正規化數值 的英文怎麼說

中文拼音 [zhēngguīhuàshǔzhí]
正規化數值 英文
normalized value
  • : 正名詞(正月) the first month of the lunar year; the first moon
  • : Ⅰ名詞1 (畫圓形的工具) instrument for drawing circles 2 (規則; 成例) rule; regulation 3 [機械...
  • : 數副詞(屢次) frequently; repeatedly
  • 正規 : regular; standard; normal正規部隊 regular troops; regulars; 正規教育 regular education; proper ed...
  • 數值 : numerical value; numerial number; figure; magnitude; value數值表 numerical tabular; 數值天氣預報 ...
  1. Based on consider hereinbefore, this dissertation discusses several aspects on the problem of the sustainable and optimum exploitation of groundwater resources as follows : ( 1 ) reviewed entirely the origin and evolvement of the concept " sustainable development ", stated and commented the study status in queue on " sustainable development " around national and international range, thorough discussed the science connotation about the concept " sustainable development " ; ( 2 ) looked back and commented across - the aboard some furthest basic concept and proposition related to groundwater resources, put forward self opinions on a few existent mistake points of view and chaos understandings ; ( 3 ) expatiated entirely on the content and meaning of the theory of changeable groundwater resources system, contrast with the traditional methods of groundwater resources calculation and evaluation, combined example to show the application of this theory ; ( 4 ) thorough analyzed the difficult and complexity to forecast the groundwater resources, fully stated the traditional methods of groundwater resources forecasting, pointed out the characteristic and applying condition of these forecasting method, introduced the main ideas and methods of wavelet analysis developed recently, and the matlab software be known as the fifths era computer language, and its accessory wavelet analysis toolbox, applied these methods and tools to analyze the groundwater dynamic curve, adopted the b - j method and morte - carlo method, combined with the theory of changeable groundwater resources system, discussed the new view on the forecast of groundwater resources ; ( 5 ) synthetically analyzed the characteristics and limitations of the present all kind of groundwater manage model, combined mathematical programming mathematical statistics random process and the theory of variation system of groundwater resources on the unite optimum attempter of surface water and groundwater, emphasized how to make the model more nicety, more simple, more practicality ; ( 6 ) analyzed the inside condition and outside condition to assure the sustainable and optimum exploi tation of groundwater resources, the inside conditions are the follows : correct resources idea, scientific methods of resources calculation and evaluation, credible forecast methods of resources, exercisable measures of resources management, the outside conditions are the follows : the development idea of high layer, the transform of manage system, the matched policy and rule of law, the adjusted of economy lever, the improve of cultural diathesis, the boosting up of water - saving consciousness and detail measures, the control of population rising, the prevention and cure of water pollute, the renew and rebuild of ecology ; ( 7 ) scan the sustainable and optimum exploitation of groundwater resources from the high level of metagalaxy, earth system science, and philosophy ; lint out the more directions on groundwater resources

    基於以上考慮,論文主要從以下幾方面對地下水資源可持續開發問題進行了比較深入的探討:全面回顧了「可持續發展」概念的由來與演變,對國內外「可持續發展」的研究現狀進行了述評,並對「可持續發展」概念的科學內涵進行了深入探討;對涉及地下水資源的一些最基本的概念和命題進行了全面的回顧和評述,對目前仍然存在的一些錯誤觀點和混亂認識提出了自己的見解;全面闡述了地下水資源變系統理論的內容和意義,並與傳統的地下水資源計算評價方法進行了對比分析,結合實例具體說明了方法的應用;深入分析了地下水資源預測預報工作的極端重要性和復雜性,對傳統的地下水資源動態預測方法進行了全面的評述,指出了各類預測預報方法的特點及適用條件,對最近二十多年剛發展起來的小波分析技術的主要思想和方法及其應用范圍,以及號稱第五代計算機語言的matlab軟體和附帶的小波分析工具箱進行了介紹,並應用於地下水動態過程線的分析,採用時間序列中的b ? j法,蒙特卡羅方法,與地下水資源變系統理論相結合,探討了地下水動態資料分析和地下水資源預測預報的新思路;綜合分析了現今各類地下水管理模型的特點及缺陷,將劃、理統計、隨機過程等與地下水變系統理論相結合進行地表水地下水或多水源的聯合優調度,使模型更準確、更實用;對保證地下水資源可持續開發的內部條件和外部條件進行了分析,內部河海人學博卜學位論文前言、摘要、目錄條件主要是確的資源觀,科學的資源計算與評價方法,可靠的資源預測預報技術,可操作的資源管理措施,外部條件主要是高層發展思路、管理體制的變革、配套的政策法、經濟杠桿的調節、人文素質的提高、節水意識的增強及具體節水措施、人口增長的控制、水體污染的防治、生態的恢復和重建等;從宇宙科學、地球系統科學及哲學的高度審視地下水資源的可持續開發;指出了地下水資源可持續開發的進一步研究方向。
  2. The asteroids are the most important small bodies in the solarsystem, and they mainly lies in the two locations - a main belt between the mars ' s orbit and the jupiter ' s and the near - earth space. the most feature of the orbits of near - earth asteroids ( neas ) is that the semi - major axes of the orbits are nearly equal to that of the earth or the perihelia distances are approximate to or even less than the mean distance between the sun and the earth, thus they could move into inside of the earth ' s orbit, so that they might close approach or even colliside with the earth ( or other planets, such as the venus, the mars, etc. ). the characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality. by comparing the computation effects of several common numerical methods ( including symplectic algorithm ), and considering the nature of the movement of the small bodies, the corresponding treatments are provided here to improve the reliability of the computation

