4、滤波器,并对滤波器的性能进行了测试分析,结果表明:所设计的滤波器能有效实现滤波。关键词:IIR滤波器;DSP芯片;数字信号处理;模拟滤波器31TheDesignofIIRFilterBasedonDSPChipYueYaoGrade2011Electronic Information Science and TechnologyAbstract:DigitalSignalProcessingisanemergingdisciplineinvolves manydisciplineandiswidelyusedin manyfields.Inthee