A Waveform Generator Designed Based on DSP Chip 01 Introduction In signal processing systems in fields such as communication, instrumentation, and control, sine waves and other waveform generators are frequently used. There are typically two methods to generate the desired waveforms. One method is to directly generate the waveform using algorithms (for example, a sine … Read more
✅ Author Introduction: A Matlab simulation developer passionate about research, skilled in data processing, modeling and simulation, program design, acquiring complete code, reproducing papers, and scientific simulations. 🍎 Personal Homepage:Matlab Research Studio 🍊 Personal Motto: Seek knowledge through investigation; feel free to DM for help. 🔥 Content Introduction As a core component of modern radar … Read more
clear all;load idealECG.mat;fs = 128;N = length(idealECG);t = (0:N-1)/fs; % SNR = 10;n_50 = 0.2 * sin(2 * pi * 50 * t);% nECG = awgn(idealECG,SNR,'measured')+n_50;% % save("nECG.mat","nECG");load nECG.mat; std(nECG-idealECG) std(nECG-idealECG-n_50) figure(1);subplot(2,1,1);plot(t,idealECG);xlim([5,10]);title('ideal ECG'); subplot(2,1,2);plot(t,nECG);xlim([5,10]);title("noisy ECG"); Scaler Kalman filter % Initialize the Kalman filter parametersA = 1; % State transition matrixH = 1; % Observation matrixR … Read more
Signal processing is one of the core technologies indispensable in fields such as electronic engineering, communication technology, and automation control. It not only relates to the acquisition, conversion, analysis, and expression of information but also directly affects the performance of systems and the effectiveness of applications. MATLAB, as a high-performance numerical computation and visualization software, … Read more