数字信号处理实验三

实验内容及结果1代码：a=[12*wc2*wc^2wc^3];gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az G4.547e-16+0.5813z^-1+0.2114z^-1-0.3984z^-1+0.2475z^-2-0.04321z^-Sampletime:0.1secondsDiscrete-timetransferfunction.1

PhaseofPhaseofGroup100010 010 2①：gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az - G0.000631z^-1+0.0101z^-2+0.01614z^-3+0.004101z^-4+0.0001033z^-1-3.364z^-1+5.068z^-2-4.276z^-3+2.107z^-4-0.5706z^-5+0.06607z^-Sampletime:0.1secondsDiscrete-timetransferfunction. 0

PhaseofPhaseofGroup

gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az G0.005373z^-1+0.0181z^-2+0.003985z^-1-3.059z^-1+3.832z^-2-2.292z^-3+0.5495z^-Sampletime:0.1secondsDiscrete-timetransferfunction.

0

PhaseofPhaseofGroup05

gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az G-0.4214+0.9724z^-1-0.8119z^-2+0.4205z^-3+1.663e-06z^-1-1.666z^-1+1.429z^-2-0.5193z^-3+0.09352z^-Sampletime:0.1secondsDiscrete-timetransferfunction. 0

PhaseofPhaseofGroup

gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az G0.1855+0.04956z^-1+0.04956z^-2+0.1855z^-1-1.411z^-1+1.236z^-2-0.3549z^-Sampletime:0.1secondsDiscrete-timetransferfunction. 0

PhaseofPhaseofGroup05

a=[12*wc2*wc^2wc^3];gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)');ylabel('|H(e^j^\omega)|');gridon;xlabel('\omega(\pi)'),ylabel('PhaseofH(e^j^\omega)');gridon;xlabel('\omega(\pi)'),ylabel('Groupdelay');bz az G0.1057z^-1+0.06633z