数字滤波器在定点DSP上的实现 |
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作者姓名: | 文玮玮 董金明 |
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作者单位: | 北京航空航天大学电子工程系 北京100083
(文玮玮),北京航空航天大学电子工程系 北京100083(董金明) |
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摘 要: | 介绍 FIR(Finite Impulse Response)和 IIR(Infinite Impulse Response)数字滤波器的网络结构及其在定点 DSP(Digital Signal Processing)上的实现方法 ,同时对定点 DSP软件设计中的关键问题——定标作了详细的阐述 ,并以二阶 IIR滤波器为例介绍定标的方法
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关 键 词: | +定点DSP 数字滤波器 FIR IIR 定标 数字信号处理 |
Implementation of Digital Filter for Fixed-Point DSP |
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Authors: | Wen Weiwei Dong Jinming |
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Institution: | Wen Weiwei Dong Jinming |
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Abstract: | The method and skills of the implementation of the FIR or IIR digital filter with different network structure are introduced .Some example programs on a fixed point DSP (Digital Signal Processing),Motorola DSP563xx,are given.Scaling,the key in programming fixed point DSP is analyzed in detail.As an example,the systematic procedure for scaling a second order IIR filter is presented,which is used as the basic building block of a higher order filter. |
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Keywords: | Fixed Point DSP Digital filter FIR IIR Scaling Digital Signal Processing |
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