軌函數 的英文怎麼說
中文拼音 [guǐhánshǔ]
軌函數
英文
s orbital-
The guidance scheme includes a trajectory planner that generates a feasible flight trajectory and a control law that achieves bounded tracking of the downrange and crossrange distances as functions of energy
其中，軌跡規劃器可產生一個可行的飛行軌跡。控制律作為能量的函數可實現再入段對縱向和橫向航程的有界跟蹤。The function (1s＋) is a hybridized atomic orbital.
函數（1s）是一個雜化的原子軌道。The bifurcation analysis of the model depending on all parameter indication that it exhibits numerous kinds of bifurcation phenomena, including the saddle - node bifurcation, the supercritical and subcritical hopf bifurcation, and the lioinoclinic bifurcation. in the generic case, the model has the bifurcation of cusp type ol ' codimension 2 ( i. e. bogdanov - taken bifurcation ) but for some specific parameter values it has a multiple focus of multiplicity at least 2. and, we give the global analysis
本文考慮具非單調功能反應函數的捕食者?食餌系統，討論了系統的bogdanov - taken分支，給出了不同種類的分支現象，包括鞍-結點分支，上臨界與下臨界hopf分支，和同宿軌分支，並討論了無窮遠點的定性分析，給出了全局結構。At first, this paper presents two - demensional quartic convolution interpolation to smooth digital terrain. it is acquired from that it makes use of that the interpolation function of cubic spline interpolation has a continuous third derivative on the base of two - dementional cubic convolution interpolation. two - demensional quartic convolution interpolation is more precise than two - dementional cubic convolution and simpler than cubic spline interpolation in calculation. it can satisfy real - time route planning of ucav
首先，在軌跡規劃前需要對數字地圖進行平滑處理，本文提出了二維四次卷積插值法。它在二維三次卷積插值法的基礎上利用三次樣條插值法的插值函數具有三階連續導數的性質而得來的。Evading risk in financial trading market cries for pricing options to a nicety. asian option, as the most flourish options in the finace market, the pricing has been focused on always. the exact pricing formula for the geometric average asian option had existed, but as to the european - style arithmetic average asian option, due to the dependence structure between the prices of the underlying asset, no analytical formula exists. on the hypothesis that the market is frictionless and without transaction costs 、 on the base of b - s ’ s and in the binomial tree model, we provide several algorithms for computing an accurate value of the european - style arithmetic average asian option. following rogers and shi and by jensen ’ s inequality, many different upper and lower bounds are provided ; meanwhile a formula have got by the comonotonicity and approximating the distribution function. all of the algorithms are easy for programming. with the development of computer, more accurater price can be computed quickly. and numerical example proved that these algorithms are very accurate
對于幾何平均亞式期權它的定價相對簡單，已經給出了定價公式。對于算術平均亞式期權，它的未定權益具有軌道依賴特性，一直沒有得到它的定價方程的解析解形式。本文基於對市場是無摩擦且在沒有交易費用的情況下，在b - s模型下，利用二叉樹模型給出了算術平均亞式期權定價方法;並總結了利用jensen 』 s不等式給出的各種不同情況下的上下界;同時應用共單調性和近似分佈函數的方法也給出了算術平均亞式期權價格的近似公式。In accordance with the dominant equations of the two models, this paper uses green function method to calculate vibration caused by effects among wheels, tracks, and sleepers
本文根據兩種模型的控制方程，使用green函數法計算了車輪、軌道、枕木的相互作用所引起的振動。Then making use of the theory, we got the rightful scale of hubei highway net. the 4th section firstly summed up the development course of hubei ' s highway, and then utilized the growth function curve to fit it
然後結合理論，對湖北省公路網的合理規模進行了探討；第4章對湖北省公路的發展歷程進行了總結，在此基礎上利用生長函數曲線對其發展軌跡進行了擬合和預測。By using melnikov method, the melnikov function of homoclinic orbit or heteroclinic orbit is calculated and established
應用melnikov方法，計算並建立了同宿軌道或異宿軌道的melnikov函數。Every result in the paper is presented through specific analytic expression, including the analytic expression of homoclinic orbit or heteroclinic orbit and its melnikov function, analytical expression of periodical track surrounding the center - type singular point within the homoclinic orbit or heteroclinic orbit and its melinkov function, the critical value when periodical m point appears, the critical value when smale horseshoes chaos appears, etc.