    小行星是太陽系最重要的一類小天體,主要分佈在兩個區域;火星和木星軌道之間的一條主帶和近地空間.近地小行星軌道的最大特點是其軌道半長徑與地球軌道半長徑相近,或近日距離接近甚至小於日地平均距離,其運動可深入到地球軌道的內部,這將導致該類小行星與地球(還有金星、火星等)十分靠近甚至發生碰撞.這一特徵給其軌道演研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的處理以及對定性研究十分成功的辛演算法都將在不同程度上失效.通過對幾種常用方法(包括辛演算法)計算效果的比較,根據小天體運動自身的特性,給出了相應處理措施,從而可提高計算結果的可靠性
  3. 1 m 0. 5, the phase - shifted angle 6 is controlled in term of sine law which makes the magnitude of resonant voltage track a reference sine voltage, and the resonant voltage is rectified, filtered, inverted and then the better sine - voltage output is obtained, theoretical analysis and experimental results show that for the resistive load and inductive load, the switches of leading leg of the phase - shift - controlled circuit are always turned on at zvs, and ones of lagging leg are turned on at zvs ( < 0 ) or turned off at zcs ( ( > 0 ), moreover, all switches in the low - frequency inverter are always turned on and off at zvs, the measured circuit efficiency for rated load reaches up to 88 %

    從功率單向流動角度出發,提出了一種lcc諧振型恆頻移相單相高頻鏈逆變電路拓撲,在調制系0 . 1 m 0 . 5情況下,控制移相角按律變,使諧振電壓脈沖列的幅追蹤參考弦電壓信號,經過整流、濾波、低頻逆變,從而獲得弦度較好的輸出電壓。理論分析和實驗結果證明對于阻性負載或阻感性負載,移相全橋具有超前橋臂零電壓開通,滯后橋臂或者零電壓開通( _ 0 )或者零電流關斷( _ 0 )的軟開關特性,而低頻逆變器的各個開關均實現零電壓條件下的開通與關斷。
  4. In this article, firstly the background of the textile trade conflicts within sino - us or sino - euro are introduced, thus learn that how to discern and dodge the foreign trade risks, how to choose the appropriate investment projects have already become one of the most important questions for exporting companies on foreign trade affairs well - known as high investment and high risk. so the main text makes a risk analysis qualitatively and quantitatively on a textile - exporting trading company from three angles of statistic 、 game theory and portfolio theory, which is the main content that we studied. firstly, the statistic article adopts data of the transaction closing price of the textile clothing index in shenzhen stock exchange at the end of each quarter as well as several other kinds of data reflecting the macro - economic changes, performs an empirical analysis of these data according to the theory of co - integration test 、 granger cause test and impulse response function of time series in economitric, and learn that the impact to ti is more obvious by the economic index reflecting local commodity price level and economic prosperity degree home and abroad, as well as the impact degree and the time lag degree, and knows the macro - economic risks faced by textile business enterprises ; after that by the game theory angle we analyze exactly the managing risks faced by one textile export corporation named beauty. from the game expansion chart the system arrangement between censor ways by exportation goal countries and exporting strategies by the exporting enterprises has been analyzed. involving the benefit assignment between them both the limited rounds and infinite rounds negotiations of cooperation games have been studied, and then country responsibility and the enterprise managing risks on foreign trade affairs and so on have been analyzed exactly ; in order to realize the investment multiplication in the certain degree to disperse the risk, the

