Explore MATLAB source code curated for "频域变换" with clean implementations, documentation, and examples.
Preprocessing techniques for mechanical vibration signals including filtering methods, frequency domain transformations, and practical implementation approaches with algorithm explanations
Implementation of 1D Fast Fourier Transform using butterfly algorithm for frequency domain conversion; 2D FFT extends this foundation by applying two successive 1D FFT operations - first along rows then columns.
Implementation of a compression program using Discrete Cosine Transform (DCT) in MATLAB with comprehensive code workflow explanation