In infrared, particularly longwave infrared remote sensing system, the NETD is one of the most important performance parameters.In the infrared pushbroom systems of satellites, the multiple sampling technology is widely used to improve the performance of systems. This article introduces the parameters that influence the NETD of infrared pushbroom systems, proves that the multiple sampling technology can remarkably reduce the NETD, and gives a principle of choosing integrating time and sampling times when the resident time of system is fixed. By experiments of a shortwave infrared camera, it is proved that the multiple sampling technology can
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蔡海蛟,危峻,徐蒙.多次采样技术在红外推扫系统中的分析与应用[J].激光与红外,2007,37(7):644~646 CAI Hai-Jiao, WEI Jun, XU Meng. Analysis and Application of Multiple Sampling Technology in Infrared Pushbroom System[J]. LASER & INFRARED,2007,37(7):644~646