映射 Resources

Showing items tagged with "映射"

Kernel Fisher Discriminant Analysis (KFDA) - A nonlinear extension of Fisher Discriminant Analysis where training samples are first mapped to a high-dimensional feature space F using nonlinear mapping φ, then standard Fisher Discriminant Analysis is performed in this kernel-induced space.

MATLAB 266 views Tagged

This program primarily demonstrates key characteristics of an OFDM system excluding receiver synchronization and channel encoding, featuring: 1. QPSK/16QAM/64QAM mapping/demapping with constellation point generation and detection algorithms 2. OFDM modulation/demodulation implementing cyclic prefix insertion/removal and FFT/IFFT operations 3. Multipath channel modeling with fractional sample delay timing 4. Rayleigh or Rician fading channel simulation 5. Continuous time-varying channel characteristics (non-block fading) 6. Linear interpolation-based channel estimation 7. Frequency-domain interpolation channel estimation in FFT transform domain

MATLAB 246 views Tagged

A simple and ready-to-run MATLAB implementation. This function maps diametric pixel points onto a hemispherical surface arc, where the calibrated length equals π*r, representing the theoretical arc length of a semicircle.

MATLAB 226 views Tagged

This highly sophisticated OFDM simulation program implements a complete OFDM system through modular functions, including constellation mapping, IDFT/DFT operations, time-frequency synchronization, channel estimation, and frequency offset compensation with detailed algorithm implementations.

MATLAB 257 views Tagged

This project provides comprehensive MATLAB simulation code for 802.11a OFDM systems, featuring complete implementations of OFDM mapping, IDFT/DFT transformations, synchronization techniques (timing and frequency synchronization), channel estimation algorithms, and frequency offset estimation with practical code demonstrations and algorithmic explanations.

MATLAB 306 views Tagged

An OFDM simulation system operating in multipath channels, incorporating encoding, mapping, interleaving, and modulation processes. The system implements decision feedback methodology for channel estimation with integrated error correction and signal processing components.

MATLAB 221 views Tagged

OFDM simulation system under multipath channels, including encoding, mapping, interleaving, and modulation operations. The system implements decision feedback-based channel estimation with error correction mechanisms.

MATLAB 239 views Tagged