Problems of the classical convolution formula are pointed out.
并指出了原来经典折积公式中的问题。
The theoretic formula of apparent resistivity in horizontal, uniform bedded medium can be transformed into a convolution filtering expression.
水平均匀层状介质的视电阻率理论计算公式，可以转换成一种褶积滤波形式。
However, the use of convolution model is to deduce recursion formula of the reflection for the converted wave.
而利用褶积模型理论解决转换波问题的关键是建立转换波反射系数递推公式。
The essential of studying the forward and inverse problems of converted wave with the use of convolution model is to deduce recursion formula of the reflection coefficient.
利用褶积模型研究转换波正、反演问题的关键是建立转换反射系数递推公式。
We also introduce the numerical method of convolution and deconvolution, and give the calculation formula.
还介绍了褶积与逆褶积的数值计算方法，给出了计算公式。
The paper also advanced the method to achieve the convolution through FFT in digital filters and gave the improved formula to achieve FFT as well as the detailed programming steps.
提出了用FFT实现数字滤波中的卷积计算，给出了改进的快变计算公式及用汇编语言编程的具体方法。
The paper also advanced the method to achieve the convolution through FFT in digital filters and gave the improved formula to achieve FFT as well as the detailed programming steps.
提出了用FFT实现数字滤波中的卷积计算，给出了改进的快变计算公式及用汇编语言编程的具体方法。
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