最壞情況法 的英文怎麼說

中文拼音 [zuìhuàiqíngkuàng]
最壞情況法 英文
worst case method
  • : 副詞(表示某種屬性超過所有同類的人或事物) most; best; worst; first; very; least; above all; -est
  • : Ⅰ形容詞1 (不好的; 惡劣的; 使人不滿意的) bad 2 (表示程度深 多用在表示心理狀態的動詞或形容詞後面...
  • : 名詞1 (感情) feeling; affection; sentiment 2 (情分; 情面) favour; kindness; sensibilities; fe...
  • : Ⅰ名詞1 (情形) condition; situation 2 (姓氏) a surname Ⅱ動詞(比方) compare Ⅲ連詞[書面語] (...
  • : Ⅰ名詞1 (由國家制定或認可的行為規則的總稱) law 2 (方法; 方式) way; method; mode; means 3 (標...
  1. At present, more and more large tonnage ships are built with the development of ship industry, the force between hull and shipway increased, the damage of ship structure was also reported. but the existed method is not efficiently for calculating the distribution of force acted on forward during stern floating which is the moment of truth during ship launching, so it is important to calculate ship launching precisely and take measure to preclude such accident

    目前隨著船舶工業的發展,建造船舶噸位越來越大,船體所受滑道反力隨之增大,在實際生產過程中已有船體局部結構不同程度損的報道,而現有的下水計算方在下水的危險時刻艉浮時滑道反力的分佈方面的計算顯得不夠準確,如何準確進行計算並採取相應的措施來防止這類問題發生顯得十分重要。
  2. Abstract : the gpc or crhpc strategy with input constraints will be possible to lead to infeasibility of the control algorithm and the performance of the control system will get degradation or instable. in order to overcome this problem, a control algorithm with guaranteed feasibility is proposed in this paper. it is shown that the algorithm makes the plant asymptotically stable and drives condition setpoint close to the actual setpoint of the plant

    文摘:在系統輸入受限的下,採用一般的廣義預測控制或受限時域預測控制有可能會造成控制演算不可行,從而使系統的性能變或不穩定.針對這個問題,本文提出一種保證可行性的控制演算,並證明該演算能夠使系統漸近穩定且終使條件設定值跟蹤系統的實際設定值
  3. Present methods generally based on the statistics of earthquake damage, expert experiences, theory analysis and experimental researches have obvious advantages, disadvantages and certain scopes of application ; ( 2 ) different prediction methods should be adopted against different building conditions, sites, intensity and experiences etc to predict earthquake damage of buildings for prospective accuracy, dependability and availability ; ( 3 ) earthquake damage matrix, which is the foundation of earthquake damage prediction, of 7 kinds of building in the urban areas of zhangzhou city under intensity 6 to 9 has been set up. the damage conditions of different buildings under different intensity are as followings : all kinds of structures are basically intact under intensity 6 ; the reinforced concrete structures are basically intact under intensity 7, but other kinds of structures are destroyed slightly ; the reinforced concrete structures are still basically intact while other kinds of structures are destroyed intermediately under intensity 8 ; the reinforced concrete structures are destroyed slightly, single - story factories and open houses are destroyed intermediately and other kinds of structures are destroyed seriously under intensity 9 ; ( 4 ) the results of earthquake damage predicting of buildings embody the damage when earthquake happens in the future. thus, further identifications and reinforcements should be considered to buildings that will be destroyed intermediately or more under the earthquake with 10 % exceeding probability in future 50 years ; ( 5 ) the direct economic losses caused by damage of buildings resting with the area, structural type, intensity and damage of all kinds of buildings are the main part of the losses of the city in an earthquake ; ( 6 ) the direct economic losses increased progressively toward high intensity by 2 or 3 times

    基於上述研究,得出的主要結論有:建築物震害預測是一個模糊的、系統的、復雜的問題,現有的方很多一般都是以震害統計規律、專家經驗、理論分析和試驗研究為依據,有其自身的優缺點和一定的適用范圍;應針對不同的建築物條件、場地條件、地震強度和已有經驗等,採用不同的預測方進行建築物震害預測,以使預測結果達到預期的精確性、可靠性和可操作性;建立了漳州市區7類建築物在6度9度地震作用下的震害矩陣,成為指導抗震防災的重要依據,各類結構的震害表現為: 6度地震作用下各類建築物基本完好; 7度地震作用下除鋼筋混凝土結構基本完好外其餘以建築輕微破為主; 8度地震作用下鋼筋混凝土結構仍以基本完好為主而其餘建築以中等破為主; 9度地震作用下鋼筋混凝土結構以輕微破為主,單層工業廠房和空曠房屋以中等破為主,其餘建築以嚴重破為主;建築物的震害預測結果體現了未來地震來臨時的震害程度,在編制漳州市區抗震防災規劃時,對于遭遇50年超越概率10的地震影響發生中等以上破的建築物應考慮進行抗震鑒定和加固;由建築物的破所造成的直接經濟損失是城市地震經濟損失的主要部分,重慶大學碩士學位論文中文摘要其主要與建築物總面積、結構類型、地震烈度和各類建築物的震害程度有關;不同烈度造成的直接經濟損失按2一3倍向高烈度方向遞增,漳州市區直接經濟損失由6度至9度的比例關系為1 : 2 . 8 : 8 . 6 : 22 . 8 ;遭遇基本地震設防烈度( 7度)時,漳州市區直接經濟損失約4 . 5億元,無家可歸人員約40000人,且以磚木結構和多層磚混結構的震害損失大;地震造成的人員傷亡主要與建築物倒塌及嚴重破的程度和總面積以及震時的建築物室內人數密切相關,地震時無家可歸人員主要與住宅倒塌、嚴重破及中等破的程度和總面積以及城市人均居住面積密切相關。
  4. Finally, we introduce the concept of the rule subset and the multiple fields packet classification algorithms can make use of the fast ip routing search algorithms base on the new concept. so we put forward the field - divided classification algorithms in the ipv6 circumstance and the new algorithms need seven times to access memory in the worse case

