縱向運動方程 的英文怎麼說
中文拼音 [zōngxiàngyùndòngfāngchéng]
縱向運動方程
英文
longitudinal equation- 縱 : Ⅰ動詞1 (釋放; 放走) release; set free; let go 2 (放任; 不約束) indulge; give oneself up to; l...
- 運 : Ⅰ動詞1 (物體位置不斷變化) move; revolve 2 (搬運; 運輸) carry; transport 3 (運用) use; wield...
- 方 : Ⅰ名詞1 (方形; 方體) square 2 [數學] (乘方) involution; power 3 (方向) direction 4 (方面) ...
- 程 : 名詞1 (規章; 法式) rule; regulation 2 (進度; 程序) order; procedure 3 (路途; 一段路) journe...
- 縱向 : [造紙] direction; machine direction; endwise; longitudinal direction; vertical; longitudinal縱向...
- 運動 : 運動[舊時用語] arrange things or get things done through pull
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Then fourier transformation is employed to solve equations of motion of the rings, bulkheads, stringers and fluid respectively, with their reactions ( moments ) expanded by the shell ' s in - vacuo modes. by means of continuity conditions on the interfaces between the shell and the stiffeners as well as the fluid, and inverse fourier transformation, the modal reactions ( moments ) are finally expressed by the shell ' s modal velocities
然後用fourier變換分別求解環肋、艙壁、縱骨和流場的運動方程,將它們對殼體的作用力(力矩)用殼體周向模態展開,利用它們與殼體在連接處位移連續條件以及fourier逆變換得到用殼體速度表示的模態相互作用力(力矩) 。By performing fourier transformation, the relationship between the turbulent intensity of the particle and that of the carrier fluid was obtained which makes clear that particle size, specific gravity, velocity gradient, and the characteristic frequency of energy - containing eddies are four basic influencing parameters. it is proven theoretically that under certain conditions, the stream - wise and transverse particle turbulent intensities exceed those of the carrier fluid. based on the equations of two - phase flow, the presence of fine sediment suspension is shown to attenuate the turbulent intensity of the water
通過對細小顆粒在剪切流場中運動方程的fourier分析,得到了顆粒脈動強度和流體脈動強度之間的定量關系,表明顆粒粒徑、顆粒密度、流速梯度以及紊動場含能旋渦的特徵頻率是影響顆粒脈動強度的主要因素,首次從理論上證明了在一定條件下,顆粒在縱、垂向的脈動強度均會超過相應的流體脈動強度,為已有的實測資料提供了合理的解釋。The paper analyzes comparatively interior transaction cost of integrated model with analysis structure of r. h. coase and market transaction cost of market model according to bargain proceeding ; analyzing economy of scales for electricity industry on the terms of its definition coming up with an improved " survival of the fittest " method to find optimum economic scale and explaining " separation of power plant from electric network " with the view of vertical economy ; studying selection and realization for valid competition of electricity industry with theory of contestable market, while setting up a oligarch monopoly competition model for the electricity market based on tax control of government with the thought of dynamic game theory of
應用科斯的交易成本分析框架對一體化管理模式下的內部交易成本進行分析,按照契約過程對市場化模式下的市場交易成本進行分析,並作了相應比較;按照規模經濟的定義對電力產業的規模經濟性進行了分析,提出改進的"適者生存法"來確定電力產業的最優經濟規模,並運用縱向經濟的觀點解釋"廠網分開" ;應用可競爭性理論研究了電力產業的有效競爭方式的選擇和實現,同時借鑒stackelberg模型的動態博弈思想,構建了基於政府稅收調控的電力市場寡頭壟斷競爭模型,通過對模型的分析說明了市場結構的演化和政府管制的必要性。Longitudinal movement differential function is adopted here as identification model based on analysis of helicopter characteristics ; recognition, rejection and rectification unreasonable data is the first job in the second part
( 1 )在分析直升機特性的基礎上選取了直升機的縱向運動微分方程作為辨識的模型。With the sample of longitudinal motion equation, calculating hydrodynamic coefficients by the potential fluid theory is introduced
並以其縱向運動方程為例,詳細介紹了用勢流理論求解水動力系數的方法。With the using of microsoft visual basic 6. 0, a multimedia computer - aided design system of small type pumping irrigation district is developed in this paper. provided with the live multimedia messages as well as a good man - machine conversation mechanism, this system can help the user to finish the planning of an pumping irrigated area such as the layout of canal system, the selection of pump models, the establishment of the irrigation program, the calculating of canals " parameters, the estimate of the project magnitude, the selection of the field constructions, the economic analysis of the project, the output of results, etc, a new oo ( object oriented ) programming method is adopted in this system, various softwares are integrated in this systems as well by the " automation " technic provided by vb, in addition, the multimedia technic is applied to this system for the first time, it makes the system easy to ope rate. as for the