Explore MATLAB source code curated for "调制解调" with clean implementations, documentation, and examples.
MATLAB simulation implementing UWB communication with BPSK modulation and demodulation for transmitter and receiver systems, including signal encoding, transmission, and decoding processes.
Implementation of Frequency Shift Keying (FSK) modulation and demodulation featuring two distinct detection approaches: coherent detection requiring phase synchronization and non-coherent detection using energy discrimination
MATLAB implementation of 16QAM modulation and demodulation with constellation diagram visualization for signal transmission and reception analysis
MATLAB implementation of OFDM underwater acoustic communication system with acoustic synchronization header, featuring OFDM modulation and demodulation capabilities with detailed code structure and algorithm explanations
Implementation of 4FSK modulation and demodulation simulation in MATLAB with raised-cosine filters for both transmit and receive filtering operations
An example of DBPSK signal modulation and demodulation using MATLAB code implementation. The modulation employs differential encoding where 1-bit delayed differential detection directly yields the original code, while demodulation utilizes 1-bit differential delay detection with comprehensive algorithm explanations.
Comprehensive simulation of spread spectrum communication systems including complete signal modulation, demodulation, and despreading processes in a full communication chain
MATLAB simulation suite for wireless communication systems covering synchronization, equalization, channel estimation, and modulation/demodulation with implementation examples
Implementation of QPSK modulation and demodulation under Gaussian white noise and Rayleigh fading channel conditions (excluding multipath interference), using quasi-analytical methods for bit error rate performance calculation. The simulation workflow covers signal generation, filter configuration, QPSK modulation, additive white Gaussian noise injection, Rayleigh channel fading, QPSK demodulation, and BER computation with algorithm-specific implementation details.
Complete MATLAB implementations for AM, FM, FSK, GFSK, MSK, and GMSK modulation/demodulation techniques, including voice signal testing capabilities. Each algorithm features detailed code explanations, theoretical analysis, performance comparisons, and practical implementation approaches.