echo filter

• 回波滤波器

echo filter的用法和样例：

例句

1. Using the proposed entropy minimization rule, the parameters of the wavelet filter are optimized.
   采用最小熵方法对小波滤波器参数进行优化。
2. A new method for construction of multi-wavelet filter coefficients matrix using orthonormal expansion technique was proposed.
   摘要根据正交多小波的特点，提出了一种利用正交扩充来构造多小波滤波器系数矩阵的方法。