optimization of the canals " section, a new optimization method is adopted based on the existing theories about the canals " section, and in this way, with the purpose of minimizing the project ' s investment as well as a stalized canal, limited by the longituding slope, the canals " best feasible parameters can be deduced. furthermore, a integral method to reckon the earth work is developed in this paper, by this way, the estimate precision of the earthwork is enhanced notably. this paper includes the particular illumination for the developing procedure of each systems " segment, and in the end, the directions of the system are demonstrated in a sample area which lies in the zhaija village, taizhou city, jiangsu province, the running results showed that the initial purposes are achieved effectively, and it has a preferable practicability
在渠道縱橫斷面優化方面,本文在利用已經比較成熟的縱橫斷面優化理論的基礎上,提出以工程總費用最小為目標函數,以渠道縱坡i為控制變量,以渠道不沖不淤流速及灌區允許地面比降為約束條件,通過縱橫斷面聯動優化的方法得到渠道的最佳工程可行的斷面參數。另外,針對部分地區的取土困難的狀況,本文採用積分法計算渠道工程土方量,從而大大提高了土方量的估算精度,有助於準確控制工程投資規模及資金投向。本文詳細闡述了該系統所採用的編程方法、系統構成、系統各組成模塊的開發過程以及灌區規劃所採用的優化方法及原理,最後應用本系統對泰州市翟家村機電灌區進行規劃設計,運行結果證明其操作比較簡便,界面友好,運行速度快,規劃成果合理,基本達到了系統預定的要求,具備較強的實用性。The aircraft ' s longitudinal motion short period poles and long period zeros in right plan e may make the aircraft control system be not got by only using qft. so pole and zero assignment by state feedback is needed to change this circumstances and then qft is used to get the control system. simulink results are given to prove at the system meets the requirements.
飛機縱向運動方程的短周期和長周期的右半平面可能存在零極點對問題,這對飛機控製造成不利影響,直接利用定量反饋理論不能滿足要求。本次論文首先進行短周期狀態反饋極點配置,然後利用定量反饋來解決這個問題。通過模擬分析得到滿意的結果。On the basis of the theory of thin shells and the non - moment assumption, the equations of motion of the cylindrical shells under longitudinal line - loading are derived in the case of ignoring the shearing stress, and then, the set of partial differential equations are solved by the fourier series method
基於薄殼理論和無矩假定,在略去剪切應力的情況下推導了圓柱殼在縱向線載荷作用下的運動方程,並採用fourier級數法進行了求解。The article has researched the intention of agricultural industrialization which is guided by market and mainstay enterprises, based on agricultural product base organized by a lot of families, and characterized by joint management and mutual benefit. it also realized production specialization, product commercialization, service socialization and etc. the article has also researched the existing conditions of agricultural industrialization both at home and abroad. although it is different in national conditions and actual practice, the developed countries follows the market economic law and naturally steps on the road of agricultural industrialization. as the continuous reforming and opening up, china actively explores and enhances the management level of agricultural industrialization. the writer uses system changing theory, scale management theory, trade expense theory. market system theory and industrial economics theory, to put forward the main type of mainstay enterprises, which is divided by ownership, organization form, contact form and product. the writer thinks that development of mainstay enterprises can promote effective joining between small production and big market, the developing of high - benefit agriculture, establishing trade / industry / agriculture operation system, region economics and joining process between urban area and rural area. the existing conditions in strengthening the mainstay enterprises in zhaoyuan embodies continuous expanding in scale. continuous widening in fields, continuous enhancing in benefits, continuous improving in techology and quality. by finding the problem and shortage in product quality, developing ability and scale strength, the article has put forward the following views : face to market and enhance quality and techological content of agricultural products ; enforce flexible policy and investments ; establish fair and reasonable benefits joining system. the article has also put forward the countermeasures and suggestions on enhancing the enterprises ' management level
