Design and Realization of FIR Digital Filter Based on MATLAB
Shan Ren, Xin Zhao, Wen Bin Zhang
Abstract
Shan Ren, Xin Zhao, Wen Bin Zhang
Abstract
Digital filter is one of the most important parts of digital signal processing. This paper proposes the method of using window function to design FIR filter based on MATLAB, according to the design basic principle of FIR digital filter. Filtering processing for measured signal showed that filtering effect of the filter achieved the expected results.
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Digital filter is one of the most important parts of digital signal processing. This paper proposes the method of using window function to design FIR filter based on MATLAB, according to the design basic principle of FIR digital filter. Filtering processing for measured signal showed that filtering effect of the filter achieved the expected results.
Key concepts: Realization (probability), Half-band filter, Digital filter, MATLAB, Filter design, Window function, Filter (signal processing), Cascaded integrator–comb filter