非穩定結構 的英文怎麼說
中文拼音 [fēiwěndìngjiēgòu]
非穩定結構
英文
undefined structure- 非 : Ⅰ名詞1 (錯誤) mistake; wrong; errors 2 (指非洲) short for africa 3 (姓氏) a surname Ⅱ動詞1 ...
- 穩 : 形容詞1 (穩定; 穩當) steady; stable; firm 2 (穩重) steady; staid; sedate 3 (穩妥) sure; rel...
- 定 : Ⅰ形容詞1 (平靜; 穩定) calm; stable 2 (已經確定的; 不改變的) fixed; settled; established Ⅱ動詞...
- 結 : 結動詞(長出果實或種子) bear (fruit); form (seed)
- 構 : Ⅰ動詞1 (構造; 組合) construct; form; compose 2 (結成) fabricate; make up 3 (建造; 架屋) bui...
- 穩定 : 1 (使穩定) stabilize; steady 2 (穩固安定) stable; steady 3 (物質的性能不易改變的作用) stabi...
- 結構 : 1 (各組成部分的搭配形式) structure; composition; construction; formation; constitution; fabric;...
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Destabilization laws of an arcuated built - up system bridge are provided, nonconservative force of hanger rods and members " bearing force are integrated in order to consider influence of hanger rods towards arch stability
提出了拱式組合體系橋梁的失穩規律,將吊桿非保向力和構件受力結合起來考慮吊桿對拱穩定性的影響。As the world economy goes to reginonalization, collectivization, the district economy is be coming more and more important in the world economy. the members of all the district economy organization make the inner - reginal trade, the movement of elements, the speed of economy increasing constantly because of the advantages of arens, resources and mutual supplements of economy structures, meantime, the members, who is not in the exclusivism andtrade protectionism, so china must make strong economic relationship between the countries ane areas nearby in order to develop the economy stably and taking eonomic cooperation and join the system of inter - reginal economy cooperation
隨著世界經濟呈現出區域化、集團化的趨勢,區域經濟圈在世界經濟中所佔的地位也在逐步提高,各區域經濟組織成員由於地緣、資源優勢、經濟結構互補等原因,使得區域內部的貿易、要素流動、經濟增長速度不斷增加,同時,對于區域經濟組織外的非成員則不可避免地造成排外主義及貿易保護主義。所以,對中國而言,為促進經濟的持續穩定增長,就必須加強與周邊國家及地區之間的經濟往來,同時要進行全方位、多層次的區域性經濟合作,進而參與到國際區域經濟合作的體系中。Output can be obtain, next we use our designed the wavelet soft threshold to select result of the wavelet transform, finally, we give the selected result reversal wavelet transform. it is obvious : the wavelet soft threshold is important to improve the quality of the gray image processing. i give the donoho wavelet soft threshold a modified value method, which has a relation with ratio of signal - noise. i made full use of discrete hop field single feedback neural network, and nonlinear steady of automatic system at last, i obtained a steady limited ring, give the energy function an order differential a optimal
我的思路是:改造現有圖形結構,先建立能反映信噪比大小且含待定參數k的表達式,然後通過離散型h0pfi舊單層反饋神經網路,再結合前邊的混合濾波器構成一個非線性控制系統,寫出對應的網路函數,利用相平面法和李雅普諾大穩定性的判據,得到一個穩定的極限環,從而確定出參數卜的范圍,進而再對原來的小波軟閾值進行修正,用修正後的值作為小波閾值。And by a machine configure file, the general postposition process is dealed with. at last, from the view of software engineering, the structure of this system is introduced. according to the achievements, nc automatic programming for noncircular surface gringding based on acis is successfully developed. the result of application shows that it is satisfying
在上述研究成果的基礎上,設計了基於acis幾何造型平臺的非圓曲面數控磨削自動編程系統的總體結構,同時,運用面向對象的設計方法,開發了基於acis的非圓曲面數控磨削加工自動編程系統,並運用於實際生產,性能穩定,效果良好。The three - order modulator has a 2 - 1 cascaded structure and 1 - bit quantizer at the end of each stage, the modulator is implemented with fully differential switched - capacitor circuits. and then, the discussion will begin by exploring the design of various circuit blocks in the modulator in more detail, i. e., ota, switched - capacitor integrator, quantizer, two - phase non - overlapping clock signal, etc., at the same time, these circuits will be simulated in spectre and hspice. at last, the whole cascaded modulator will do behavioral level simulation by matlab soft and simulink toolbox