文中的各個結果均以具體的解析形式給出，其中包括同宿軌道或異宿軌道的解析表達式及其melnikov函數；同（異）宿軌道內圍繞中心型奇點的周期軌道的解析表達式及其melnikov函數；出現周期m點的臨界值；出現smale馬蹄混沌的臨界值等。First, proper initial conditions between ekv and target are the premise of hit - to - kill. capture region is described by equations of relative motion defined in modified polar coordinate while phasetrajectory graph is introduced. and the disturbance of initial condition biase is analyzed by cadet through statistical linearization of ekv dynamical model
本文在修正極點坐標系中建立攔截器和目標之間的相對運動方程，結合相平面軌跡圖，分析了大氣層外動能攔截器的攔截區;對大氣層外動能攔截器動力學模型進行統計線性化，採用協方差分析描述函數法，分析了初始狀態誤差對彈道的影響。The thesis analyzed the present transferring status between pudong airport and shanghai " s incity. through forecasting the long - dated flux of pudong airport and the area near it and combining the planning scheme of shanghai urban rapid mass transit, the thesis learned the helpful experience of the traffic organization in typical airport abroad and used the scientific analyzing model of public traffic flux forecasting to put forward some reasonable suggestion of the bottleneck question between pudong airport and incity : the one is to use the present no. 2 subway as the future airtrain to take on the most part of the flux and meantime present the concept of feeder efficiency to quantitative analyze the choice of feeder station ; the other is to set up cat ( city air terminal ) to convenient the passenger to come airport rapidly and economically in order to lessen the pressure of the traffic and improve the whole service quantity of civil aviation transportation
本文分析了浦東機場與市內目前的換乘現狀，從預測浦東機場及緊鄰空港區域中遠期的客流量入手，結合上海市政府快速軌道交通的規劃方案，並且學習境外典型機場交通組織的有益經驗，利用規劃中的公交客流預測等科學分析模型，對浦東機場與市中心的軌道交通銜接提出了合理的建議：一是利用目前的地鐵二號線作為航空軌道共享線來承擔大部分進出空港的客流，並且給出了以接運效率最大化為目標函數的接運公交軌道站點比選模型；二是在市中心設立城市航站樓以方便旅客快速、經濟地到達機場，從而減少道路交通壓力，提高航空運輸的整體服務質量。Hi the aspect of symmetry analyzing to the hopfield model neural network with hebbian learning, we study on the dynamical behavior of the state space under the action of isometric transformation group g = z2 ? n, and prove the invariant property of the energy orientation ? / / " ) of the state space under the action of g. we find that the symmetry relationship of the network is sx - sw = sh when the active function of the neuron is odd, where sx is the symmetry of the patterns set x under hebbian learning rule, sh is the symmetry of the network and sw is the symmetry of the weight matrix w of the network
） s _ n為手段，研究了網路狀態空間在群g作用下各點的運動情況，證明了群g作用下的不變性。證明了當神經元的激活函數f為奇函數時， hebb法則下存儲樣本集x的對稱性s _ x 、網路對稱性s _ h以及連接矩陣對稱性s _ w三者之間滿足s _ x = s _ w = s _ h的關系；同時，我們還證明了：網路穩定態集vf同一s _ h軌道中的兩個穩定態的動力學行為（能量和吸引域大小）相同；兩個等距網路h和h 1 = g ? h ， （ ? ） g （A niched - penalty approach is used to transform this optimal kinematical design problem to an unconstrained one. a kinematic accuracy comparison of the genetic designed fine - tuning stewart platform with the quasi - newtonian designed one is made. the comparison results have shown that the kinematic accuracy of the genetic designed fine - tuning stewart platform has a much higher accuracy and a compact structure than that of the quasi - newtonian designed one, which guarantees the accomplishment of high precision trajectory tracking and reduces the disturbance of wind to the feed - supporting system
