基于壓縮感知的電力信號壓縮與重構(gòu)研究
[Abstract]:Aiming at the problem of power signal acquisition and compression, a compression sensing theory is proposed to compress and reconstruct the power signal, which avoids the traditional redundant sampling. Firstly, the feasibility of compressed sensing theory for power signal compression sampling is analyzed, and the specific implementation methods and characteristics of several typical compression sensing reconstruction algorithms are discussed, and then these algorithms are adopted. In this paper, the sparse power signals with harmonics and interharmonics under one dimensional sparse signal and Fourier transform basis are reconstructed. The simulation results show that the greedy compression perceptual reconstruction algorithm has the advantages of low computational complexity and high speed, and it is more suitable for the reconstruction of one-dimensional power signals. The SAMP algorithm can accurately reconstruct the original signals with fewer sampling values when the sparsity is unknown.
【作者單位】: 東北石油大學秦皇島分校;燕山大學電氣工程學院河北省測試計量技術(shù)及儀器重點實驗室;
【基金】:秦皇島市科技支撐計劃項目(201302A042)
【分類號】:TM711;TN911.7
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