文章研究了農業產業化經營的內涵,明確其以市場為導向、以龍頭企業為依託、以一大批農戶組成的農產品生產基地為基礎,形成農工商有機結合、風險共擔、利益均沾的本質特點,表現出生產專業化、經營一體化、企業規模化、產品商品化、服務社會化等特徵。分析了國內外產業化經營的現狀,認為盡管各國的國情不同,具體的做法和叫法不盡相同,但是經濟發達國家都遵循市場經濟規律,很自然走上了農業產業化經營的道路,發展中國家紛紛仿效,中國也隨著改革開放不斷深入,積極探索發展提高農業產業化經營水平。作者運用制度變遷理論、規模經營理論、交易費用理論、市場機制理論和產業經濟學理論,提出了龍頭企業從所有制形式、從組織形式、從聯系方式及從產品上劃分的主要類型;認為發展龍頭企業有促進小生產與大市場的有效對接、推動優質高效農業縱深發展、建立貿工農一體化運行機制、振興區域經濟、加速城鄉一體化進程等作用;考察了招遠市壯大龍頭企業推進農業產業化的現狀,表現在規模不斷擴大、領域不斷拓寬、效益不斷提高、技術不斷改進、質量不斷提高等方面;找出了龍頭企業產品質量上、開發能力上、規模實力上和行業自律上的問題和差距,提出了要面向市場,努力提高農產品的質量和科技含量,多策並舉,搞活投入機制,建立公平合理的利益聯結機制,加強行業自律,提高企業經營管理水平等對策和建議。The central contents in this paper is : first, the reference frame is defined and the movement equation and the transfer function of the body are proposed in portrait plane. so the module of the center of mass stabilization loop is proposed
本文研究的主要內容是:第一,定義了坐標系,並在導彈的縱向平面內推導了彈體的運動方程和傳遞函數,確定了質心穩定迴路的模型。The submarine structure is simplified to single or double infinite cylindrical shell stiffened with rings, bulkheads and stringers, focusing on underwater sound radiation from the single shell. the shell motion is described by donnell ' s theory including excitation forces and reactions of rings, bulkheads, stringers and fluid, which leads to the fluid - structure coupling vibration equation. expressing displacements by velocities, applying modal expansion circumferentially and fourier transformation longitudinally result in the shell ' s modal equations of motion
殼體的運動方程採用較為簡單的donnell理論描述,運動方程中包括了激勵力、加筋結構(環肋、艙壁和縱骨)和流場對殼體的作用力,從而組成流場-結構的耦合振動方程,並進一步將方程中的位移用速度表示,然後沿軸線方向進行fourier變換,將速度和各項荷載沿圓周方向進行模態展開,得到了殼體振動的模態運動方程。The third chapter centers on the internal qas. firstly. the author analyzes the six systematic elements related to learns " study such as web teachers, study collective. curriculum resources, web - based distance education organization, local teaching centers and social circumstances. secondly. the operative mechanism of the system is analyzed from both longitudinal and horizontal aspects. particularly from horizontal aspect does the author divide the systematic activities into two modules interaction among learners & web teachers and learning supportive service. lastly, four major aspects. which are managerial philosophies, technological mode & curriculum resources. web teachers and construction of local teaching centers, have been dealt with to improve the present quality situation of wecs
先分析了遠程教育系統中以學習者為中心的六個要素: web教師,學習集體、課程資源、網路遠程教育組織、地區教學中心和社會環境。然後分別從縱向和橫向分析了系統運行機制,特別是在橫向方面,把系統活動分成互為表裡的兩大模塊:師生教學交互活動和學習支持服務體系。最後從管理活動保障入手,重點論述了與當前網路遠程教育質量提高密切相關的四個方面:管理理念、技術模式和課程建設、 web教師和教學點建設。The thesis is one sub - item of machine vision system, is aimed to study the application of image processing and recognition technique in vision system, and to fit curvilinear equation. then, computer communicate with dsp controller through com communications and dsp control two stepping motors to realize cross motion and longitudinal motion. for this, the paper mainly includes two aspects as follows : the first aspect is the design of image processing and recognition
本文是機器視覺的研究項目中的子項目,主要研究圖像處理與識別技術在機器視覺系統上的應用,以及對識別出曲線擬合成方程,作為上位機採用串口通信輸出到下位機,下位機由dsp控制兩臺步進電機進行橫向和縱向運動,本論文主要研究上位機部分,包括以下兩個方面的內容。Its invalidation of turning rupture leads to driving safety problems on the basis of research on the torsion bar spring in the suspension system, the paper finds the way to enhance the performance of the suspension system. the paper establishes the mathematical model of the double wishbone independent suspension, analyses the specific structure in theory, uses the softwares of adams and matlab to simulate the functions which are nearly similar with the actual working conditions. at the same time, the paper adopts the way of parameterized design, programs to adjust the system parameters conveniently and inducts the optimize design with the concrete targets to improve the suspension system performance
本文的研究方法是通過建立扭力桿與獨立懸架的數學模型,以理論分析為基礎,結合具體的懸架結構,運用adams和matlab軟體,對研究的對象進行模擬分析,使設計人員在近似真實的模擬條件下能夠更好的對目標進行研究;同時,還引入了參數化的設計方法,通過編程,增加了人機互動式界面,可靈活的對懸架導向機構主要構件的空間幾何尺寸進行動態調整;在優化設計過程中,針對汽車懸架運動學、動力學的特定要求,對具體的目標進行優化設計,從而獲得良好的行駛平順性和操縱穩定性。Firstly, the paper starts from the one - way wave equation of wavefield extrapolation, research the relationship and transform condition of wavefield extrapolation operators, and improves on the wavefield extrapolation operator and so heightens the operation efficiency, and chooses the pspi that fits to the lateral variation of velocity to resolve the wave - equation, which lay a foundation of the theoretic study
首先,從波場延拓的單程波方程出發,研究了頻率?波數域的波場延拓運算元之間的相互關系和轉換條件,並在此基礎上改進了波場延拓方案和提高了運算效率,選擇了適合於縱橫向速度劇烈變化的pspi方法求解波動方程,為整個研究打下了理論基礎。分享友人