    本文首先介紹了中美、中歐紡織品貿易爭端的來龍去脈,由此可知在涉外貿易這種以高投入、高風險著稱的行業里,如何甄別和避外貿風險、如何選擇合適的投資項目已經成為外貿企業的首要問題。因此,文分別從統計學、博弈論和投資組合三種角度對涉外紡織品貿易公司風險進行了定性和定量的分析,這也是本文的主要研究內容。首先,統計學篇選取了深圳證券交易所行業分類指?紡織服裝指( ti )每一季度末的交易收盤價和若干種反映宏觀經濟變的指標,利用計量經濟學中時間序列的協整檢驗、 granger因果檢驗和脈沖反應函等理論做實證分析,從而得知反映國內物價水平和國內外經濟景氣程度的經濟指標對紡織板塊上市的沖擊比較明顯,且可知沖擊程度和時滯度,進而分析出涉外紡織企業所面臨的宏觀經濟風險;接著,從博弈論的角度具體分析一家紡織品出口公司( beauty )的外貿活動所面臨的各種經營風險,該篇從博弈擴展圖入手,分析了出口目的國審查方式與本企業出口策略之間的制度安排;並圍繞雙方的利益分配,研究了有限回合和無限回合合作談判博弈,然後具體論述了國家責任和企業涉外經營風險等問題;在一定程度上為了實現投資多元來分散風險的目的,投資組合篇從經典的markowitz模型著手,在一些特定條件的限制下,給出了一個相應的投資組合模型。
  5. Based on an analysis of the sources of errors in airborne gravity measurements, an error model is studied to constructed mathematically which can characterize the change of systematic errors, with which the network adjustment is carried out and the model parameters are determined simultaneously. and finally, the compensation of systematic errors is realized

    航空重力測量測線網平差就是在分析、總結航空重力測量的主要誤差源基礎上,研究建立反映航空重力觀測系統誤差變律的誤差模型,根據交叉點不符條件,平差求解各測線上重力觀測系統誤差改,然後對各測線上所有重力觀測進行改(補償) 。
  6. Based on the pull - out tests data between geogrids and expansive soil / sands arranged by the orthogonal table l9 ( 34 ), the following conclusions are reached : 1 ) the displacement - properties of pullout tests depend on the pullout speed. the law of factors " affecting degree, which influences the parameters between geogrids and soils in the pulling - out procedure, is obtained. with the concept of " equivalent pull - out displacement ( x ) " brought forward, the whole process of pull out tests is divided into two process - " main process ( when x 1. 0 ) " and " residual process ( when x 1. 0 ) ", and three stages - static friction resistance stage, slip friction resistance stage, and residual friction resistance stage

    基於交設計表l9 ( 3 ~ 4 )分別安排了影響因素與土工格柵膨脹土或砂土界面相互作用參的拉拔試驗據,獲悉: 1 )拉拔試驗位移特性主要取決于影響因素中拉拔速率;通過分析並獲取影響因素對筋土界面相互作用參的影響程度及其在拉拔試驗過程中的變律,提出了當量拉拔位移( x )的概念,並據此將拉拔試驗全過程劃分成「主過程( x 1 . 0 ) 」和「殘余過程( x 1 . 0 ) 」 ;且將影響因素對拉拔力或摩擦阻力系的影響程度分成三階段(靜摩擦阻力階段、滑動摩擦阻力階段,殘余摩擦阻力階段) ; 2 )不同(范)定義的筋土界面摩擦阻力系相差較大,但影響因素對摩擦阻力系影響程度及其變律不會因不同(范)定義而受到影響。
  7. Aim at the present condition that the permeability of high rank coal reservoirs and its dynamic change regulation have been rarely studied, based on the modern testing technologies and actual measure data of coalbed methane ( cbm ) well with better drainage effect in qinshui basin, using the international advanced cbm well numerical simulation software ( comet2 ), the dynamic change regulation of the permeability of high rank coal reservoirs during gas recovery has been discussed, using the gas and water recovery process in divided stage is matched

