A New Quantization Algorithm for FIR Filters Coefficients
Publish place: 20th Iranian Conference on Electric Engineering
Publish Year: 1391
نوع سند: مقاله کنفرانسی
زبان: English
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شناسه ملی سند علمی:
ICEE20_115
تاریخ نمایه سازی: 14 مرداد 1391
Abstract:
Quantization effect has a great impact on Digital Signal Processing Applications. Coefficients quantization is one of the three types of quantization that influences a response ofsystem including signal processing parts. Hardware implementation of FIR filters enforces designer to quantize theFIR filter coefficients, then a proper way of quantization is important. To reach this goal, they need to meet suitable quantized frequency response which has more similarity tofrequency response of infinite precision FIR filter. In this paper a new algorithm is described to quantize the coefficients ofdifferent types of FIR filters regardless of their method of designing. Also the conventional cascade form of implementing the FIR filters is modified in order to reach the better result ofquantization. Various FIR filters designed based on different design methods are analyzed in this paper. The implementationresults show that these two methods lead to better quantized FIR filters as compared to other algorithms
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Authors
Seyed Mohammad Ali Zeinolabedin
Isfahan University of Technology
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