次優的 的英文怎麼說
中文拼音 [cìyōude]
次優的
英文
suboptimal-
This paper put forward the optimized methods include reconstructing the characteristic curve by reasonable use of the adjust tools and analyse tools of the modeling software, admeasuring the automotive model surface correctly, simulating the breaking surface and creating the surface in the right turns which is good for modeling a smooth and exactitude surface. at last, after the correct analysis of the factors which are effect to the surface construction, a smooth and exactitude surface of the similar diamond concept car has been constructed by using the right optimize method
本文通過合理利用反求軟體中的造型工具和分析工具,正確劃分反求模型的造型區域,使用正確的曲面造型方法,對反求曲面的特徵網格線進行二次優化,並對突變曲面進行擬合再生成處理及建立合理的曲面生成順序等方法,最終獲得了仿型度和光順度都很高的反求曲面。The former is a kind of brachiopod and the latter belongs to vermes. the fossils of each sub - dominant species took its place from three percent to five percent in quantity. on one hand, the fossils of early vertebrata, hemichordata, urochordata, cephalochordata and vetulicolian which connects invertebrata and vertebrata have been caught one by one in the continuous excavating work of early life institute field work team of north west university since 1996
他們還認為節肢動物長尾納羅蟲( naraoialongicaudata ) 、刺狀納羅蟲( naraoiospinosa )和耳形等刺蟲( isoxysauritus )以及腕足動物東方日射水母貝( heliomedusaorienta ) 、線形蟲動物圓筒帽天山蠕蟲( maotianshaniacylindrica )均為次優勢種,它們的個體數量分別占化石總數的百分之三到五。Secondly, the mixed h2 / h control is formulated as a game problem of incomplete information, a suboptimal 2x2 non - zero game model is constructed, where two channels are chose as players and h2 and h control are pure strategies, and an algorithm for mixed h2 / h control, which is based on the nash ' s bargaining theory, is derived to achieve the nash equilibrium point. finally, handling stability, ride comfort and steering handiness are related with vehicle suspension system and electrical power steering
其次,基於對策論把h _ 2 h _混合控制問題抽象為兩個對局者信息不完全情況下的非零和博弈模型,在以次優范數值構造的2x2非零和博弈模型中把兩類通道作為參加博弈的兩方,以h _ 2和h _控制方案作為兩種純策略,基於納什談判解原理設計出求解h _ 2 h _混合控制問題納什均衡點的演算法。The hypo - optimal pricing of knowledge in the course of decreasing cost
知識在成本遞減過程中的次優定價Firstly, by numerical and theoretical analysis, the author compares some existent confidence intervals, for example, " exact " confidence interval, wald confidence interval and bayesian confidence interval, and finds some deficiencies points of the confidence intervals, whose modification version has been proposed. also, several better confidence intervals such as are also presented. secondly, for given confidence coefficient and interval width, the author constructs a class of asymptotical two - stage interval estimate procedures. at the same time, under varies restriction of confidence coefflcientent interval width, the optional sample size of the first stage has been computed by numerical computation. the numerical computation shows that the method considered in this dissertation have good properties and applied value
同時,由於poisson分佈的特性,我們知道不存在其參數區間長度小於0 . 5的置信區間,基於這些情況,我們主要展開了以下兩個方面的研究:一是利用數值計算分析與理論分析的方法對現有的若干置信區間如「精確」置信區間, wald置信區間, bayes置信區間等進行分析比較,發現了一些缺陷,針對這些缺陷,我們進行適當的修正,並得到幾種性質較好的置信區間如:修正大樣本區間jeffreys原則下置信區間二是針對已給定的置信系數與區間長度,我們提出了一種漸近的兩階段區間估計程序,並利用數值計算的方法,在各種置信系數與區間長度限定下,算出了最優的第一階段觀測次數(抽樣量) ,大量數據表明,本文考慮的方法性態良好,具有應用價值。We should set the first priority for the school activities versus having a laundry list
(我們應該制定有優先次序的學校活動,而非主次不分的細單。 )Therefore, to find the suboptimum detection schemes which have low complexity as well as good performance close to mld is the main problem of mimo signal detection
因此,低復雜度、逼近mld性能的次優信號檢測演算法一直是mimo信號檢測所要解決的問題。A sub - optimum decoding algorithm for system concatenated with turbo - tcm and space time block codes
與時空分組碼的級聯系統的次優譯碼演算法A system is in place to prioritize work orders
已有決定工作單的優先次序的系統。The improvement plan for the right bank revetment of the first - step stilling basin for the normal spillway of huangbizhuang reservoir is optimized for many times, which has met the requirements to save the investment, shorten the construction period, guarantee the continuity of the boundary and satisfy the operation of the project at last
摘要黃壁莊水庫正常溢洪道一級消力池右岸躺坡改建方案經過多次優化,達到了節約投資、縮短工程工期,保證了邊界的連續性,滿足工程運用要求。It makes decision on stability state of countryrock according to in - situ surveying datum, and grey prediction model is formed using the deformation curve of country rock. this model can predict latter displacement of country rock. deeper analysis is also been counducted on countermeasure and mechanism of softrock tunnel, and gradation analysis method is applied to select the optimum bracing plan
再結合現場實測資料對地下洞室圍巖的穩定狀態進行判別,利用圍巖變形曲線建立灰色預測模型,採用該模型對圍巖位移的後期變形進行預測。對軟巖隧道的支護對策、支護作用機理進行了較深入的分析研究,並利用層次分析法選擇最優的支護方案。Formations are often divided into subordinate community types characterized by their dominant species.
