A Matrix-Oriented Approach for Analysis and Optimisation of Block Digital Filters
نویسنده
چکیده
Abstract : — Block Digital Filtering (BDF) is a well known method for fast digital ltering. Indeed, it decomposes the input signal into blocks and takes pro t of complexity reduction provided by the Fast Fourier Transform algorithm to considerably reduce the computational cost. In this paper, we propose a simple and ef cient matrixoriented approach to compute and visualize the frequency response of a BDF, as well as to optimise the BDF coef cients. This approach can be considered as an interesting alternative to the traditional overlap-save method, because it provides better frequency responses.
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