    後考慮ipv6下的報文分類演算,本文引入了規則子集的概念,並利用該概念使多維報文分類可以利用現有的一維快速ip路由查找演算,提出了可適用於ipv6的分域查找演算,該演算下只需要7次訪存。
  5. There are two kinds of methods of studying the mutual interference issues : mcl calculation and monte carlo system simulation. the former is simple and fast, but not practical

    Mcl ( minimumcouplingloss )計算方研究的是在下鄰通道干擾的大小,這種方簡單高效,但得出的結論不太符合實際的復雜系統。
  6. Researching on the technology if reverse order is to study strains if pits, structural systems if basement, environmental surwey and underpinnings. on account of emphasizing developing methods if checking strength if pick - ets, modemizing machenes of excavation and studying methods of underpinning is put forward and is a way if controlling the quality of pickets in sites, which leads an active effect ; synthetic application if rankintheory, spatial and time effect theory to excavation tl aanalyze the state of soil force and strain is brought forward and the time effect should be considered in the zone of clay, the formation and development of soil plasticity are analyzed and the most dangerous zone to decide how to excavate and where to begin is found ; analyzing the cause of picket settlement during reverse order and the differential settlement and discussing hlw to solute it. duringh the temporary survey and the environmental warship, bringing rorward the theory of environmental vibration and analyzing the state of soil force and probability of losing stabilization of soil under the effect of environmental vibration ; analyzing the state offeree in underground concrete wall by the method of mathematics and pointing out the place of the maximum force and deformation. based on systematic illustrating the reverse order, problems about application and development of reverse order and suggestions also are expressed

    鑒于國內外的研究把重點放在大力發展工程樁的實驗室承載力監測方與設備、如何使土方開挖機械現代化及對周圍建築的臨測方上,本文提出了現場利用聲波層析成像技術監測鋼砼樁內部質量的方與程序,並得出了聲波層析成像技術是砼樁的動態質量檢測的有效手段,這對指導施有積極、現實意義;提出了綜合運用朗肯土壓力理論、基坑空間和時間效應影響理論來分析逆作施工過程中基坑邊坡土體應力及應變的變化,指出粘土地區也應考慮時間效應,並且進一步分析了基坑邊坡土體的塑性區形成和發展,找出邊坡不利的區域,以確定地下室土體的挖掘的方式和順序,指出憑主觀臆斷與經驗來施工是不可取的;在分析、經較逆作與大開挖順作的地下室結構體系受力及施工順序的不同,提出了節點處理技術;分析了逆作施工期間樁的沉降變化原因及由此而產生的差異,並探討了解決的方;本文還提出了環境振動對土體邊坡穩定產生影響的觀點,並分析了在環境振動影響下,土體的應力狀態及土休失穩破概率,並且還運用彈性力學知識和數學分析的方定量地分析了地下混凝土墻受力狀態,指出了被監測墻體的大應力、應變位置。
  7. Worst case design

    設計
  8. Taking the form of lap joint as an example, the effect of final assembling deviation affect by the assembly sequence was analyzed by adopting the method of worse condition

    以搭接接頭形式為例,採用最壞情況法分析了裝配順序對終裝配偏差的影響。
  9. Main contents and contributions of this paper are as follows : as tolerance analysis theory is concerned, the traditional methods like worse - case analysis, moment method, mc analysis are studied systemic, tolerance analysis method based on interval mathematics is discussed emphatically. besides, applications and algorithms ( including importance sampling, genetic algorithms ) of tolerance analysis are reviewed

    本文主要研究工作如下:在電路容差分析理論方面,系統地研究了傳統的容差分析方,如分析、矩、 montecarlo,在此基礎上對區間容差分析進行了深入的研究。
  10. The worst - case ratios of our algorithms are, respectively

