基于FPGA的FIR滤波器的误差分析
기우FPGA적FIR려파기적오차분석
Error analysis of FIR filter based on FPGA
  • 万方数据
    电子测试 전자측시
    ELECTRONIC TEST
    2011年 8期 58-60 ,共3页

    吴黎慧%蒲南江%高磊%胡洋

    오려혜%포남강%고뢰%호양

    FPGA%FIR滤波器%误差分析 FPGA%FIR濾波器%誤差分析
    FPGA%FIR려파기%오차분석
    FPGA%FIR filter%Error analysis
    数字滤波器作为数字信号处理技术的重要组成部分之一,已广泛应用于信号分离、恢复、整形等重要场合。在工程实践中,往往要求对信号处理要有实时性和灵活性,而基于FPGA的FIR滤波器因其严格的线性相位和简单的设计步骤而应用广泛。本文不仅对基于FPGA设计的FIR滤波器进行了简单的误差分析,包括绝对误差与相对误差分析;而且还做出了该滤波器的频谱,通过与MATLAB中仿真出的频谱进行比较分析,验证了该滤波器在工程应用中是适应的,满足了设计的要求。
    수자려파기작위수자신호처리기술적중요조성부분지일,이엄범응용우신호분리、회복、정형등중요장합。재공정실천중,왕왕요구대신호처리요유실시성화령활성,이기우FPGA적FIR려파기인기엄격적선성상위화간단적설계보취이응용엄범。본문불부대기우FPGA설계적FIR려파기진행료간단적오차분석,포괄절대오차여상대오차분석;이차환주출료해려파기적빈보,통과여MATLAB중방진출적빈보진행비교분석,험증료해려파기재공정응용중시괄응적,만족료설계적요구。
    As one of the important components of digital signal processing technology,digital filter has been widely applied to separation,recovery,and plastic,and other important occasions.In engineering practice,often required to signal processing to have real-time and flexibility,and based on FPGA FIR filters are wide application for its strict linear phase and simple design procedure.This paper not only based on FPGA design of FIR filters simple error analysis,including the absolute error and relative error analysis,But also made the filter of spectrum,with MATLAB simulation through the comparison and analysis of spectrum,and verified the filter in engineering application is adaptive to meet the design requirements.
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