线性相位FIR数字滤波器的CPLD实现
Implementation of a Linear Phase FIR Digital Filter with CPLD
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摘要: 介绍了线性相位滤波器的CPLD实现方法 ,给出了串、并结合的加法树CPLD的实现结构 ,并用VHDL语言和FLEX1 0K器件实现了线性相位数字滤波。结果表明 :这种实现方法扩展性好 ,灵活性强 ,速度快。Abstract: The realization method of a linear phase filter of finite impulse response (FIR) based on complex programmable logic device (CPLD) was introduced. This paper proposed a adder tree structure with CPLD, implemented linear phase FIR filter with VHDL language and FLEX10K device. The results showed that the method has a better application prospect, good expansibility, strong flexibility and high speed.
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Key words:
- digital filter /
- programmable logic device /
- digital signal processing
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