信噪比 Resources

Showing items tagged with "信噪比"

Energy detection-based collaborative spectrum sensing in cognitive radio systems, analyzing the relationship between signal-to-noise ratio (SNR) and detection probability. The implementation compares theoretical and simulated values for both single-node and three-node configurations, demonstrating system performance through MATLAB-based simulations using energy detection algorithms and collaborative decision fusion techniques.

MATLAB 293 views Tagged

The beamspace MUSIC algorithm for vector arrays overcomes the limitations of element-space MUSIC implementation, which requires high signal-to-noise ratio and precise phase calibration across array elements.

MATLAB 210 views Tagged

The Block-Matching and 3D Filtering (BM3D) algorithm is a computationally scalable approach based on an innovative denoising strategy. It achieves state-of-the-art denoising performance in terms of both peak signal-to-noise ratio and subjective visual quality through block-matching, collaborative filtering, and wavelet-based thresholding techniques.

MATLAB 230 views Tagged

A decoding simulation program for LDPC codes implementing the Log-BP algorithm, featuring BER and PER statistical charts across different SNR values. The implementation includes both MATLAB and C (C-MEX) versions with comprehensive documentation and code comments, demonstrating efficient message passing implementation and performance analysis capabilities.

MATLAB 217 views Tagged

Implementation of LMS algorithm for noise removal, where the clean signal comprises various digital modulation signals (specifically 8ASK digital amplitude modulation) and the noise is additive white Gaussian noise with customizable signal-to-noise ratio.

MATLAB 269 views Tagged

Simulation programs for AWGN and BSC channels with configurable signal-to-noise ratio for AWGN and adjustable bit error rate for BSC, implemented using MATLAB/Simulink for digital communication system analysis.

MATLAB 194 views Tagged