title ( 'Amplitude Modulated signal'); [YfreqDomain,frequencyRange] = centeredFFT(y,Fs); subplot(3,2,6) stem(frequencyRange,abs(YfreqDomain)); 满调制的效果如下: 通过调节Ka的值,可以控制调制深度 Ka<1时为欠调制,效果如下: Ka>1时为过调制,效果如下: 双边带调制(DSB) 在幅度调制中,载波分量并...
Amplitude demodulation collapse all in pageSyntax z = amdemod(y,Fc,Fs) z = amdemod(y,Fc,Fs,ini_phase) z = amdemod(y,Fc,Fs,ini_phase,carramp) z = amdemod(y,Fc,Fs,ini_phase,carramp,num,den)Description z = amdemod(y,Fc,Fs) returns a demodulated signal z, given the input...
ylabel('Amplitude'); subplot(3, 1, 2); plot(t, AM_signal); title('AM Modulated Signal'); xlabel('Time (s)'); ylabel('Amplitude'); % Demodulation using envelope detection demodulated_signal = abs(hilbert(AM_signal)) - 1; % Subtract 1 to remove the DC offset % Normalize the demodu...
Apply pulse amplitude demodulation to the noisy modulated data. demodData = pamdemod(noisyData,M,0,"gray"); Determine the number of symbol errors in the demodulated data. symErrors = symerr(dataIn,demodData) symErrors = 1 Input Arguments ...
% Adjust for propagation delay. tcc = tc + Delay .* Fd; txx = tx + Delay .* Fd; % figure(5) figure; stem(txx, x, 'kx'); hold on; plot(tcc, yc, 'm-',tr, yr, 'b-'); hold off; axis([0 30 -1.6 1.6]); xlabel('Time'); ylabel('Amplitude'); % --- % This step...
Quadrature Amplitude Modulation with Bit Inputs Modulate a sequence of bits using 64-QAM. Pass the signal through a noisy channel. Display the resultant constellation diagram. Set the modulation order, and determine the number of bits per symbol. ...
% Adjust for propagation delay. tcc = tc + Delay .* Fd; txx = tx + Delay .* Fd; % figure(5) figure; stem(txx, x, 'kx'); hold on; plot(tcc, yc, 'm-',tr, yr, 'b-'); hold off; axis([0 30 -1.6 1.6]); xlabel('Time'); ylabel('Amplitude'); ...
Amplitude Modulation/Demodulation in Matlab Simulates the Amplitude Modulation and demodulation in Matlab 14년 초과 전 | 다운로드 수: 3 | 제출됨 Speech Coding Using Sub-Bands Speech Coding Using Sub-Bands 대략 16년 전 | 다운로드 수: 1 | 제출됨 ...
% Adjust for propagation delay. tcc = tc + Delay .* Fd; txx = tx + Delay .* Fd; % figure(5) figure; stem(txx, x, 'kx'); hold on; plot(tcc, yc, 'm-',tr, yr, 'b-'); hold off; axis([0 30 -1.6 1.6]); xlabel('Time'); ylabel('Amplitude'); ...
4.3.5不同进制调制的眼图对比 28 4.4 16QAM与MQAM的性能对比 30 总结与展望 31 致谢 32 参考文献 33 附录 34 word完美格式 第一章:绪论 1.1QAM(Quadrature Amplitude Modulation)背景、研究目的及意义随着频带资源的日益减少,加上用户数量不断增加对业务需求量不断提高,在剩余的频带中,如何充分利用频带,成为迫在...