運動系數 的英文怎麼說
中文拼音 [yùndòngxìshǔ]
運動系數
英文
kinematic coefficient-
Flight control system ( fcs ) sensor is used for measuring various kinds of mobile parameters of aerocraft, describing its mobile state and spacial position. it is the principal subunit in the fcs
飛控系統傳感器用於測量飛行器的各種運動參數，描述飛行器的運動狀態及其在空間的位置，是飛行控制系統的首要環節。Second, it presents the project design of an astronauts ’ kinetic measurement system that can precisely measure the forces and moments of key points on motorial person. it presents a principle and flow of the project design of an astronauts ’ kinetic measurement system. and it particularly discusses the demarcate of camera system, the gathering and storage of experiment pictures, pick - up of the symbol data, the parameter calculating method of target movement, and the general design of assistant equipment
然後給出航天員作用力測量實驗系統的設計方案，該系統能夠克服重力影響，較精確地得出運動時人體各關鍵點產生的力和力矩;給出了航天員運動參數測量實驗系統的原理及流程，並詳細論述了攝像系統標定，實驗圖像的採集與存儲，標志點數據的提取及目標運動參數解算的方法;給出了輔助設備的概要設計。This dissertation studies the exterior ballistics characteristics of the target sensitivity projectile ( tsp ) in detail, first simplifies it ' s model, analyses the dynamic relation of three rigid bodies among friction plate, parachute and projectile with the method of r - w multi - bodies
對末敏彈實體模型簡化后，運用多剛體動力學中的r - w方法和牛頓-歐拉方法對末敏彈系統各剛體之間的力學關系進行了分析，建立了末敏彈運動的數學模型。Series of screen - bohou adopt large amplitudes, big intensity of vibrations, flexible screen surfaces, the motion parameters characteristics of adjustable amplitudes ; the unique structural features of " board of screen active, box inactive, unattached vibration of the screen surface " ; though segmented, multi - segments of screen surface jointed, large - scale of screen equipments can be realized, the advantages of large area, big handling capacity and no special requirements to the water of materials make the screen to be the best screen equipments used for the small wet materials
簡介：博后篩系列採用大振幅、大振動強度、彈性篩面、振幅可調的運動參數特點；及獨特的「篩板振動、篩箱不振動、各段篩面獨立振動」的結構特點；經分段、多段篩面組合，實現了篩分設備大型化，大面積、大處理能力的優勢及對物料水分的無特殊要求，是潮濕細粒難篩物料的最佳篩分設備。Based on the general mathematical models of multibody system dynamics such as the kinematics models of multibody dynamical systems, the ordinary differential equation models and the differential algebraic equation models of dynamics, general forms of the sensitivity equations of the systems are deduced by using direct differentiation method and adjoint variable method
基於通用的多體機械繫統運動學數學模型，常微分方程形式的動力學數學模型、微分/代數方程形式的動力學數學模型分別採用直接微分方法、伴隨變量方法推導出了系統的狀態靈敏度方程的通用形式。對于微分/代數形式的數學模型First of all, we bring forward the basic project of tadil, which adapts to combined operations. it is suggested to use tdma ( the abbreviation of time division multiple access ) as the working pattern and utilize the concept of mobile ad hoc network to construct the data link network. aiming at the impact of time delay on data link and the characteristic of cooperative combat under the command of director aircraft, this thesis applies a kind of kalman filtering algorithm in polar coordinates to compensate the error of time delay, and then does the transformation of target motion parameters to obtain the current information of target
