统计分析 Resources

Showing items tagged with "统计分析"

Spectrum analysis techniques serve as the most commonly employed statistical method for investigating periodic phenomena. This approach primarily involves performing data transformations on complex wave systems to decompose them into simple harmonic waves with varying amplitudes and phases, thereby identifying the wave with the maximum amplitude—the dominant frequency of the composite wave. Among various spectrum analysis methods, the Fast Fourier Transform (FFT) algorithm stands out as the most widely used computational technique due to its efficiency in frequency domain conversion.

MATLAB 269 views Tagged
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A MATLAB GUI-based integrated software featuring: 1) Sea clutter model simulation and statistical analysis (Rayleigh, Weibull, Log-Normal, and K-distribution via SIRP and ZMNL methods); 2) Sea clutter/waveguide parameter estimation (including sea clutter, multipath, waveguide parameters, and radar detection performance estimation); 3) Statistical analysis of measured sea clutter data. Key implementations include distribution fitting algorithms, parameter optimization routines, and GUI component integration using MATLAB's App Designer or GUIDE framework.

MATLAB 278 views Tagged
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This project implements an advanced steganography technique using modulo operations in LSB embedding. Unlike conventional LSB steganography, which is vulnerable to histogram and statistical analysis, the modulo-based approach provides strong resistance against steganalysis. The implementation involves modifying pixel values using modulo arithmetic to embed secret data while maintaining statistical properties of the cover image.

MATLAB 432 views Tagged
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