step-by-step computation 中文意思是什麼

step-by-step computation 解釋
按位計算
  • step : vi （ pp ）1 走；跨步。2 踩，踏上 （on）。3 跳舞，輕快地走，合著步調走。4 跨入，踏進。5 走上。vt ...
  • by : adv 1 在側，在旁，在附近。2 （擱）在一邊，（放）到旁邊，（存）在一旁；收著。3 （由旁邊）經過，過...
  • computation : n. 1. 計算，估算。2. 計演算法。3. 計算結果，得數。
  1. The additional flow is formed by the device of dentoid baffle, and the application of the device of dentoid baffle cooperated with a stilling basin has been investigated by systematic model tests. based on the research results, the hydraulic problems such as the characteristics of hydrodynamic pressure and cavitation on the head of the denotid baffle, the properties of flow under the condition that the device of denotid baffle is used with a stilling basin, the hydraulic computation about a stilling basin, the estimation of energy dissipation and its various affection factors, the mechanism and effect of energy dissipation, and distributions of velocity and pressure and aerating concentration, etc, have been analyzed ; the method and step of hydraulic design of device of denotid baffle by which the additional flow is produced has also been proposed

    文中利用齒墩設施實現附加射流，對齒墩設施與消力池聯合應用進行了大量的和系統的模型試驗，分析研究了中低佛勞德數條件下，齒墩墩頭的動水壓強及空化特性，齒墩設施與消力池聯合應用時的流態特性，消力池的水力計算，消能量的估算及其各種影響因素，消能機理和效果，消力池內的流速、壓強特性，摻氣濃度分佈等水力學問題，並提出了實現附加射流齒墩設施的水力設計方法和步驟。
  2. No. 2, a fast simulation technique is proposed to approximate the filtering effects of the implicit method in order to alleviate the heavy computation brought by the implicit integration method. no. 3, an algorithm to dynamically regulate the time step is detailed

    柔體模擬過程中一直存在的瓶頸問題首先是為保證模擬過程的穩定性而不得不採用較小的時間步長，其次是求解微分方程時耗費的計算量過大。
  3. We put the emphases on the soft output viterbi algorithm ( sova ), which is one of turbo code ’ s decoding algorithms, and presents the derivation and computation step of the sova decoding algorithm. after presenting sova and map decoding algorithms and analyzing four kinds of decoding algorithms, the paper makes a comparison among the different decoding algorithms by emulation analysis, and analyzes the time complexity of various algorithms, and then contrasts them. in the last part of this paper, according to the criterion recommended by the consultative committee for space data systems ( ccsds ), including code rate,

    根據空間數據系統顧問委員會（ ccsds ）為turbo碼應用於深空通信系統推薦的標準，包括碼率、碼塊大小、分量碼類型、約束長度、碼生成多項式，以及交織器的選擇等參數的建議以及sova譯碼演算法的理論基礎，設計了sova演算法的實現結構，通過模擬驗證了本文所採用的turbo碼的性能，從而證明turbo碼確實是一種很好的通道糾錯編碼方式，它適用於要求功耗低或信噪比低的深空通信系統中。
  4. Base on the predicator - corrector and automatic step size contro1 technique, combined with contingency screening and selection, the proposed method possesses high computation efficiency. the above mentioned methods are illustfated by the leee 30 - bus test system, wscc 9 - bus tcst system and the northwe

    上述各方法分別採用ieee 30節點、 wscc 9節點試例系統和我國西北108機557節點實際系統進行了模擬訓算，計算結果驗證了有關方法的正確性和可行性。
  5. In order to reduce the adverse influence of nlos error to location performance, this algorithm firstly makes initial mobile position estimation by mean tdoa / toa measurements, then estimates nlos error within tdoa / toa measurements by parameters of tip 1 channel model, smoothes and reconstructs tdoa / toa measurements, and finally utilizes two step wls computation. the application of this algorithm under different cellular environments is also discussed and its effectiveness is demonstrated by simulation results. finally, the basic location method, location method implementation, network architecture, signaling protocol and interface, and location procedures of wcdma network mobile location are analyzed

    百臼主回大學槽士扭允生攀幢伍丈第v頁接著，通過對tdo咖a測量值誤差的分析，本文提出了一種首先利用tdo咖a平均測量值對移動臺位置進行初始估計，並利用tipi通道模型參數估計出thoafl 』 oa測量值中nlos誤差的大小，然後對tdo … a測量值進行平滑與重構，再採用兩次wls計算，以降低nlos誤差對定位性能不利影響的的定位精度提高演算法，討論了這種演算法在蜂窩網路不同環境條件下的具體實施方法，通過詳細模擬驗證了這種演算法的有效性。
  6. Maslov ' s method can overcome the drawback that the solution in the caustic region cannot be obtained with geometrical optics. the key step of the method is numerical computation of hamiltonian equations, which can be solved by the symplectic algorithm

    Maslov理論克服了幾何光學法無法處理焦散現象的缺陷，但應用該理論關鍵的一步是對相空間里hamilton正則方程組的計算，辛演算法的引入使這一問題得以解決。
  7. Collaborative optimization method is studied in depth, the causes leading to computational difficulty of this method are discussed by optimization theory and computation examples, and improve method which may solve this problem is presented. based on the comparison of several optimization methods and the characteristics of modern rocket - ramjet, step optimization pattern - a new integrated design mode is presented and is used to realize integrated design of rocket - ramjet. inner and outer fiowfield of a certain integral rocket - ramjet missile is simulated numerically using n - s equation

    （ 2 ）系統地研究了導彈總體優化設計方法，探討了多學科設計優化的原理、框架結構、具體表述形式，深入研究了協作優化方法的原理，從優化原理和算例兩方面討論了造成協作優化方法計算困難的原因，提出了可能克服這種計算困難的改進途徑；在比較幾種優化方法的基礎上，針對新一代沖壓式導彈的特點，提出了一體化設計的模式? ?分步優化模式，進行了整體式火箭沖壓發動機反艦導彈總體參數的一體化設計。
  8. Otherwise, the trust region radius is reduced and a new trial point is selected. it is possible that the region subproblem need to be resolved many times before obtaining an acceptable step, and hence the total computation for completing one iteration might be expensive. this article combines approximate trust region path and nonmonotonic backtracking strategy to solve nonlinear optimization subject to linear inequality constraints, that is, we use approximate trust region path to get the research direction by minimuming quadratical model in the trust region by employing

    本文在求解線性不等式約束優化問題時，將近似信賴域路徑與非單調信賴域方法相結合，即在信賴域半徑內沿近似信賴域路徑得到一極小化二次模型的搜索方向後採用回代法避免重復求解信賴域子問題，在此演算法中當搜索方向不被接受時，就用非單調線搜索技術得到接受步長，定義新的迭代點。
  9. When the difference method is used to solve temperature problem, the error of adiabatic temperature rise of concrete is often caused by a difference step that is too big, at the same time computation workload increases greatly because of a difference step that is too small. based on the basic characteristics of the difference method, this paper introduced one kind of correcting method, which can assure solution precision but does n ' t increase the calculating workload

    針對差分法進行不穩定溫度場求解時，差分步長過大會造成絕熱溫升計算誤差加大，差分步長過小又會引起計算量成倍增長的問題，根據差分法求解的基本特點，提出了一種誤差修正方法，在計算量得到成倍提高的同時，保證了求解精度，較好的解決了這一問題。
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