Explore MATLAB source code curated for "信号" with clean implementations, documentation, and examples.
A prototype program for estimating ECG signal frequency variations to differentiate between normal and abnormal cardiac rhythms, featuring signal processing algorithms and automated classification workflows.
Custom MATLAB implementation of RootMUSIC algorithm for high-resolution signal frequency estimation with eigenvalue decomposition approach
SAR Linear Frequency Modulated Signal Pulse Compression Simulation, including the impact of time-domain windowing on sidelobe levels in pulse-compressed signals!
A technical comparison of Wavelet Transform and Hilbert Transform algorithms when processing identical signal data, including implementation considerations and algorithm characteristics.
This compact program solves Duffing equations, analyzes chaotic states through phase portraits, and evaluates signal processing with noise injection capabilities
Feature extraction of rubbing fault signals based on wavelet transform enables visualization of original signals, shaft centerline orbits, frequency spectra, and reconstructed signals from multi-level wavelet decomposition with MATLAB implementation approaches
Implementing power spectral density estimation using both autocorrelation function method and periodogram approach with MATLAB code examples
(1) Signal wavelet decomposition for frequency analysis, (2) Threshold quantization of high-frequency coefficients from wavelet decomposition for noise reduction, (3) Signal reconstruction using decomposed wavelet coefficients and quantized high-frequency coefficients
A MATLAB program for GPS signal generation and acquisition that simulates GPS signals and tests receiver performance through signal capture algorithms.
Windowed transformation technique demonstrating Short-Time Fourier Transform (STFT) using Gaussian window functions with different scaling parameters, showing how window function variations impact time-frequency analysis results.