ppplot.m

二阶锁相环 m 文件

kz = 0;
while kz ==0
    k = menu('Phase Plane Options',...
        'Extended Phase Plane',...
        'Phase Plane mod(2pi)',...
        'Exit Phase Plane Menu');
    if k == 1
        phierrn = phierror/pi;
        plot(phierrn,freqerror,'k')
        title('Phase Plane Plot')
         xlabel('Phase Error /pi'); ylabel('Frequency Error - Hertz')
         grid
         pause
    elseif k == 2
        pplane(phierror,freqerror,nsettle+1)
        pause
    elseif k == 3
        kz = 1;
    end
end