numerical search 中文意思是什麼
numerical search
解釋
數值搜索-
On one hand, numerical derivatives provide proper search directions in optimization, therefore their accuracy is of great importance for fast convergency. on the other hand, derivative evaluation is one of the most time - consuming steps in optimization
當前的高性能數學規劃演算法大都依賴于導數計算以快速收斂到最優點，所以對求導精度的要求比較高；而導數計算所消耗的時間占優化時間的比例又非常的大。 -
In order to search after its applying to expressway roadbed improvement, this paper studied consolidation characteristic and distortion law hi soft soil under positive and negative action, introducing parse explain and numerical calculation theory. additionally, based on locale experimentation, the design and construction method of vhlcp was implemented and its reinforce effect and economical character was estimated. testing indicated that the groundwork ' s intensity have increased 97 %, silt soil have vanished and outlay have saved 39 %
根據現場試驗，確定了適合於高速公路工程要求的真空堆載聯合預壓的設計和施工方法，並分析評價了其加固效果和經濟性，試驗表明：應用真空堆載聯合預壓后，地基強度平均提高了97 ，地基中淤泥質土已消失；與粉噴樁加固地基相比，節省經費39 。 -
Also the new re search and development of high pressure arcs at home and abroad, the investigation and development of numerical simulation of high - pressure arcs are discussed
闡述了目前國內外高壓電弧研究中存在的問題與不足和今後發展方向，以及高壓下電弧數值模擬的研究現狀和未來發展趨勢。 -
Given multiple restrictions of workspace, the shape and volume of workspace are gained through method of boundary numerical search
在分析了影響並聯機器人工作空間的約束前提下，通過邊界數值搜索的方法，得到了工作空間的形狀及其大小。 -
In chapter 3, by minimizing a quadratic model restricting next search direction to a subset of span { - g _ ( k ), d _ ( k - 1 ) }, we propose other formula of parameter ~ ( * ) k convergences of the new method and its hybrid formula are proved under monotone line search. their numerical results show that they are efficient
在第三章中，通過最小化一個限制下次搜索方向在span { - g _ k ， d _ （ k - 1 ） }子集上的二次模型，我們提出了_ k ~ *取新形式或其雜交形式的共軛梯度法是有效的。 -
Abstract : in this paper, first fe simulation algorithms for contact search, contact constraint, and the calculation of contact and friction loads were established based on the analysis for contact friction problem in sheet metal forming. then the fe simulation model for contact friction problem in sheet metal forming was set up. at last, the efficiency & amp; stability of this model was proved to be satisfactory by the comparing numerical example and experiment results of skin stretch forming
文摘:本文在分析了板料成形過程接觸摩擦問題特點的基礎上，提出了接觸搜索、界面滑動約束、法向接觸力以及摩擦力計算等問題的有限元模擬演算法，建立了板料成形過程接觸摩擦問題的有限元模擬模型，最後通過數值算例與飛機蒙皮拉形模擬試驗結果的比較，驗證了此模型計算精度及數值穩定性良好。 -
In this paper two steps search method is creatively presented to quickly locate the position of measurement points in numerical model
提出了兩級試驗測試點位置搜尋方法，分兩級快速精確地確定試驗測試點所在單元。 -
The aim of this paper is to search for a new type periodic slow - wave structure with filling periodically magnetized plasma, and following works are done : 1. firstly, the investigation of wave propagation characteristic in magnetized plasma with periodically changing density is done. by numerical calculation, analyze the effect of additional magnetic field and plasma density changing on the propagation characteristic
本文的目的是探索一種周期磁化等離子體慢波結構，並做了如下的工作: 1 .對電磁波在密度周期變化磁化等離子體中的傳輸特性進行了研究，通過數值計算分析了不同外加磁場以及不同等離子體密度情況下波的傳播特性。 -
Moreover, based on numerical solving the electromagnetic field by means of finite element method, the tabu search algorithm is used to optimize the structure of the outer - rotor permanent motor. the optimization result is satisfying
然後，在利用有限元法分析求解電機電磁場的基礎上，將禁忌搜索演算法實用於輪轂式永磁電機的結構優化設計，取得了良好效果。 -
The parallel search computing method based on the case has many kinds, the parallel fuzzy inference method is introduced in the paper. the nearest neighbor approach is studied in the third chapter. and as to similarity assessment of numerical features is difficult, an assessment method of similarity between numerical features is built on the basis of fuzzy dissertation
在案例間相似度的計算方法中，本文介紹了最鄰近匹配函數演算法，針對最鄰近匹配中定量特徵的相似度評估難的問題，建立了一種基於模糊劃分的定量特徵相似度評估方式。 -
2. the numerical model of engine jl474q1 has been built up base on the engine test which lays a foundation for the search of vehicle starting up and shift schedule. 3
對jl474q1發動機進行臺架性能試驗，利用樣條插值方法構造了發動機轉矩模型和發動機燃油消耗模型，為amt起步和換檔規律的研究奠定了基礎。 -
Based on this reality, this thesis makes an effort to search for the most suitable marketing theories and approaches. especially in market segmentation target market selection and market positioning, the author attempts to divide the construction pump market into nine segments according to his interest - oriented role division method and the numerical method of the evaluation of differentiated market. in accordance with its value and the degree of competition, the author picks out five differentiated markets and makes appropriate market positioning strategy in product, brand and corporation by taking into consideration the features of the selected differentiated market
正是基於以上現象，本文在尋找適合中國建築用泵行業的市場營銷的理論與方法上做了些努力，特別在市場細分、目標市場選擇和市場定位方面，嘗試了自創的利益導向型的角色劃分法和細分市場的評價數值法，把中國建築用泵市場細分為九個細分片，並根據價值的高低和競爭程度的強弱選擇了五個細分市場，再針對所選擇細分市場的特點分別在產品、品牌和公司層次上制訂了相應的定位策略。 -
In this study, our objective is to search for the optimal construction process by a numerical analysis
本文將研究用數值解析的方法來尋求滿足設定目標的最優施工路徑方案。
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