以並聯機器人jacobian矩陣的條件數為優化設計的目標函數，提出了基於遺傳演算法的並聯機器人最優運動學性能結構參數優化設計方法，採用實值遺傳演算法，對精調stewart平臺進行了優化設計，得到了最優運動學的精調stewart平臺結構參數，為實現新一代大射電望遠鏡饋源指向跟蹤系統高精度軌跡跟蹤控制奠定了堅實的基礎。( 3 ) by the optimization experiments on several kinds of standard test functions, the calculation of off - line performances and the comparisons to another optimization algorithm, the effectiveness and the superiority of iga are got. ( 4 ) multi - object strategy that consists of the joints " best compliance critic and the location critic is proposed to uniquely determine the inverse kinamatics solution in planar redundant manipulator trajectory planning. next, by the introdu
3 、通過對兒類標準測試函數的優化實驗、優化離線性能的計算和與其他優化方法尋優效果的對比表明了的有效性和優越性； 4 、針對冗餘度機械手的軌跡規劃問題，提出了融合關節最佳柔順性準則和定位控制準則的多目標策略，從而在理論上保證了運動學逆解的唯一性。A method is proposed to construct a localized active functional space from the density matrix of a large system. the large system is partitioned into central and surrounding areas. the active functional space is mainly localized on the central area. it contains all basis functions centered at the central area and all the orbitals which consist of the basis functions localized in the surrounding area and interact with the basis functions in the central area to a certain extent. an integral number of electrons are involved in the localized active functional space which can be considered as a relatively independent subsystem in the large system and for which formally isolated quantum chemical calculations can be performed. the related program has been coded and is checked through calculating the number of 4
報道了從大體系的密度矩陣出發構造定域于指定局部的活性泛函空間的方法和程序。將大體系劃分為中心區和環境區，活性泛函空間包含中心區的基函數及與其有相互作用的環境區軌道，容納整數個電子，構成大體系的一個相對獨立的子體系，可以在其中進行獨立的量子化學計算。通過計算鑭系氯化物和水合離子的4In theorem 3. 3. 5, the derivative of lyapunov function along trajectories of system ( 1 ) does n ' t need to be required to be negative definite, which is different from functional differential systems
在定理3 3石中， lyapunov函數沿系統）的解軌線的導數在iezumikhin型條件下不再局限於常負，這一點不同於泛函微分系統Secondly, according to the requirement of the parametric sensitivity analysis, the method based on orthogonal experiment is chosen to cope with the difficulty of obtaining the sensitivity analysis through the partial derivative of explicit function. and it also overcomes the traditional single factor cyclical method ' s shortcoming ? impossibility to analysis interactional factors. furthermore, some significative conclusions are acquired from the sensitivity analysis
其次根據軌跡優化問題靈敏度分析的需要，選取基於正交試驗的靈敏度分析方法，解決了軌跡優化問題沒有顯函數，無法通過求其偏導數獲得靈敏度的難點，同時克服了傳統的單因素輪換法對該類問題進行靈敏度分析帶來的弊端? ?無法對有相互作用的因素進行靈敏度分析，並通過對軌跡優化問題進行靈敏度分析，得出了一些有益的結論。We can take molecular motor as a brownian particle in the case of ignoring the conformational changes. the interaction between motor and microtubule can be described by a special potential function and the effect of the environment can be simplified as a noise
在不考慮分子馬達構象變化的情況下，通常把分子馬達抽象為布朗粒子，用一個特定的勢函數來表示軌道與馬達的相互作用，環境的影響可以簡化為特定形式的噪聲激勵。Virtual molecular orbital
虛分子軌函數He was known as the " father " of nuclear physics, pioneered the orbital theory of the atom, notably in his discovery of rutherford scattering off the nucleus with the gold foil experiment
他被稱為「核物理學之父」 ，是原子軌函數說的先驅，最著名的成就是利用金箔試驗分離出了核子。分享友人