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根据信息论基本原理,讨论了电光成象系统等效带宽和信噪比链及其在传递图象信息中的作用。列举了若干电光成象器件等效光学带宽与极限分辨力的关系,提出了划分电光成象系统信噪比链各环节的另一种方法,给出了相应的表达式。
According to the basic theory of information theory, the equivalent bandwidth and SNR chain of electro-optic imaging system and its role in transmitting image information are discussed. The relationship between the equivalent optical bandwidth and the limit resolution of several electro-optic imaging devices is listed. An alternative method of dividing the signal to noise ratio chain of electro-optic imaging system is proposed. Corresponding expressions are also given.