散布矩陣 的英文怎麼說

中文拼音 [sǎnbùjǔzhèn]
散布矩陣 英文
scattering matrix
  • 散 : 散動詞1. （由聚集而分離） break up; disperse 2. （散布） distribute; disseminate; give out 3. （排除） dispel; let out
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 陣 : Ⅰ名詞1 （作戰隊伍的行列或組合方式） battle array [formation]: 布陣 deploy the troops in battle fo...
  • 散布 : interspersal; intersperse; scatter; spread; disseminate; diffuse
  • 矩陣 : [數學] matrix; array
  1. The key components in laser gyro is he - ne ring laser, and the reciprocal action theory between light and medium is the base in studying the ring laser, use the lamb half classical theory, and on the base of density matrix theory, the optical brounch equation was established, which described the movement of amplifying medium atom in the ring syntonic cavity, and according to the medium polarize theory the self consistent equations was deduced, which describe the light intensity and phasic of the counter - propagating wave. on the basis of this equations, adopted the simulation software matlab and virtual instrument programming language labwindows / cvi, we can do some simulated experiments in study the phenomenas such as amplify and dispersive characteristic of medium, mode pushing effection, burned hole effection and pattern competition, lock - in of frequency and the characteristic of light intensity and phasic of the counter - propagating wave in laser gyro

    激光陀螺的核心部件為he - ne環形激光器，而掌握光與介質的相互作用理論是研究激光器的關鍵，採用拉姆半經典理論為主，在密度矩陣理論的基礎上，推導環形諧振腔中描述he - ne氣體增益介質原子運動的光學布洛赫方程，運用介質極化理論得出描述激光陀螺反向行波的光強、位相所滿足的自洽場方程組，在此基礎上，運用matlab模擬軟體和虛擬儀器編程語言labwindows / cvi ，對激光陀螺中的介質增益色散特性、頻率牽引效應、燒孔效應及模競爭、閉鎖效應及環激光的光強和相位特性進行模擬試驗研究，並且運用全量子理論，對激光工作原理進行分析，得出二能級系統單模輻射場的光子數密度分佈，得出激光場的光子統計分佈，模擬激光場的動態建立過程。
  2. By constructing weighted between - class scatter matrix, the classes that are closer to one another are likely to have a greater confusion and should be given a greater weightage

    該演算法通過構建加權的類間散布矩陣，將距離較近的容易混淆的類別賦以較大的權值。
  3. A concise representation method of between - class scatter matrix and population scatter matrix is proposed, which suits for all the applications of pattern recognition using fisher criteria

    提出了散布矩陣的一種簡潔表示方法，這一簡潔表示方法適合於一切使用fisher鑒別準則的模式識別問題。
  4. Firstly, to perform pca or lda on basis of such high - dimensional image vectors is a time - consuming process. secondly, the high dimensionality usually leads to singularity of the within - class covariance matrix, which is a trouble for calculation of fisher optimal discriminant vectors

    這樣就從根本上避免了在高維的圖像向量空間內構造散布矩陣並計算特徵向量的困難，大幅度地降低了特徵抽取過程所耗費的計算量。
  5. Standard face images are formed through the above - mentioned processing. during the feature extraction, for those standard face images, regarding the between - class scatter matrix as generating matrix, we extract the algebraic features of face images through k - l transform and singular value decomposition

    在人臉特徵提取過程中，對經過預處理的標準人臉圖像，以類間散布矩陣為產生矩陣，通過k - l變換降維並結合奇異值分解來提取人臉代數特徵。
  6. The conventional principal component analysis ( pca ) and fisher linear discriminant analysis ( lda ) are based on vectors. that is to say, if we use them to deal with the image recognition problem, the first step is to transform original image matrices into same dimensional vectors, and then rely on these vectors to evaluate the covariance matrix and to determine the projector

    所提出的這兩種方法的共同特點是，在進行圖像特徵抽取時，不需要事先將圖像矩陣轉化為高維的圖像向量，而是直接利用圖像矩陣本身構造圖像散布矩陣，然後基於這些散布矩陣進行主分量分析與線性鑒別分析。
  7. As one part of the work, the induced current on perfect conductor surface is computed with mom method and graphed by origin. the factors, such as choice of basis function and sliced mounts of one cell, which affect solution accuracy are summarized. all of these provide a good basis for the latter computation of array scattering field

    其中第一部分工作從電場積分方程出發，利用矩量法計算了理想導體貼片上的感應電流，進而得到平面陣列和曲面陣列的散射場，研究了陣列單元尺寸、排布形式和入射波的角度，以及曲面陣列的陣面形狀等因素對陣列散射場的影響規律。
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