least dimension 中文意思是什麼

least dimension 解釋
最小尺度
  • least : adj （little 的最高級，比較級為 less 或 lesser）1 最小的，最少的 （opp most）。2 最不重要的，地位...
  • dimension : n 1 尺寸。2 【數學】次元，度（數），維（數）。3 【物理學】因次，量網。4 〈pl 〉容積；面積；大小，...
  1. Based on the theories described above, calculation formula of general dimension of least square measure and multi - fractal fault diagnosis and analysis system have been established with borland c + + builder 5. 0, and checked by pure sinusoidal and cosine signal and sinusoidal signal with noise, and verified by the examples

    基於上述原理，建立了最小二乘法的廣義維數計算公式，用borlandc + + builder5 . 0編制了以廣義維數計算分析為基礎的多重分形故障診斷系統，並對標準的正弦信號、餘弦信號及帶有噪聲的正弦信號進行了驗證。
  2. Based on the moving least squares method and the finite difference scheme, a new element - free method is proposed and used to simulate horizontal two dimension river flow with complicated boundary

    本文通過引入滑動最小二乘法和有限差分法，得到水動力學無單元計演算法並應用於復雜邊界的河道水流運動方程。
  3. The mapping the pilot training from the lower dimension space to high dimension space, and in the high dimension space, the wave - let kernel function is adopted, according to recursion least square criteria, the lower linear inseparable problem is convert to the separable problem

    然後將根據結構風險遞歸二乘最小化準則回歸估計支持向量機原理，把導頻訓練序列映射到高維空間，並在高維空間採用結構小波核函數，達到了將低維空間的非線性估計轉化為高維空間的線性估計的目的。
  4. He was particularly attracted to work by german theodor kaluza and swede oskar klein, which proposed that whereas gravity reflects the shape of the four familiar spacetime dimensions, electromagnetism arises from the geometry of an additional fifth dimension that is too small to see directly ( at least so far )

    他特別注意到德國人卡魯扎與瑞典人克萊恩的研究，他們倡議重力可反映出熟悉的四個時空維度，而起源於額外第五維度幾何的電磁力，則因為太過渺小，至少到目前為止無法直接看到。
  5. Trough comparing the analysis results of two kinds of calculation model, drawing the following conclusion : ( 1 ) this structure - design satisfies the standard ; ( 2 ) in analyzing the complicated high - rise building with transfer - floor, it is very necessary to adopt at least two three - dimension - space analysis procedures with different mechanic model and use the response - spectrum analysis and time - history analysis to analyze the structure earthquake response ; ( 3 ) the calculation model with elastic slab is better than the other with being infinitely rigid in the internal slab and zero in the external slab, which reflects the real load - function situation of the structure

    通過比較兩種分析軟體的計算結果，得出以下結論： （ 1 ）本結構設計滿足規范要求。 （ 2 ）比較satwe和sap2000分析結果可知，對于復雜的帶轉換層的超高層建築結構應採用至少兩個不同力學模型的三維空間分析軟體進行整體計算以及採用振型分解反應譜法和時程分析法進行地震反應分析是必要的。 （ 3 ）在sap2000分析中，將樓板模擬成彈性板，與satwe分析中的樓板平面內無限剛平面外剛度為零的模擬方式相比，這種模擬方式能更真實的反應結構的實際受力情況。
  6. Nanocomposites are a new class of composites, that are particle - filled polymers for which at least one dimension of the dispersed particles is in the nanometer range

    聚合物納米復合材料是一類新型的復合材料，由於納米粒子的一些特性，使得該類材料具有許多優異的性能。
  7. But, such a vectorization will bring at least three potential problems : 1 ) structural or local contextual infor mation may be broken down ; 2 ) the higher the dimension of input pattern, the more me mory space are needed for the weight vector related to a classifier ; 3 ) when the dimension of a vector pattern is very high and while the sample size is small, it is easy to be overtrained

