phase encoding 中文意思是什麼

phase encoding 解釋
相位編碼
  • phase : n 1 形勢，局面，狀態；階級。2 方面，側面。3 【天文學】（月等的）變相，盈虧；【物、天】相，周相，...
  • encoding : 編碼（作用）
  1. At first, double random phase encoding techniques are looked back and its improved methods are introduced in detail. in connection with characteristics of spherical wave gene and function of phase mask, one random phase encoding techniques are proposed with spherical wave based on 4f system

    本文首先對雙隨機相位加密技術進行了回顧，並對它的一些改進方案的特點作了詳細介紹，並在此基礎上，根據球面波相位因子的特點和相位掩模在加解密中作用，提出了一種利用球面波照射4f系統的單隨機相位編碼加密的新方法。
  2. Study on pal - line 90 phase - shifted encoding signal

    移相編碼信號的研究
  3. High - accuracy miniature ct and a / d modulation are adopted to realize high - accuracy property ; method of phase encoding is presented and hardware is selected to realize low power - consumption property

    採用微型高精度ct和a / d調制實現系統的高精度要求，採取硬體措施並提出一種相位編碼方法實現高壓側電子電路的低功耗要求。
  4. The migration results of the synthetic and ocean field datasets show that this method is correct and effective. several prestack depth migration methods are proposed and unified to the synthetic source record migration method. these methods include plane wave migration with fourier finite difference ( ffd ) extrapolator, maximum energy plane wave migration and prestack migration with phase encoding of areal shot records

    通過對本文提出的平面波傅立葉有限差分疊前深度偏移方法、最大能量面炮記錄疊前深度偏移方法和相位編碼面炮記錄疊前深度偏移方法的研究，試算和對比，提出了合成震源三原則，根據這些原則，提出了合成震源概念和合成震源記錄疊前深度偏移方法。
  5. Second, based on the theory of synthetic discriminant function, several sub - reference images were synthesized to form the reference image base to realize rotation distortion - invariant recognition, which also solved the ill - problem of synthesizing a single reference image with the whole training distorted images and made the pose estimation easier. third, the phase - encoding and amplitude modulation distortion - invariant jtc for multi - target recognition were described

    其次，論文採用綜合識別函數方法構成子參考圖像，建立參考圖像庫的方法解決了目標旋轉畸變不變的識別問題，克服了由大量訓練圖像合成單幅參考圖像時，高頻信息損失嚴重的病態問題，並可實現對真實目標旋轉姿態的估計。
  6. The synthetic source is the generalization of plane wave source, controlled illumination source, piecewise plane wave source and areal sources with phase encoding etc. by migrating the synthetic source record, the computational cost of the conventional areal shot record migration can be reduced by several times without significantly degrading the image quality

    合成震源既包括了已有的平面波震源，也包括了控制照明震源，分段平面波震源和相位編碼震源。合成震源記錄疊前深度偏移方法是炮記錄偏移、平面波偏移、控制照明偏移和相位編碼面炮記錄偏移方法的推廣和統一形式。
  7. These implied that the former may take place mainly at the encoding phase and the latter at the maintaining one

    可見，關聯性錯誤記憶可能主要發生在編碼階段，而誤導性錯誤記憶則可能主要發生在保持階段。
  8. Then this quadrature is used to classifying the blocks in the encoding phase, resulting in a great reduction to number of domain blocks to search for, hence shortening the encoding time dramatically

    在分形編碼時，用該不變量來對圖像塊進行分類，極大地減少了編碼時定義域塊的搜索數目，達到了加速編碼的目的。
  9. Then the fractal dimension can be used to classifying the blocks in the encoding phase, resulting in a great reduction to number of domain blocks to search for, hence shortening the encoding time dramatically

    在分形編碼時，用這個維數值來對圖像塊進行分類，大大減少了編碼時定義域塊的搜索數目，達到了加速編碼的目的。
  10. As technologies of various level software reuse, code component, design pattern and analysis pattern provide the means of software reuse in the encoding phase, design phase and design phase of the software life - cycle

    摘要代碼構件、設計模式和分析模式是不同層次的軟體復用技術，提供了軟體開發從分析、設計到編碼各階段的復用手段。
  11. However, there ' s a especially unsatisfying problem in this method : too long encoding time, mainly because of the considerable number of domain blocks to compare with for each range block in encoding phase, which, in fact, prevent fractal image compression from becoming a practical method for image compression, hence fast encoding has become a hot issue in fractal image compression

    但是，這種方法存在一個最大的問題：編碼時間過長，主要是因為編碼時定義域塊的搜索量非常可觀。這實際上已成為了該方法走向高效能實用化的最主要障礙，因此分形編碼加速方法已成為了近些年來分形壓縮的一個研究熱點。
  12. A new method for prestack depth migration of areal shot records with phase encoding

    一種新的相位編碼面炮記錄疊前深度偏移方法
  13. 9 - track, 12. 7 mm wide magnetic tape for information interchange - format and recording, using phase encoding at 63 cpmm

    信息互換用9磁軌磁12 . 7mm帶. 63cpmm相位編碼的格式和記錄
  14. Among them, double random phase encoding techniques have received increasing attention at home and abroad for its high security

    在這些研究中，雙隨機相位加密技術因其較高的安全性能而得到國內外學者的廣泛關注。
  15. Although encrypted optical holographic storage such as double random phase encoding and encrypted orthogonal phase encoding have been validated to be correct, but they can apply only one pace of encryption, which can not meet the need of encrypting the very inportant informations

    雖然光全息加密技術如雙隨機相位編碼和正交相位編碼技術在理論和實驗上都已得到驗證，但它們都有一個缺點就是只能對數據進行一重加密。這對于保密一些非常重要的信息是不能滿足需求的。
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