基于多层感知器的带通FIR滤波器设计

Design of FIR Filters Based on Multi-layers Apperceive Implement

详细研究了多层感知器,分析了线性相位FIR带通滤波器的幅频响应与多层感知器的关系,改进了滤波器设计方法,给出了带通滤波器设计实例。该方法克服了传统方法的主要缺陷,具有优良的衰耗特性。仿真结果表明了该方法设计的FIR线性相位带通滤波器的性能接近理想滤波器。

Discusses the relations between the amplitude-frequency response of the FIR filters with linear phase and multi-layers apperceive implement, improves the methods of designing filters and gives the examples of designing band-pass filters. It conquers the primary disadvantages of the conventional methods, and has excellent attenuation characteristic. The simulation results show that the FIR band-pass filters with linear phase designed through this method have the ideal performance.