    摘要針對高煤級煤儲層滲透率尤其是其動態變律極少開展研究的現狀,基於現代測試技術和沁水盆地排采效果較好的煤層氣井實測排采據,利用目前國際上較為先進的煤層氣模擬軟體comet2 ,採用分段擬合的方法對煤層氣井的產氣、產水過程進行歷史擬合和修,進而對高煤級煤儲層滲透率在開采中的動態變律進行了探討。
  8. According to the army operational readiness training management stipulation and the present standard, the unified subject design, the unification ascend the statistical system, the unification analysis examination and approval principle, the strict all levels of jurisdiction, facilitates each kind of information gathering, at the same time adapts the different user object information need ; depends on the army local area network, the armed forces net, realizes, between horizontally the vertical units to operation and so on data long - distance input, inquiry, report form, printing, achieves internal information true sharing ; the strict internal supervising and managing system, strengthens the information management, promptly realizes internal data automatically to report, the higher authority department can to report the information to carry on compiles, the merge and the analysis, promptly grasps each kind of resources for the correlation leader the memory, the assignment, the

    根據部隊戰備訓練管理定和現行標準,統一科目設計、統一登統計制度、統一分析審批原則、嚴格各級權限,方便各種信息採集,同時適應不同用戶對象的信息需求;依託部隊局域網、軍網,實現橫、縱向單位間對據的遠程錄入、查詢、報表、列印等操作,達到內部信息的真共享;嚴格內部監管制度,強信息管理,實現內部據的及時自動上報,上級部門能對上報信息進行匯總、合併與分析,為相關領導及時掌握各種資源的存儲、分配、使用狀況提供依據,全面提高部隊作戰、戰備、訓練和保障的應變能力;加強對新舊據、橫縱向據的管理,全面分析和挖掘據間的聯系,充分利用據的潛在價,為資源管理者提供快速有效的決策支持。
  9. The main contributions of this dissertation are listed as the followings : l ) deducing and proving the " three in one " theory of natural monopoly, that is, from the angles of economies of scale, economies of scope and economies of network, giving an explanation of natural monopoly ; 2 ) putting forward the concept of " strict superadditivity " and proving that total value function and total revenue function of network economy have strict superadditivity ; 3 ) summarizing the emerging characteristics in the market definition of natural monopoly, that is, in the monopoly industry, " market " tends to be more and more smaller than " industry " ; 4 ) expounding that the objective patterns of regulatory reforms of the railway industry in china are explicit regulation with partly characteristics of implicit regulation ; 5 ) proving the idea that the structural reforms of the railway industry in china should be hierarchical ; 6 ) demonstrating the theoretical bases for whether infrastructure management should be separated from transpo rt operation ; 7 ) expounding and proving that the interior of the railway industry in china should implement the differential property rights reform pattern

    本文的研究特點在於: ( 1 )在模經濟、范圍經濟的基礎上進一步推導並證明了網路經濟與自然壟斷的關系,即自然壟斷可以從模經濟、范圍經濟、網路經濟三個角度來解釋論述; ( 2 )明確提出了一個與鮑莫爾、潘澤與威利格等人提出的「成本劣加性」相類似的概念? ?價優加性,並證明了網路經濟的總價和總收益函具有嚴格優加性; ( 3 )概括了自然壟斷市場界定中所出現的新特徵,即在壟斷產業中, 「市場」越來越小於「產業」 ; ( 4 )進一步論證了中國鐵路產業制創新的目標模式是兼有部分內生制特點的外生制; ( 5 )在中國鐵路產業的結構改革中應體現分層次的思想; ( 6 )明確論述了內容提要鐵路路網公司等自然壟斷環節是否分割的理論基礎; ( 7 )提出並進一步證明了中國鐵路產業內部應實行差異的產權改革模式。
  10. Water conservacy and hydroelectric projects being programmed or constructed in incised river valley of southwest and northwest of china all relate to weathered and unloaded rockmass. it is very important and significant to study weathering and unloading for engineering design, parameter value choosing, rockmass quality classificatioarockmass excavation, foundation plane choosing, even project running. the dissertation is based on granite rockmass in laxiwa hydroelectric station damsite, yellow river

