（1）设计一个直接型二阶低通数字滤波器。 （2）在DSP TMS320C5402上实现IIR滤波。 （3）对IIR滤波器各项指标进行评价 -(1) design a second direct-digital low-pass filter. (2) on the TMS320C5402 DSP IIR filter. (3) right IIR filter evaluation indicators

IIR数字滤波器设计。其中涉及到Matlab软件中IIR的参数设计及CCS中的软件仿真及硬件仿真程序-IIR digital filter design. Involving IIR Matlab software design and the parameters of the CCS software simulation and hardware simulation program

5509A开发板无限冲激响应滤波器算法实验，帮助掌握IIR的原理和方法，熟悉特性，了解IIR数字滤波器的设计方法-5509A development board infinite impulse response filter algorithm experiments, help to master the principles and methods of IIR, familiar with the characteristics, understanding the design of