[Z].2005.

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