    如此轉換至少會帶來三個不足: 1 ）空間或結構信息可能會遭到破壞; 2 ）由於權向量的維數等於輸入模式的維數，當輸入模式維數很大時，權值的存儲空間相應的會很大; 3 ）對于大維數的向量模式，當樣本數不多的時候，利用線性分類器易導致過擬合。
  8. Systemic measure scheme is designed on the basis of product line structure and every component of measuring system is specified. secondly, tube product shape imitating, rolling imitating of on - line tube product, measuring the chord length imitating with ccd and dimension measure arithmetic - circle least square estimation are finished. lastly, according to mentioned dimension measuring method, imitating operation and the result of imitating operation are emphatically analyzed

    文章首先介紹了管狀產品的生產線結構，根據生產線結構設計了系統檢測方案，並詳細說明了檢測系統各部分的組成；其次對管狀產品形狀模擬、管狀產品在生產線上滾動模擬、線陣ccd檢測弦長模擬、尺寸檢測演算法? ?圓的最小二乘法進行了研究；最後重點對所提出的尺寸檢測方法進行模擬計算並對模擬計算結果進行分析。
  9. Second, combining with the construction principle of geometry - goppa codes, we present a kind of new algebraic - geometry code by using the properties of algebraic curves on finite fields. we determine the value of the code - length n and d imension k, and the lower bound of the minimal distances of the new algebraic - geometry code. the new algebraic - geometry code have the following characteristics : ( l ) the new code is the generalization of geometry - goppa codes and the algebraic - geometry code constructed by chaoping xing and san ling in 2000 ( 2 ) compared with brouwer ' table of the best known codes, we find more new codes, there are at least 60 new codes under two - dimension cases

    其次，結合幾何goppa碼的構造原理，利用有限域上代數曲線的特點來構造代數幾何碼，確定了新的代數幾何碼的碼長n和維數k的取值，給出了最小距離d的下限，這類碼的特點是： （ 1 ）新的代數幾何碼是幾何goppa碼和新加坡國立大學chaopingxing和sanling在2000年所構造的代數幾何碼的推廣； （ 2 ）這類碼中有許多種碼的參數優于brouwer碼表，僅二維情形時，就有60多種碼優于brouwer碼表。
  10. In the thesis a new count expression of mesh fractal dimension is introduced, on the basis of it the storage and operation counts of directs solution methods, assembly global stiffness iterative methods and ebe iterative methods have been analyzed and compared, a conclusion has been obtained that the storage and operation counts of direct solution methods is the most, the storage counts of the ebe iterative methods is the least. estimating compute scale for ebe iterative methods at shuguang 2000 parallel computer, it is make out that compute scale is large in the extreme if make the most of the memory of every processor. by analyzing the parallel compute performance of 2d upend - step flow calculation, it is proved that ebe iterative methods can achieve upper speedup rations

    本文還提出了一種網格分維新的計算公式，並基於網格分維對直接解法，組集總剛矩陣的迭代解法和基於ebe的迭代解法等三種方法的存儲量和計算量進行了分析和比較，得出了直接解法無論存儲量和計算量均最大，基於ebe迭代解法存儲量最小的結論；在曙光2000并行機上估計了基於ebe迭代解法的計算規模，說明只要充分利用各處理機的內存，可解問題的規模是非常巨大的；對二維倒臺階流并行計算進行了性能分析，表明基於ebe策略的迭代解法能獲得較高的加速比。
  11. In case of high input dimension system model, taking norm of input vector as the input of wavelet network instead of using tensor product method to construct wavelet network, which could solve the problems of high computation and curse of dimensionality. in the selecting of specific wavelet basis, this thesis first gets initial wavelet basis collection according to spectrum analysis, then gives the least squares regression algorithm to optimize wavelet basis collection based on the least estimation error criteria, which could also initialize the model parameters and increase the speed of convergence

    對于具體的模型小波基函數選擇，本文首先對樣本數據進行時頻域分析，根據小波基函數時頻空間覆蓋樣本時頻空間的原則，在小波框架中選擇建模所用的函數集，然後根據估計誤差最小準則，給出最小二乘回歸優選演算法以進一步優化小波基函數集。
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