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功率谱密度的仿真,以matlab软件为基础,实现了多种谱密度的变换-Simulation of the power spectral density
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BLS-GSM代表“Bayesian Least Squares - Gaussian Scale Mixture(贝叶斯最小二乘-高斯尺度混合模型)”。
这个工具箱实现了该篇论文中介绍的算法:
J Portilla, V Strela, M Wainwright, E P Simoncelli, Image Denoising
using Scale Mixtures of Gaussians in the Wavelet Domain, IEEE
Transaction
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一个共同的视频被空间相关去噪的框架随机噪声和空间相关的固定模式噪声。首先,在每一卷的空间和时间上的相关性,利用sparsify数据在三维时空的变换域,然后3D体积的频谱系数的自适应阈值萎缩三维阵列。这样的阵列取决于特定的运动轨迹的体积,单个功率谱密度的随机和固定的模式噪声,以及噪声方差,自适应地估计在变换域。-The video was a common fixed pattern noise spatial correlation denoising framework random nois
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Single path or multipath Rayleigh fading channel simulation, Calculating a target and ocean echo power spectral density, Data analysis, plotting, etc..
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Clustering analysis based on Euclidean distance, Calculating a target and ocean echo power spectral density, Iterative self-organizing data analysis.
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计算目标和海洋回波的功率谱密度,用于信号特征提取、信号消噪,Pisarenko谐波分解算法。( Calculating a target and ocean echo power spectral density, For feature extraction, signal de-noising, Pisarenko harmonic decomposition algorithm.)
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道床加速度时程曲线。功率谱密度函数 图。1/3倍频程Z振级频谱图。道床Z振级VLz(dB)。(Acceleration time history curve of ballast. Power spectral density function. Frequency spectrum of 1 / 3 octave Z vibration level. Ballast Z vibration level vlz (DB).)
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