本文結合空軍裝備部某「十五」預研課題，圍繞著戰術數據鏈、多機協同多目標攻擊、超機動攻擊、空對地攻擊這四個方面展開了一系列的研究工作:本文首先給出了適應三軍聯合作戰的戰術數據鏈系統的基本方案，建議採用時分多址的工作模式，並利用移動自組織網路的概念構建數據鏈網路，同時針對數據鏈傳輸信息的時間延遲特性和指揮機指揮下的多機協同作戰特點，應用一種極坐標系下的卡爾曼濾波演算法對該傳輸延遲誤差進行補償，並在此基礎上進行目標運動參數的轉換，以獲得目標相對于某無人機的當前運動信息，且利用模擬驗證了方法的有效性。Lwac is becoming one of the important trends in the development of modern concrete. to solve the problems such as poor workability, large shrinkage value and crack easily of lwac, on the basis of systematic experiments, the author establishes lwac workability evaluation system and advances the testing method of pumping performance of lwac ; the control technology of discrete of lwac is introduced through analyzing structure formation process and establishing the mathematic model ; based on studying the strength source of lwac and the function mechanism of artificial additive, this paper not only confirms some major factors which affect concrete strength but explores the preparation technology route of high strength lwac ; the different effects of several fibers in lwac have been studied, and the fiber is introduced in pumping lwac to improve its crack - proof performance
本文針對輕集料混凝土工作性能差、收縮變形大、易於開裂等問題，根據大量實驗建立了高強輕集料混凝土工作性能的評價體系，提出了高強輕集料混凝土可泵性的測試方法；通過分析輕集料混凝土的結構形成過程，建立了輕集料混凝土拌和物物料運動的數學模型，提出了防止輕集料混凝土分層離析的技術措施；通過對輕集料混凝土強度來源和礦物摻合料的作用機理的深入研究，確定了影響輕集料混凝土強度因素的主次關系，提出了配製高強輕集料混凝土的技術路線；研究了纖維在輕集料混凝土中的增強增韌、減少收縮的作用機理。Through the analysis of the simulated sar images for different sar system parameters, observing conditions, ships " types and motion parameters, as well as sea state parameters, the thesis has studied the optimal observing conditions for different kind of wakes and probed into the problem of motion parameters inversion and wake detection
通過對不同的sar系統參數、觀測條件，艦船類型和運動參數以及不同海況參數下模擬的尾跡sar圖像的分析，研究了不同類型尾跡的sar最佳觀測條件，探討了運動參數反演和尾跡檢測的方法。Firstly, the author evaluated the fund through the technology and tested it with examples. basted on the capital asset pricing model and the theory of portfolio, the paper used the ratio of profit according time to evaluate the profit ; used the a and 3 to evaluate the risk ; used the sp, tp, a p to evaluate the profit according to the risk ; used the ability of liquid and so on to evaluate the fund portfolio. otherwise, the author corrected the asset of fund according to the specialty of our country
技術面評價以證券投資組合理論和資本資產定價模型為基礎，運用時間加權收益率對基金收益進行評價；運用系數、系數對基金風險進行評價；運用夏普指數、特雷納指數、詹森指數、積極投資效率指數對基金進行收益和風險配比評價；運用基金平均市盈率、股票集中度、股票日換手率、基金流動性和基金平均漲幅對基金進行組合質量評價；並根據我國股市的特點對基金凈值進行修正計算，對基金實際價值進行評估。Adams ( automatic dynamic analysis of mechanical systems ) is a simulation software of mechanical system used most widely in the world. based on the adams virtual model technology, the automobile suspension is regard as a multi - body system which parts connect and motion each other. with the help of adams / view, this paper established multibody dynamics model of macpherson front suspension of chamber car which is increasingly wide used in modern car, and the effects of suspension parameters when wheel travel or turn were studied. the adams entity numeric suspension kinetics simulation provides an efficient and updated tool for developing suspension system
Adams （ automaticdynamicanalysisofmechanicalsystems ，即機械繫統動力學分析軟體包）是世界上應用最為廣泛的機械繫統動力學分析軟體，基於adams的虛擬樣機技術，可把懸架視為是由多個相互連接、彼此能夠相對運動的多體運動系統，本文利用adams view軟體，建立了目前在現代轎車上應用越來越廣泛的麥弗遜式前懸架的某轎車前懸架的多體動力學模型，並對車輪跳動和轉向時，懸架的各種參數的變化進行分析。As a packing material, glass has many advantages that cannot be substituted, such as having plenty of raw material, being produced easily, low price, stable chemical quality, not reacting with its content and so on. so it is widely used in the packing of food, beverage and chemical things. but the producing way of glassware in our country hampers the development of glass industry
本論文以攝影測量學及直接線性變換演算法（ dlt演算法）為理論基礎構建了多維攝像運動分析系統，並根據人體上肢的剛體矢量運動模型提出了一種基於多維攝像運動分析系統的關節轉角求解方法，結合實際給出了一套用於測量人體上肢運動參數的規定動作，以便以後進行這方面的研究。According to the modified direct lineal transformation ( dlt ) algorithm, this paper presents a three - dimensional camera meaurement analysis system based on general cameras. moreover, according to the rigid body model of the human upper - limb, a method of calculating the joint parameters of the human upper - limb is presented, which will provide the help for the further research
