Design and Implementation of FIR Digital Filter
Zhan Xuemei
Abstract
Zhan Xuemei
Abstract
In digital signal processing,the digital filter is a widely used signal processing component.In this paper,we firstly analyze the structural feature of FIR (Finite Impulse Response) digital filter and obtain the filter design method which can meet the system requirements.And then we use the MATLAB tools software to design and simulate the FIR digital filter in terms of the digital filter specifications required by engineering.In order to obtain the best filter parameters,we can adjust the filter parameters according to the amplitude-frequency and phase-frequency characteristic output by filter.Finally,the designed FIR digital filter is implemented by using DSP chip.
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In digital signal processing,the digital filter is a widely used signal processing component.In this paper,we firstly analyze the structural feature of FIR (Finite Impulse Response) digital filter and obtain the filter design method which can meet the system requirements.And then we use the MATLAB tools software to design and simulate the FIR digital filter in terms of the digital filter specifications required by engineering.In order to obtain the best filter parameters,we can adjust the filter parameters according to the amplitude-frequency and phase-frequency characteristic output by filter.Finally,the designed FIR digital filter is implemented by using DSP chip.
Key concepts: Filter design, Half-band filter, Digital filter, Adaptive filter, Root-raised-cosine filter, Voltage-controlled filter, Electronic engineering, Computer science