高斯脉冲的峰值频率。把各阶导函数的ESD作为α的函数，确定其峰值频率的数值。-Gaussian pulse of peak frequency. The derivative function of the ESD as a function of α, determine the frequency of its peak value.

求信号处理中的峰值信噪比，学通信与仪器的都可用-peak signal noise ratio