本論文以直接線性變換（ dlt ）改進演算法為理論基礎構建了基於普通攝像機的三維攝像測量分析系統，並根據人體上肢的剛體運動模型提出了一種計算上肢關節運動參數的演算法，有利於以後進行更深入的研究。Using the relation between spectrum width and entropy and the different contributions devoted by each angle motion parameter to the echo spectrum width of the difference beam, the global optimal estimation is obtained through searching the angle motion parameters of zero and higher order via max - entropy and min - entropy respectively
該方法利用了各階運動參數對差波束回波譜寬度的不同貢獻以及熵與譜寬度的關系，通過最大熵和最小熵分別對0階和1階以上角運動參數進行搜索，得到全局最優估計。The actual - operating parameter ( level angle, pitching angle, speed etc ) of theodolite are measured by code check of theodolite, and sent to computer by the interface
教練員可通過系統提供的輸入界面輸入目標的位置參數及目標飛行軌跡的特徵點。經緯儀的實際運動參數由經緯儀自身的碼盤測出，並通過計算機介面輸入到計算機中。In view of geological and hydro - geological situations of the south anchor runyang yangtze river highway bridge, the paper bring forward mathematical model and calculation method of double deck structure groundwater, which can be used to lively calculate every layer ' s water table, so that we can realize every layer ' s settlement calculation and control ; establish the inter relationship between non - linear physical - mechanics parameter and hydro - geological parameter, objectively describe the non - linear change process of the porosity, hydraulic conductivity, specific storativity in the process of soil dewater and concretion
針對潤揚長江公路大橋南錨場地地質、水文地質條件提出了雙層結構地下水運動的數學模型和計算方法，該方法可以實時計算出各分層的地下水位，實現了各分層沉降計算與控制研究；建立了土層非線性物理力學參數與水文地質參數之間的內在聯系，客觀地描述土層降水? ?固結過程中孔隙度、滲透系數和貯水率等參數非線性變化過程。3. studied the method of ga optimizing bparef to achieve a optimal bp net in structure and parameters, it is used to identify ship moving model
研究了遺傳演算法對魯棒bp神經網路的優化方法，得到一個結構和參數都是優化了的魯棒bp神經網路，用於對船舶運動系統的建模。In order to acquire 3d spatial position and motion parameters of moving target, the limitation of second focus method to get the depth of target is analyzed according to perspective projection model of target centroid. then, the constraint for obtaining 3d position and motion parameters of moving target centroid from monocular image sequence is presented and proved in this paper. with this constraint, a nonlinear extended kalman filter algorithm for estimating 3d spatial position and motion parameters of moving target centroid from monocular image sequence is proposed
進一步，為獲取目標的空間位置和運動參數等三維信息，在目標和成像系統都運動的情況下，根據目標質心的透視投影成像模型，首先分析了二次成像法獲取目標深度信息的缺陷；然後給出了由單目序列圖像獲取目標質心的空間位置和運動參數的條件，並提出利用多幀單目序列圖像和應用非線性擴展卡爾曼濾波演算法來估計目標質心的空間位置和運動參數；最後對提出的估計方法進行了多組模擬驗證，證明該方法可行有效。Kinematic parameters of different types of pumping units, including the displacement, velocity and acceleration of the polished rod and the torque factor can be calculated easily and accurately by using this method
為此，根據幾何關系和運動特點，建立了運動學模型，提出了異形游梁式抽油機運動參數的求解方法。By using 21 straight lines optical flow in 3 consecutive image frames, a set of equations about 3d motion parameters were established. after solving the above equations, 12 motion parameters of 3d object and coordinates of the 3d straight line could be obtained. in fact, it is difficult to get the 21 straight lines and their correspondence
但是在實際應用當中，要找出這zi條直線以及其對應關系是很困難的，因此本文提出的運用解非線性方程組的方法，只需要6條直線的光流，就可以分步求出物體的12個運動參數，並根據求得的12個運動參數和一致的圖像坐標系中的直線坐標，求得空間直線的坐標，最終實現了3d場景的恢復。First, we calculate the hydrodynamic performance of the caudal fin which is considered as a rigid body using surface panel method. then a detailed analysis is given
首先把尾鰭視為剛性體，採用面元法計算其水動力性能，詳細分析其水動力系數隨尾鰭運動參數的變化規律。分享友人