Program Matlab Gelombang Sinus Cos [PDF]

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1. Gelombang sinusoidal Cos Script program : Fs = 1000; dt = 1/Fs; StopTime = 1; t = (0:dt:StopTime)'; F= 20; v= 0.020 phase=135 x = v*cos(2*pi*Fc*t+phase);



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samples per second seconds per sample seconds seconds hertz amplitude (v) phase Sinusoidal wave



% Plot the signal figure; plot(t,x); Grid('on'); xlim([0 1]); ylim([-0.03 0.03]); title(['Sinyal Sinusoidal (Cos)',sprintf('\n'),'Frekuensi 20 Hz; Amplitudo 20mV']); xlabel('time (S)'); ylabel('Amplitude ( V )'); zoom xon;



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2. Gelombang sinusoidal Sin Script program : Fs = 1000; dt = 1/Fs; StopTime = 1; t = (0:dt:StopTime)'; F= 20; v= 0.020 phase=135 x = v*sin(2*pi*Fc*t+phase); % Plot the signal figure; plot(t,x);



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samples per second seconds per sample seconds seconds hertz amplitude (v) phase Sinusoidal wave



Grid('on'); xlim([0 1]); ylim([-0.03 0.03]); title(['Sinyal Sinusoidal (Sin)',sprintf('\n'),'Frekuensi 20 Hz; Amplitudo 20mV']); xlabel('time (S)'); ylabel('Amplitude ( V )'); zoom xon;



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3. Grafik Eksponensial menurun Script program : x= -2 : 0.1 : 2; %posisi signal yang ditampilkan tx=20 %titik potong x=0 y = (0.5.^x+tx-1); %fungsi grafik plot (x,y); grid on; ylim([18.5 23]); xlabel('Sumbu X'); ylabel('Sumbu Y'); title('Grafik Eksponensial');



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4. Sinyal Diskrit Cos Script program : Fs = 200; dt = 1/Fs; StopTime = 1; t = (0:dt:StopTime)';



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samples per second seconds per sample seconds seconds



%% Sine wave: Fc= 20; v= 0.020 phase=135 x = v*cos(2*pi*Fc*t+phase);



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hertz amplitude (v) phase Sinusoidal wave



% Plot the signal figure; stem(t,x); Grid('on'); xlim([0 0.05]); ylim([-0.03 0.03]) xlabel('time (S)'); ylabel('Amplitude ( V )') title(['Sinyal Diskrit (Cos)',sprintf('\n'),'Frekuensi 20 Hz, Amplitudo 20mV, N=10']); zoom xon;



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