    界角度來看,它們優于mlpt演算
  11. Sens is a practical, foreseeable approach to curing aging because all the types of metabolic side - effect whose accumulation is ( or is even hypothesised to be ) eventually pathogenic are amenable to repair ( or in some cases obviation, i. e. disruption of the mechanism by which they become pathogenic ) by techniques that, according to the experimentalists who have performed the key work on which those techniques build, can ( with adequate funding ) probably be implemented in mice within a decade or so

    Sens是用於治愈老化的實用而且前瞻性的方,因為所有類型的代謝副作用都應該由某些技術來修復(在某些下應該排除,也就是說,變成病源性的機制應該破) :它的積累終是(或假設是)病源性的,實驗家進行了關鍵的研究工作,確立了某些技術,按他們的說,這些技術也許可以(若給以足夠經費)在十年左右的時間內在小鼠中實現。
  12. It has thus been demonstrated that a tiered approach at all three steps can be helpful to optimize the use of the available resources ; if relatively crude tools ? designed to provide a “ worst case ” estimate ? do not suggest a toxicologically significant exposure ( or a relevant deficit of a particular nutrient ) it may not be necessary to use more sophisticated tools

    已經證明,在所有的三個步驟中一種分層的方能夠有效優化可用資源:如果一種相對粗糙的方設計用來對進行評估沒有顯示有毒理學意義的暴露(或者某種特定營養的不足)那就不需要再使用更精確的方
  13. It is shown that randomized algorithms can decrease the computational complexity dramatically instead of seeking worst case guarantees. in addition, examples in this paper show that employing randomized algorithms is very efficient and has obvious advantages especially when uncertain interval parameters appear multilinearly or nonlinearly in the characteristic polynomial coefficients

    研究表明,在不考慮的意義下,隨機化演算可以顯著降低計算復雜性,另外,當不確定區間參數以多線性或非線性的方式出現在特徵多項式系數中時,採用隨機化演算具有明顯的優點並且是非常有效的,文中給出了計算實例。
  14. Firstly, by analyzing former researches and visible watermark characteristics, a visible watermarking algorithm with feature of holding image content is realized. secondly, using redundant embedding technique to embed watermark and extracting watermark according to watermark content, a meaningful invisible watermarking scheme is proposed ; thirdly, combining with vision characteristics a resilient - prone scrambling algorithm and a restoring scheme of scrambled image with data loss are proposed, image scrambling technique of irregular region is discussed. based on the proposed algorithms, a digital watermarking system scheme is designed

    通過分析前人的研究進展,結合可見水印特性,在小波域實現了一種具有圖像內容保持特性的可見水印演算;利用水印冗餘嵌入技術進行水印嵌入,根據水印遭破進行水印提取,給出一種有意義水印的嵌入和提取方案;結合視覺冗餘特性提出並實現了一種易於恢復的圖像置亂演算和一種受損置亂圖像的恢復方案;探討了不規則區域的圖像置亂方,在此基礎上,設計了一種置亂演算在數字水印演算中的應用框架;後整合本文所提出的演算,實現了一個基於視覺特性的圖像水印系統。
  15. 5 yulin zhou, pengrong xiong, hong zhu. an improved algorithm about the closest pair of points on plane set. computer research and development, 1998, 35 : 957 - 960

    這樣,在歸並時,只需要計算3n 2對點對之間的距離,從而使整個演算計算距離的復雜度降為3n lg n 2 ,這個值為初sh演算的一半。
  16. In one process of combination, the euclidean distances between 3n pairs of points need to be computed, so the overall complexity of computing distance is then 3n - lg n. since the computation of distance is more costly compared with other basic operation, how to improve sh algorithm from the aspect of complexity of computing distance is considered

    對帶左半部分內的每個點,演算需要考慮帶右半部分內的至多6個點,假設平面上點的個數為n ,該演算在歸並時下需要求出3n對點對之間的距離,從而整個演算計算距離的復雜度為3n lg n 。
  17. We prove that the worst - case ratio of algorithm d is 15 / 13, which is better than any other approximation algorithm except polynomial time approximation scheme considering with both worst - case ratio and time complexity

    我們證明了對三臺機形,演算d的界為15 13 ,該演算界和時間復雜性優于除近似方案以外的已有近似演算
  18. At worst, it leads to rfps that are little more than requests for vendors to perform magic

    下,這導致rfp弄得來跟要求廠商變魔一樣荒謬。
  19. In part two, the scheduling problems on uniformly related batch machines are firstly delivered. two kinds of problems are considered : minimize the makespan and minimize the maximum lateness. the relation between batch scheduling and classical scheduling is declared, then an interesting transform lemma is obtained

    第二部分對于m臺同類機,工件的到達時間相同的,提出了分批問題q | b | cmax的演算bls ,演算blpt以及根據mf演算改進的一些演算,然後,針對這些演算,給出了分批排序問題q | b | lmax的性能比分析。
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