对比分析现有的各种CCD光电响应特性标定方法后，引入了利用小孔夫琅和费衍射标定CCD光电响应的方法。
A new calibration method, pinhole Fraunhofer diffraction method, was introduced after analysing several methods of calibrating CCDs photoelectric characteristics.
由于光电负阻器件具有双稳和自锁特性，这种非线性光耦合器具有响应保持功能。
With the bistability and self locking of the silicon photo negative resistance devices, these non linear photoisolators exhibit response maintaining function for the input signal.
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