本論文中,首先介紹模數轉換器的各種參數的意義,以及一階sigma - delta調制器和高階sigma - delta調制器的原理;給出解決高階單環sigma - delta調制器不穩定性的方案,引入級聯結構調制器,特別針對級聯結構調制器中的失配和開關電容積分器的非理想特性進行詳細的討論;本設計的sigma - delta調制器採用2 - 1級聯結構和一位量化器,調制器採用全差分開關電容電路實現;同時對整個調制器的各個模塊進行了電路設計,包括跨導放大器、開關電容積分器、量化器、兩相非交疊時鐘等,並利用hspice和spectre模擬工具對這些電路進行模擬測試;最後,利用matlab軟體和simulink工具對整個級聯調制器進行行為級模擬。On the basis of experimental research, this thesis applies 2 - dimensional non - linear finite element method to the analysis of transient temperature field on the section by means of relatively high precision triangular element of six joints. when the temperature field is analyzed, finite element reseaus are divided in space field and finite difference reseaus are divided in time field, and then the program is compiled. the computing results are in good agreement with the test data
在試驗研究的基礎上,本文採用精度較高的三角形六結點單元對構件截面二維非線性瞬態溫度場進行了有限元分析,即在空間域內採用有限元網格劃分,在時間域內採用有限差分網格劃分,據此編制了計算程序,計算結果與試驗數據符合較好,程序穩定性好,精度滿足要求。In part, the article will begin with comprehensive discussion of the rationality of the self - regulation, while highlighting the nature of the self - regulation rights, and the two major source of the self - regulation rights, and analyze every concrete right, such as the right of issuing banking codes, the right of supervision, the right of non - legal punishment and disputes settlement, respectively
本論文站在充分肯定銀行業自律管理的立場上,對銀行業自律管理合理性、必要性以及可行性進行了論證;提出了自律是穩定和發展銀行業最本質和最基礎的結構性條件。而國家立法機關和政府監管機關必須充分尊重銀行業自律組織的規章制訂權,非法律懲罰權,監管權和爭端解決權等諸項自律管理權力。In the search for a safer alternative to chlorine vacuum gas injection, fresh and wastewater treatment, paper and textile plants, and aquatic centers are converting to the use of sodium hypochlorite as a disinfectant or bleaching agent
盡管一些系統結構設計考慮非常重要,但是,熱、時間和陽離子仍然是漂白劑穩定性的敵人。The model - free pid control method with neuron tuning gain and the neuro - fuzzy control method for a constant cutting force metal turning process system are proposed. the former method keeps the cutting force to be constant by using the neuron to change the pid controller gain on - line. the latter method construct the fuzzy neuron controller by combing the fuzzy controller and the neuron controller
針對具有非線性和不確定性的機械加工切削過程,提出了神經元增益自整定的pid控制方法和模糊神經元非模型控制方法,前者採用神經元來在線調整pid控制器的增益,後者將模糊控制器和神經元控制器相結合構成模糊神經元控制器,這樣當對象特性隨切削深度的變化而變化時,所設計的控制器能保持切削力恆定,使系統穩定並具有滿意的動態品質。We research the causes of concrete cracking, develop the high performance anti - cracking additive, optimize the concrete mix and construction techniques, increase the stability of concrete volume by shrinkage compensation, enhance splitting tensile strength, and can meet demand of high workability of fresh concrete. in the study, a thorough investigation of this problem is made from all points of view, with the aid of various modern measurement & testing technology and different theories & methods in surface physical chemistry, structural chemistry, solid - state chemistry, composite materials, fracture mechanics, etc. our research results have shown that the various shrinkage of concrete cause concrete cracking in building engineering, such as autogenous shrinkage, dry shrinkage, temperature shrinkage, plastic shrinkage, carbonized shrinkage, etc
目前,解決混凝土開裂的方法是綜合的,我們調查研究了混凝土開裂的原因,開發研製了高性能抗裂外加劑,優化混凝土的設計和施工方法,並通過補償收縮達到混凝土體積穩定,提高抗裂強度,滿足混凝土拌和物高工作性能的要求。本研究採用多種測試技術,應用表面物理化學、結構化學、固體化學、復合材料學、斷裂力學等多學科的理論與方法,從不同的角度進行深入的研究和探討。通過調查研究建築工程中出現的混凝土開裂、滲漏問題,發現混凝土在非荷載作用下開裂主要是由混凝土的自收縮、乾燥收縮、溫度收縮、塑性收縮、碳化收縮等各種收縮變形引起的。The stability behavior of kiewitt ' s suspen - dome was analyzed on the initial state. by the geometrical nonlinear finite element method, the equilibrium path is traced using the cylindrical arc length technology and incremental newton - raphson method. the influence of kinds of parameters is studied
