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The Finite-Precision Numerical Effects Analysis of Infinite Impulse Response

DOI: 10.4236/oalib.1104719, PP. 1-12

Subject Areas: Multimedia/Signal processing, Computer Engineering

Keywords: Infinite-Impulse Response (IIR), Filter Design, Word Length, Error, Graphical User Interface (GUI)

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Abstract

This paper mainly uses the MATLAB software to design IIR digital filter with the amplitude frequency characteristic method and zero-pole method, and then analyzes the effect of coefficient quantization and quantization effects in IIR digital filter arithmetic. It is that we can use the software to draw some pictures. These pictures can show coefficient system function of IIR digital filter with a certain length to quantify the zero pole after the system distribution, frequency response, after quantizing the coefficients under the direct, parallel and cascade structures, as well as the limit cycle oscillation and the overflow oscillation of fixed-point operation in the quantization effect of operation are drawn.

Cite this paper

Nandintsetseg, G. and Sun, X. (2019). The Finite-Precision Numerical Effects Analysis of Infinite Impulse Response. Open Access Library Journal, 6, e4719. doi: http://dx.doi.org/10.4236/oalib.1104719.

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