svs 中文意思是什麼

svs 解釋
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  1. ( 3 ) using our newly generated qo - t relation, the svs of the disk galaxies in the virgo cluster are studied

    ) - t關系,對acatalogueofthevirgodiskgalaxies中的數據進行處理,分析了virgo團中盤星系旋轉矢量方向的分佈。
  2. This thesis mainly concentrates on the orientations of the spin vectors ( svs ) with different samples of the field galaxies in the local supercluster ( lsc ) and of the galaxies in the virgo cluster, with the context of the origin and formation of galaxies and clusters. we also statistically studied the intrinsic flatness of the disk galaxies

    本文主要對本超星系團中的場星系、不同樣本來源的virgo團成員星系的旋轉矢量方向分佈情況進行統計分析,以期尋找星系或星系團等宇宙大尺度結構的形成和起源信息,並給已有的或新的星系或星系團形成和起源理論提供觀測依據和實驗佐證。
  3. Based on the svs characteristic analysis of image matrix, a visually recognizable binary image watermark is embedded into maximal singular value coefficient in block - based svd transform domain of the cover image. here we brought forward two primary schemes : one need original signal and the other is blind ( without the original cover ). experimental results show that our schemes can extract reliable copy of the hidden watermark from images that have been significantly degraded or altered through several common geometric distortions and signal processing operations

    本文基於圖像矩陣的svd奇異值分解特性分析,提出了在新的svd變換域中進行的數字水印演算法,水印信息嵌入到分塊變換的最大奇異值分量系數中,應用混沌變換加密和空域置換,改善了空域性能,安全性高;利用圖像分塊矩陣的奇異值分解穩定性好的特點,採用圖像內容自適應方法計算水印的嵌入強度,增強了演算法的穩健性;採用二值圖像作為有意義水印進行嵌入和檢測,水印在感知上是可視的。
  4. To implement quality - oriented education, to performance the work for vocational guidance of svs

    實施素質教育積極開展中等職業學校職業指導工作
  5. For the svr, we do experiments of the function approach using artifical and real data. simulation results show the improvement of gerneralization errors and the number of svs

    對svr作了人工數據和自然數據的函數逼近實驗,同樣取得了很好的結果,特別是自然數據的結果中誤差和sv的數目大大減少。
  6. We determine riot only the region of the paramaters but the relation of the them, so the parameters can be choosen accurately. with the good choice of parameters, we can modify the volume element near svs to improve the precision of svm and to compress the data

    旨在通過對參數的準確選取,使得核函數的體積元在支持向量附近改變,從而達到修改的目的,提高svm及svr的精度,並且減少支持向量( sv )的數目使數據壓縮。
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