採用非線性有限元理論,結合牛頓荷載增量法和柱面弧長法的跟蹤技術,對kiewitt型弦支穹頂結構進行了考慮幾何非線性的全過程分析;為了掌握各個參數對靜力穩定性的影響程度,進行了參數分析。Stable solution of nonlinear age - structured forest evolution system
非線性林齡結構森林系統的穩定解During the trenching procedure, until concrete casting is taken, it is very crucial to maintain the stability of the trench wall, which relatives closely to geologic conditions, particle size, groundwater state, trenching skills and so on
槽壁的穩定與地質結構、顆粒大小、地下水情況、施工工藝等因素有著密切的關系,泥漿固壁是保證槽孔穩定最有效的方法。泥漿固壁的機理和槽壁的穩定關系分析是一個非常復雜的問題。Because of the large advantage in the analysis of electromagnetic scattering and radiation problem, using the time domain integral equation ( tdie ) solving every structure of objects ’ scattering become to an important direction in computation electromagnetics, but the classical mot ( marching - on - in - time ) - based tdie solvers have a drawback : the late time stability problems
由於時域積分方程對于分析電磁散射、輻射問題有著無可比擬的優勢,利用時域積分方程求解各種結構體目標散射成為計算電磁學領域中一個非常重要的方向。但是傳統的時間步進法求解時域積分方程存在致命缺點:后時穩定性不好。Through the example of the practical project, the 3 - d simulative calculations of transient temperature and stress fields of the concrete structure are conducted based on the practical construction scheme. study on the mechanism of the concrete cracking is made and the corresponding methods of. crack repairing are also discussed deeply
以實際工程為例,根據實際混凝土澆築施工方案對混凝土結構中的非穩定溫度場、徐變應力場進行了三維模擬計算,對結構上已出現的貫穿裂縫的成因機理作了較深入的分析研究,提出相應的防裂措施和裂縫補救方法。Teaching structure is, under the guidance of certain education ideology, teaching theory and study theory, a stable one in which teaching activities are developed under some circumstances and a centralized reflection of education ideology, teaching theory and study theory. studying this question is important for further transformation of education
教學結構是指在一定的教育思想、教學理論、學習理論指導下、在某種環境中展開的教學活動進程的穩定結構形式,是教育思想、教學理論、學習理論的集中體現,研究這個問題對于進行更深層次的教學改革,意義非常重要。The results indicate that the stability for bifurcation point equilibrium configuration and post - buckling equilibrium path of roof strata can be revealed and an effective method for determining displacement field of imperfection structure can be provided by using initial post - buckling theory
應用初始后屈曲理論可揭示淺埋煤層長壁開采頂板巖層的分叉點平衡構形及后屈曲平衡路徑的穩定性,是確定非完善結構位移場的一種有效方法。Based on the steel - concrete coordinating relations, element stiffness matrix of geometrically nonlinear analysis, formulas for self - stresses by temperatures and displacements, stresses of corresponding superfluous structures are further studied. furthermore, a new theory and method for structural geometrical nonlinearity and buckling analysis is put forward
根據鋼混協作關系進一步推導出鋼混組合構件幾何非線性分析單元剛度矩陣、溫度自應力及鋼混超靜定結構溫度位移和應力的計算公式,建立了一種新的基於鋼混協作關系的異種材料組合構件的幾何非線性和結構穩定性分析方法。Accounting for the effects of imperfection and large displacement of arch, an approach for the stability analysis of arch bridge is presented , and a program is developed to predict the nonlinear buckling of arch the elastic lateral stability of the jiefang arch bridge in guangzhou during the construction phases and operating periods after its completion is analyzed the results show that the effects of initial deflection and large displacements on the critical load of lateral stability are significant, and that once the initial deflection and large displacement are taken into account, the values of the safety factor are smaller than those obtained by linear buckling analysis
考慮拱肋初始撓度等缺陷的影響,採用桿系結構大位移分析的有限元方法,建立了拱橋非線性穩定的計算方法,並編制了相應的計算程序文中計算了解放大橋鋼管混凝土拱橋在施工階段及成橋后運營期間的彈性側傾穩定結果表明:考慮拱肋初始撓度和結構大位移影響后,拱橋的非線性側傾穩定安全系數比按線性穩定計算值低The results show that the stress rate criterion applies for the judgment of the truss structural instability, and the criterion is more effective and definite in the local instability
結果表明,應力變化率準則可以有效判定桿系結構的動力失穩,並且在判定結構的局部失穩方面非常有效和明確。分享友人