ex1_1 单位冲激序列

ex1_2 右移20的单位冲激序列

ex1_3 单位阶跃序列

ex1_4 实指数序列

ex1_5 复指数序列

ex1_6 随机序列

ex1_7 系统冲激响应（impz函数）

ex1_8 系统传递函数（freqz函数）

ex1_9 零极点增益

ex1_10 residuez函数应用

ex1_11 Lattice结构全极点IIR系统

ex1_12 Lattice结构全零点FIR系统

ex1_13 Lattice结构零极点结构

-ex1_1 unit impulse sequence ex1_2 right 20 unit impulse sequence ex1_3 unit step sequence ex1_4 real exponential sequence ex1_5 complex exponential sequence ex1_6 random sequence ex1_7 system impulse response (impz function) ex1_8 system transfer function (freqz function) ex1_9 pole-zero Gain ex1_10 residuez function application ex1_11 Lattice structure all-pole IIR systems ex1_12 Lattice structure of all-zero FIR system ex1_13 Lattice structure of zero-pole structure