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Broad-dynamic filtering procedure for a recursive digital filter installed in a signal processor (DSP) operating with integers
Broad-dynamic filtering procedure for a recursive digital filter installed in a signal processor (DSP) operating with integers
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机译:安装在以整数操作的信号处理器(DSP)中的递归数字滤波器的广义动态滤波过程
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摘要
The present invention relates to a filtering procedure for recursive digital filters installed in signal processors (DSP) operating with integers. It comprises two calculation procedures coupled with the classical calculation procedure of a recursive filter, the first of which, when calculating the output value of the sample, takes into account the remainders of integer divisions by the scale factor, coming from calculating the output values for the previous samples, and the second of which replaces the default value from dividing the integer by a scale factor by the integer value closest to the result of actual division.
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