Explore MATLAB source code curated for "正弦信号" with clean implementations, documentation, and examples.
MATLAB implementation of Kalman filter demonstrating filtering results for sinusoidal signals contaminated with Gaussian white noise, including a standalone Kalman filter program that can be directly used in various applications
This article explores the fundamental concepts and practical implementation of Kalman filtering using a simple sinusoidal signal, providing hands-on experience to better understand the algorithm's principles and applications through code examples and state estimation techniques.
Blind Source Separation Algorithm capable of extracting original signals from mixed signals. Verified with MATLAB: The program successfully separates sinusoidal signals and random noise signals from their mixture. The implementation ensures correct execution through comprehensive testing and includes signal generation, mixing matrix configuration, and separation performance evaluation.
Implementing phase estimation for sinusoidal signals through phase difference method, with analysis of SNR and FFT length impacts on estimation accuracy.
Digital phase-shift signal generators can produce sine signals at preset frequencies, generate dual-channel same-frequency sine waves with predefined phase differences, and display preset frequency or phase difference values. These devices typically implement Direct Digital Synthesis (DDS) algorithms through FPGA or microcontroller programming, utilizing phase accumulators and lookup tables for precise waveform generation.
Calculate the apFFT digital all-phase signal spectrum for sinusoidal signals and create visualizations using plotting libraries
Performing FFT transformation on sine wave signals to plot spectrum diagrams and conduct spectral analysis, enabling signal-to-noise ratio calculation with MATLAB code implementation
Implementation of spectral analysis for sine waves, rectangular signals, and white noise using MATLAB's FFT function with code-based parameter configuration and algorithm explanations
Separating chaotic sequences from sinusoidal signals or denoising noisy chaotic time series through phase space local projection, with algorithm implementation insights including trajectory segmentation and signal reconstruction techniques.
Design function for the NCO module used to generate sine and cosine signals with configurable frequency and phase parameters