$$H_0（z）＝b_0+b_1{z}^{-1}+\mathrm{.．.}+b_N{z}^{-N}$$

$$H_0（z）＝\begin{array}{c}（b_0+b_{米}{z}^{-米}+b_{2米}{z}^{-2米}+\mathrm{．．}+b_{N-米+1}{z}^{-（N-米+1）}）+\\ z^{-1}（b_1+b_{米+1}{z}^{-米}+b_{2米+1}{z}^{-2米}+\mathrm{．．}+b_{N-米+2}{z}^{-（N-米+1）}）+\\ \begin{array}{c}⋮\\ z^{-（米-1）}（b_{米-1}+b_{2米-1}{z}^{-米}+b_{3.米-1}{z}^{-2米}+\mathrm{．．}+b_N{z}^{-（N-米+1）}）\end{array}\end{array}$$

$$H_0（z）＝E_0（z^{米}）+z^{-1}{E}_1（z^{米}）+\mathrm{.．.}+z^{-（米-1）}{E}_{米-1}（z^{米}）$$

$$H_k（z）＝h_0+h_1{e}^{jwk}{z}^{-1}+h_2{e}^{j2wk}{z}^{-2}\mathrm{.．.}+h_N{e}^{jNwk}{z}^{-N}$$

$$H_k（z）＝［1e^{j{w}_k}{e}^{j2w_k}\mathrm{.．.}{e}^{j（米-1）w_k}］［\begin{array}{c}{E}_0（z^{米}）\\ z^{-1}{E}_1（z^{米}）\\ ⋮\\ z^{-（米-1）}{E}_{米-1}（z^{米}）\end{array}］$$

$$H（z）＝［\begin{array}{c}\begin{array}{lllll}1\hfill & 1\hfill & 1\hfill & \mathrm{.．.}\hfill & 1\hfill \end{array}\\ \begin{array}{lllll}1\hfill & e^{j{w}_1}\hfill & e^{j2w_1}\hfill & \mathrm{.．.}\hfill & e^{j（米-1）w_1}\hfill \end{array}\\ ⋮\\ \begin{array}{lllll}1\hfill & e^{j{w}_{米-1}}\hfill & e^{j2w_{米-1}}\hfill & \mathrm{.．.}\hfill & e^{j（米-1）w_{米-1}}\hfill \end{array}\end{array}］［\begin{array}{c}{E}_0（z^{米}）\\ z^{-1}{E}_1（z^{米}）\\ ⋮\\ z^{-（米-1）}{E}_{米-1}（z^{米}）\end{array}］$$

$$H（z）＝［\begin{array}{c}\begin{array}{lllll}1\hfill & 1\hfill & 1\hfill & \mathrm{.．.}\hfill & 1\hfill \end{array}\\ \begin{array}{lllll}1\hfill & e^{j{w}_1}\hfill & e^{j2w_1}\hfill & \mathrm{.．.}\hfill & e^{j（米-1）w_1}\hfill \end{array}\\ ⋮\\ \begin{array}{lllll}1\hfill & e^{j{w}_{米-1}}\hfill & e^{j2w_{米-1}}\hfill & \mathrm{.．.}\hfill & e^{j（米-1）w_{米-1}}\hfill \end{array}\end{array}］［\begin{array}{c}{E}_0（z）\\ E_1（z）\\ ⋮\\ E_{米-1}（z）\end{array}］$$