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大周长面积比延伸波长InGaAs红外焦平面噪声 被引量:4
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作者 黄松垒 张伟 +2 位作者 黄张成 许中华 方家熊 《红外与毫米波学报》 SCIE EI CAS CSCD 北大核心 2012年第3期235-238,共4页
在理论上分析了红外焦平面组件中光敏元、读出电路以及两者耦合的总噪声特性,对大周长面积比(38×500μm2)延伸波长InGaAs组件的噪声与温度、积分时间的关系进行了实验和分析.实验结果指出,在一定条件下组件噪声与积分时间的根号并... 在理论上分析了红外焦平面组件中光敏元、读出电路以及两者耦合的总噪声特性,对大周长面积比(38×500μm2)延伸波长InGaAs组件的噪声与温度、积分时间的关系进行了实验和分析.实验结果指出,在一定条件下组件噪声与积分时间的根号并不成正比.测量了不同温度下的组件暗信号、噪声,得到组件噪声与暗电流的关系,分析表明,该种组件噪声主要来自于1/f噪声及读出电路输入级电流噪声. 展开更多
关键词 延伸波长铟镓砷 焦平面噪声 积分时间
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Computer Simulation of Compensation Method for Infrared Focal Plane Array
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作者 康长赓 《Journal of Beijing Institute of Technology》 EI CAS 2000年第3期330-334,共5页
A major motivation for this work is to investigate a method of computer simulation for compensating fixed pattern noise of the infrared focal plane arrays. A mathematical model of the output signal of focal plane arra... A major motivation for this work is to investigate a method of computer simulation for compensating fixed pattern noise of the infrared focal plane arrays. A mathematical model of the output signal of focal plane array was established; a compensating algorithm utilizing reference source was derived and simulating programs were designed. The images of compensating process verify the influence of nonuniformity of responsibility and offset on fixed pattern noise. The result show that simulating method of investigating compensation technology for focal plane arrays is feasible, the generated images and methods can be used to the study of image recognition. 展开更多
关键词 computer simulation mathematical model infrared focal plane array fixed pattern noise NONUNIFORMITY COMPENSATION
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