convolution in wave number domain

例句：

1. 2.
   在数学中
2. 3.
   在信号处理中
3. 1.The convolution of the wave fronts is responsible for the formation of the shock wave.
   波前卷积是形成激波的原因。
4. 2. In signal processing, convolution is a technique used to analyze signals by filtering them through a set of filters.
   在信号处理中，卷积是一种技术，通过一系列滤波器对信号进行分析。
5. 3. The convolution of two functions results in a third function that has properties similar to both original functions.
   两个函数的卷积会产生第三个函数，这个函数具有与原两个函数相似的性质。