13. Improving FIR Filter Coefficient Precision

  1. Richard G. Lyons
  1. Zhi Shen

Published Online: 11 JUN 2012

DOI: 10.1002/9781118316948.ch13

Streamlining Digital Signal Processing: A Tricks of the Trade Guidebook, Second Edition

Streamlining Digital Signal Processing: A Tricks of the Trade Guidebook, Second Edition

How to Cite

Shen, Z. (2012) Improving FIR Filter Coefficient Precision, in Streamlining Digital Signal Processing: A Tricks of the Trade Guidebook, Second Edition (ed R. G. Lyons), John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/9781118316948.ch13

Editor Information

  1. Besser Associates, Mountain View, California, USA

Author Information

  1. Huazhong University of Science and Technology, Hubei, R.O.C., China

Publication History

  1. Published Online: 11 JUN 2012
  2. Published Print: 22 JUN 2012

ISBN Information

Print ISBN: 9781118278383

Online ISBN: 9781118316948

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Keywords:

  • novel methods, precision improvement of fixed-point coefficients;
  • FIR filtering trick, low-amplitude coefficient wasted bits by significant bits;
  • filter coefficients in serial, coefficient sequence applied to multiplier;
  • actual FIR filter and serial method, phase linearity and parallel method

Summary

This chapter contains sections titled:

  • Traditional Fir Filtering

  • Serial Implementation

  • Serial Method Example

  • Parallel Implementation

  • Parallel Method Example

  • Computing Coefficient Bitwidths

  • Serial Method Coefficient Quantization

  • Parallel Method Coefficient Quantization

  • Conclusions

  • References