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>Efficient Allocation of Power-of-Two Terms in FIR Digital Filters Design Using Tabu Search
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Efficient Allocation of Power-of-Two Terms in FIR Digital Filters Design Using Tabu Search
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机译:使用禁忌搜索在FIR数字滤波器设计中有效分配二项幂
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摘要
This paper concerns the design of FIR filters using quantized coefficients belonging to a sum of signed power-of-two terms (SPT) domain. Unlike other SPT filter design approaches, we added a global constraint that a priori fixes the total number of shift registers; thus each coefficient can be represented using different precision. The difficult FIR filter design optimization task, is solved by a specific Tabu Search (TS) method. Several experimental results and comparisons with other well known approaches, demonstrate the effectiveness of this filter architecture and the proposed optimization algorithm
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