A new method of filter coefficient quantization
Du Yong
Dianzi Jishu Yingyong · 2019
doi:10.16157/j.issn.0258-7998.182027 (opens in a new tab)
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Abstract
The method of FIR filter coefficient quantization has influence not only on the filter performance, but also on the circuit system performance. Normal filter coefficient quantization method is analyzed, and a new method of filter coefficient quantization based on filter gain is proposed. A low pass filter based on the new quantization method is designed with MATLAB and implemented on FPGA. ModelSim simulation results show that the new method can improve the output signal′s amplitude and SNR effectively.
Abstract licence: CC BY-NC
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