群系可以按其優勢物種的特徵劃分為一些次級的群落類型。Crossover is implemented using arithmetic crossover operator. then unsymmetrical mutation is conducted using the new mutation operator which can expand the scope of chromosome gene value, at the same time, the chromosome with the highest fitness values are retained for each iteration. a lot of experiments are implemented to obtain the optimized initial weighs and bias
生成了三維矩陣表示的染色體,進行了聯賽選擇,利用算術交叉運算元進行了交叉運算,利用構造的新的變異運算元,進行了非均勻變異,同時保留了每次進化運算后最優的適應值,通過大量實驗,實現了遺傳演算法優化bp網路的初始權值和閾值的目的。Abstract : it provides a kind of new nonlinear integrator and its mathematical model. its frequency responses is disscussed by the harmonics linearization method. its phase lag is found to be only 27. 6, all high order harmonics are very small, and it is very resistant to disturbances. by using it, an two - objective optimum control system is designed. it has very good control performances and will have good prospects in application
文摘:提出一種新型的非線性積分器,給出它的數學模型,並用諧波線性化原理討論它的頻率特性,其幅頻特性起積分作用,而相位滯后僅27 . 6 ,高次諧波分量小,抗干擾能力強.應用這種積分器設計了一個雙目標優化的二次優化系統.模擬結果表明,系統的控制性能好,具有廣泛的應用前景Basing on the statistical inaming t ' heory ( slt ), the thesis discusses the svm problems in linearly separable case, lineariy non - separable case and non - linear separable case, and induces a convex quadratic programming ( qp ) problem with an equation constrain and non - equation constrains. then one program on solving the op problem is proposed
概述了統計學習理論的主要內容,推導了支持向量機方法在文本線性可分、線性不可分和非線性可分情況下實現分類的數學公式,將學習問題轉化為一個在等式約束和不等式約束下的凸二次優化問題,總結了求解的過程。Kalman filter is an optimal filter algorithm in the minimum - mean - square - error sense, meanwhile extended kalman filter is a sub - optimal filter algorithm, which derived from the linearization of nonlinear system using taylor expansion. while the non - linearity of the system is not extreme strong, ekf can achieve approximately optimal filter effect
Kf是最小均方意義下的最優濾波演算法, ekf則是利用一階泰勒展開將非線性系統線性化而得到的一種次優濾波演算法,在非線性不是特別嚴重的情況下, ekf有著近似最優的濾波效果。Firstly, we analyze third party logistics in the condition of the simple game, a suboptimal nash equilibrium is drawn by negative reasoning and no win - win trade appears
首先分析一次博弈下的第三方物流,通過逆向推理求解出一個次優的納什均衡,雙贏的交易未能發生。Then it is applied to a multi - step model predictive controller in optimal control fashion. frequency, time domain analysis and simulation shows that the system is feasible
時域分析表明,對於二次型性能指標來說,該預測控制器是次優的,我們並提出了計算二次型性能指標的公式。But this result is not the best result relative to bayes error or risk. this paper introduces a face recognition method based on pairwise weighted fisher criteria
但是這個「盡可能好的』 』分類結果對於它所對應的準則函數來說是最優的,但是相對于錯誤率或風險而言,它只是次優的。Taking attributed scattering center - based classification as example, the computation of feature likelihood function under many - many and 1 - 1 correspondence are studied, by using the algorithm of bipartite graph perfect matching to find the optimal 1 - 1 correspondence, the computation efficiency is improved greatly, the relations of likelihood function between 1 - 1 and many - many correspondence are analyzed, and two sub - optimal methods of calculating the likelihood function of 1 - 1 correspondence are presented
本章以基於屬性散射中心特徵的分類為例,深入研究了多?多對應和1 ? 1對應特徵似然函數的計算,通過將求解二分圖最佳匹配的演算法用於尋找特徵之間的最優1 ? 1對應關系,有效提高了1 ? 1對應特徵似然函數的計算效率,分析了1 ? 1對應和多?多對應特徵似然函數之間的關系,給出了兩種次優的1 ? 1對應特徵似然函數計算方法。分享友人