    劃中或在建設的西南、西北深切河谷區水利水電工程均涉及到巖體風、卸荷問題,而研究巖體風、卸荷對于工程設計、參、巖體質量分級、巖體開挖、建基面選取乃至未來工程運行等具有重要意義。
  11. As composite material are widely used in navigation and physical education equipments for high comparing intensity and module, even it has the approxi - mate zero expanding coefficient, as the same time, configuration of composite has been aroused attention by scientific researchers, the goal of them is to find an integrated structure with high efficiency and intelligent and many function all along. grid structure is the right structure with the high efficiency, the researchers overseas have been studying the structure for many years, which manifests it has many excellent nature ; existing research indicate it has higher stiffness and intensity. the form can be detected in health easily for its open shape

    復合材料具有高的比強度和比模量,同時又具有近於零的熱膨脹系和良好的尺寸穩定性等優良性能,已經廣泛應用於航天航空事業和體育器材生產工業,與此同時,尋求一種高效的、低成本的、並將智能和功能集於一體的結構形式,一直是航空航天追求的目標,具有點陣結構的復合材料格柵結構是這種高效的結構形式,表現出多項優良性能;國外對其進行了大模的理論分析和一些模擬研究,已有的研究表明該結構具有良好的可設計與自動生產性能而無材料之間匹配問題,開放式的結構形式為結構的健康檢測提供了便利,具有廣闊的應用前景。
  12. If either of strength and stress is stochastic variable and another is fuzzy variable, the. fuzzy variable can be transformed to section number on the assumption that the probability of fuzzy variable taking some points in that section is proportional to its value of membership function respectively, then the probability of structural fuzzy event is transformed to general probability with stochastic strength and stress variables and can be solved by general probability theory

    當強度和應力之一為隨機變量,另一個為模糊變量時,提出將模糊變量通過模糊集合截集轉換為區間,並假定模糊變量在此區間取的可能性與相應的隸屬函比。採用上述處理后,結構模糊事件的概率即轉為相應的普通事件概率,可按應力和強度為隨機變量,用常可靠性理論進行求解。
  13. The characteristic brings about some difficulties in the numerical research during their orbital evolution, which leads to the failure of the normalization technique in the general removal impact singularities of celestial mechanics methods and the symplectic algorithm which is successfully applied to the investigation in quality

    這一特徵給其軌道演研究帶來一些困難,包括天體力學方法中一般消除碰撞奇點的處理以及對定性研究十分成功的辛演算法都將在不同程度上失效。
  14. Especially, when the isocline of x is monotone decreasing in 0 < x < 1, the svstem has no limit cycle and is globally stable ; next, we construct a saddle bifurcation at the boundary equilibrium and a degenerated bogdanov - takens bifurcation at the interior equilibrium by choosing appropriate parameter values in the following two sections, where our work are based on the theory of central manifolds and normal torms. we prove that is a codimention 3 focus - type equilibrium. system ( 6. 1 ) will have two limit cycles at some appropriate bifurcation parameter values, and have homoclinic or double - homoclinic orbits at some other appropriate bifurcation parameter values ; at last, we study the qualitative properties of the system at infinite in the poincare sphere

    因為系統在( 0 , 0 )點處沒有定義,這給研究其在( 0 , 0 )附近的動力學性質帶來了困難,我們應用文獻[ 17 ]中關于研究非線性方程奇點的系列理論和方法,圓滿解決了這一問題,給出了第一象限內當t +或t -時,在全參狀態下系統的軌線趨于( 0 , 0 )點的所有可能情況,其相圖也得以描繪;並且,系統不存在極限環的幾個充分條件我們也予以列出,當x的等傾線在0 x 1范圍內遞減時,系統不存在極限環,全局漸近穩定;然後,我們以中心流形定理和型方法為主要工具,巧妙選擇參,分別構造了一個余維2的鞍點分岔和一個余維3退bogdanov - takens分岔,證明了平衡點是余維3的焦點型平衡點,存在參, m ,的使得系統( 6 . 1 )有兩個極限環,還存在參, m ,的另外使得系統( 6 . 1 )有同宿軌或雙同宿軌。
  15. In the paper the characteristics and dividing methods of cells, as well as some relevant computer programmes are given, which have proved to be correct by several examples of structures of bar system the calculation of the new method is simpler because it need not form the global stiffness matrix that is necessary in fem, and solve the boundary problems of partial differential equations

