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借助脉冲的等效时间复参数讨论了Ｓｅｃｈ型光脉冲通过光纤─光栅对系统后的传输和变换特性，给出了脉冲压缩的最佳条件，为处理非高斯型光脉冲经过线性系统的传输提供了一种有效的方法。
The transmission and transformation characteristics of Sech-type optical pulse after passing through the fiber-grating pair system are discussed by means of the equivalent parameters of the pulse. The optimal condition of pulse compression is given, which is provided for the transmission of non-Gaussian optical pulses through the linear system An effective method.