The method is based on the traditional odd-even symmetry of filter coefficients,and reduces the multiplication in convolution by using the addition and the characteristic of proportional coefficients after quantifiying in the SystemView software.
该方法在传统的滤波器系数奇偶对称性的基础上,根据系数经SystemV iew软件量化后成比例的特点,利用加法运算来简化卷积中大量繁琐耗时的乘法运算;同时推导出奇偶对称性的运算规律并给出详细运算步骤和计算公式。
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