    在此基礎上給出桿系的細胞自動機模型、單元劃分方法、單元特性和演? ?則。並列出了該方法的計算步驟。通過計算分析,驗證了該方法的確性,算例表明該方法對結點位移和桿內力收斂速度較快。
  16. Abstract : a new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    文摘:探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優和子系統優,主優對子系統設計指標進行最優分配,子優以最小分配設計指標與期望設計指標之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優.主優通過子優最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的學模型和求解思路
  17. A new method, collaborative allocation ( ca ), is proposed to solve the large - scale optimum allocation problem in aircraft conceptual design. according to the characteristics of optimum allocation in aircraft conceptual design. the principle and mathematical model of ca are established. the optimum allocation problem is decomposed into one main optimization problem and several sub - optimization problems. a group of design requirements for subsystems are provided by the main system respectively, and the subsystems execute their own optimizations or further provide the detailed design requirements to the bottom components of aircraft, such as spars, ribs and skins, etc. the subsystems minimize the discrepancy between their own local variables and the corresponding allocated values, and then return the optimization results to main optimization. the main optimization is performed to reallocate the design requirements for improving the integration performance and progressing toward the compatibilities among subsystems. ca provides the general optimum allocation architecture and is easy to be carried out. furthermore, the concurrent computation can also be realized. two examples of optimum reliability allocation are used to describe the implementation procedure of ca for two - level allocation and three - level allocation respectively, and to validate preliminarily its correctness and effectiveness. it is shown that the developed method can be successfully used in optimum allocation of design requirements. then taking weight requirement allocation as example, the mathematical model and solution procedure for collaborative allocation of design requirements in aircraft conceptual design are briefly depicted

    探討了一種新的設計指標最優分配方法- -協同分配法,用於處理飛機頂層設計中的大模設計指標最優分配問題.分析了飛機頂層設計中的設計指標最優分配特徵,據此給出了協同法的原理並建立了學模型.協同法按設計指標分配關系將最優分配問題分解為主系統優和子系統優,主優對子系統設計指標進行最優分配,子優以最小分配設計指標與期望設計指標之間的差異為目標,進行子系統最優設計,或對底層元件(如飛機翼梁、翼肋和翼盒等)進行設計指標最優分配,並把最優解信息反饋給主優.主優通過子優最優解信息構成的一致性約束協調分配量,提高系統整體性能,並重新給出分配方案.主系統與子系統反復協調,直到得到設計指標最優分配方案.兩層可靠度指標分配算例初步驗證了本文方法的確性與可行性,三層可靠度指標分配算例證明了本文方法的有效性.最後,以重量指標分配為例,簡要敘述了針對飛機頂層設計中設計指標協同分配的學模型和求解思路
  18. In order to restrict the displacement of relaxed rock effectively, the factors affecting the efficacy of anchor measures are analyzed according to mechanism of action of anchor. in terms of principle orthogonal design, the influence of parameters of anchor to displacement of excavation slope are elevated by computing using finite element method simulation, and the optimal scheme of anchoring parameters including length of anchors and space between bolts and thickness of shot concrete are defined. finally, the optimal scheme of anchor parameters are determined with considering results of theory analyse and numerical calculation, which provide theory bases for engineering

    為了有效防治邊坡開挖后巖體的鬆弛變形,根據錨桿的作用機理對影響錨固效果的主要因素進行分析,並利用處理多因素試驗的科學方法?交設計原理,以有限元計算為手段,以有效約束邊坡開挖位移為標準,評價了錨桿長度、錨桿間距、混凝土噴層厚度等錨固參對邊坡變形的影響大小和律,經過比較分析最終提出了錨固參的優設計方案,為工程設計提供了理論指導。
  19. Secondly, agreement between the result from the mentioned eigenvalue arithmetic and the result from numerical calculation in the airfoil differential equation with runge - kutta method which obtain the trend of physical variable quantity demonstrate the fact that the assumed model and the given equations are valid

    其次,通過用龍格?庫塔的方法對微分方程進行迭代,所求出的系統各振動量變律和上述算例的特徵對比,結果是一致的。這就驗證了建模的合理性和方程推導的確性。
  20. Define a radial basis function ( rbf ) at center of each cluster and learning a two - layer neural network which consists of these rbfs, simultaneously, for the purpose of avoiding over - fitting, we make use of ridge regression method, which adding a weight penalty term including a appropriate regularization parameter on the cost function and then lead to a more smooth function

    為每一個簇的中心定義相應的徑向基函( radialbasisfunction , rbf ) ,再對這些徑向基函構成的兩層神經網路進行訓練,同時,為了避免產生過度擬合現象,本文採用了嶺回歸技術,即在代價函中加入一個包含適當的權懲罰項,從而保證網路輸出函具有一定的平滑度。
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