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本文探讨红外监视系统接收机电路的实际设计,提出了一个能取得大信号探测率的设计程序并以简易例子加以说明,设计滤波电路时考虑到探测器元件的非白噪声和第一级的放大。还考虑到信号探测率、精度、分辨力和背景抑制之间的折衷问题。
This paper discusses the actual design of receiver circuit of infrared surveillance system, puts forward a design program that can achieve large signal detection rate and illustrates with a simple example. When designing the filter circuit, the non-white noise of detector element and the amplification of the first stage . The compromise between signal detection rate, accuracy, resolution, and background suppression is also taken into account.