軌道矩 的英文怎麼說

中文拼音 [guǐdàojǔ]
軌道矩 英文
orbital moment
  • 軌 : Ⅰ名詞1. （路軌;軌道） rail; track 2. （比喻辦法、規矩、秩序等） rut; path; course Ⅱ動詞[書面語] （遵循; 依循） follow
  • 道 : Ⅰ名詞（道路） road; way; route; path 2 （水流通過的途徑） channel; course 3 （方向; 方法; 道理） ...
  • 矩 : 名詞1. （畫直角或正方形、矩形用的曲尺） carpenter's square; square2. （法度; 規則） rules; regulations 3. [物理學] moment
  • 軌道 : 1 （供火車、電車等行駛的由條形鋼材鋪成的路線） track; pathway; rail; runway; circle; railway 2 （...
  1. Spin-orbit coupling is the interaction between the spin magnetic moment of an electron and magnetic field generated by its orbital motion.

    自旋-軌道耦合是電子的自旋磁矩和由軌道運動產生的磁場之間的相互作用。
  2. Orbital magnetic moment

    軌道磁矩
  3. Abstract : the magnetic moment of a hydrogen atom is calculated by using the solution of the relativistic wave equations. it is shown that the so called total magnetic moment are produced from the electron orbit motion. these results show that the total angular momentum j is actually the relativistic orbital angular momentum

    文摘:利用氫原子的相對論性波動方程解計算了氫原子的磁矩.結果表明，現行量子理論中所謂的總磁矩實際上都是由電子的軌道運動產生的，由此提出了所謂的總角動量實際上是相對論性軌道角動量的看法
  4. 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 （
  5. Calculation of the structure clearance for rectangular tunnel in urban rail transit

    軌道交通明挖矩形隧道曲線地段建築限界的計算
  6. 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4
  7. Followings are the main study in this paper. 1 ) based on building the condition function of orbit determination of satellite - to - satellite tracking, the coefficient matrix of its normal function was studied. and the relativity of satellite ’ s corresponding orbit elements was analyzed in different cases

    本文的主要研究工作如下: 1 ）在建立星-星跟蹤定軌條件方程的基礎上，對其法方程的系數矩陣進行研究，分析了在不同情況下，衛星對應的軌道根數的相關性。
  8. The effects of the energy, the angular momentum of particles and the mass quadrupole moment on the orbits of particles are discussed

    討論了粒子的能量、角動量和質量四極矩對于粒子軌道的影響。
  9. By means of the effective potentials and with the phase - plane method, the properities of the orbits of particles in the gravitational field with mass quadrupole moment are studied

    摘要通過等效勢能圖，並利用相平面分析的方法，研究了質量四極矩引力場中粒子軌道的性質。
  10. To directly estimate the life of this kind of motor, and to design a orbit curve with the longest life at same condition, this paper gives theoretic research of the equal contact stress inner curve of radial piston motor. the research is divided into four parts : 1 ) taken all forces the piston endured into consideration when radial piston motor working, the force between roller ( or ball ) and orbit is deduced. the simple style of the press expression can be confirmed by ignoring minor influence factors after analysis all factors that will influence this press

    靜壓傳動技術在各類工程機械中得到廣泛的應用，對作為其核心部件的徑向柱塞式低速大扭矩液壓馬達的研究顯得十分重要，為了能直接對這種馬達進行壽命估計，並能在相同工況下求得壽命最長的軌道曲線，本文從設計等接觸應力內曲線的角度對這類馬達作探討性的研究，主要從以下四個方面進行： （ 1 ）綜合考慮徑向柱塞式液壓馬達工作時的各種主要受力狀況，對柱塞組件進行受力分析，並通過模擬分析影響軌道和滾動體間正壓力的各個因素，得到正壓力的簡化表達式。
  11. In this application, the lorentz force generated by the interaction between the current in the wire and the geomagnetic field produces an electro - dynamic drag leading to a fast orbital decay. in this paper, we make an intensive study of the process of de - orbiting using electro - dynamic tether system. the concrete work includes : firstly, i have studied the basic principle of how to generate the electro - dynamic drag, modeled via accuracy geomagnetism, made a concrete analysis of the de - orbiting duration, the magnitude and direction of electro - dynamic drag under the action of the dipole and accurate geomagnetic models, set up a counterbalance between electro - dynamic torque and gravity gradient torque, emulate the de - orbiting process of spacecraft, and compared the change of six orbital factors and the de - orbiting duration under the action of the dipole and accurate geomagnetic models

    本文對基於電動力纜繩的航天器離軌過程進行了深入研究，具體工作如下:首先，本文研究了電動力纜繩產生電動力拉力的基本原理，建立了精確地磁場模型;分別在偶極子模型和精確地磁場模型作用下，對電動力拉力的大小、方向、離軌時間及電動力纜繩傾角的大小進行了計算分析;建立了電動力力矩與纜繩系統重力梯度力矩的平衡關系;分析了電動力力矩為系統提供能量的原理;最後分別在偶極子地磁場模型和精確地磁場模型作用下，對受電動力纜繩作用的航天器的離軌過程進行模擬，分析了在不同精度地磁場模型下，航天器離軌過程中各軌道參數的變化情況，並比較了不同模型對離軌時間的影響。
  12. An on - line minimum - variance estimator was developed for thrust acceleration applied to orbit transfer using discrete - time radar measurements. the mass - flow - rate of propellant was selected as a state variant, which was estimated by employing an integral state model and ekf filter. the variation equations for measurement vector to mass - flow - rate have been established to linearize the discrete - time measurement equations. the algorithm has applied successfully to maneuver process in commanding satellite into geo - stationary orbit. the results show that the algorithm developed here can monitor and determine whether engine works well or failure precisely and quickly during orbit transfer process

    飛行器軌道機動過程中，為跟蹤、定位機動目標和干預機動控制過程，需要統計處理離散的雷達觀測量實時估計推進發動機的推力，進而確定飛行器的瞬時軌道參數.本文所述演算法是該工程問題的探討和解決方案.文章建立了軌道機動過程中連續變質量運動模型和離散雷達量測模型，推進發動機的質量秒耗量作為表徵推力加速度的一個近似常量，應用擴展卡爾曼濾波對離散的雷達測量數據進行順序統計處理給出秒耗量的最小方差估計;文章詳細地推導了線性化量測模型的變分方程和觀測矩陣;模擬結果表明該演算法能快速、準確地估計推進發動機的質量秒耗量和向機動目標施加的實際推力
  13. The crucial technologies of highly - displacement well mainly include torque / friction and wellbore trajectory control tool, and these technologies require rock bit have the following characteristics : having gage protection ability, long axletree lifespan, wear - resisting shirt - tail and head o. d., and high - temperature - resistant sealed system, etc

    大位移井的關鍵技術主要有扭矩摩阻和井眼軌道控制工具，這些技術要求鉆頭具有以下特點：具有良好的保徑能力，軸承壽命長，掌尖和掌背部位耐磨損，密封系統耐高溫等。
  14. His students and cooperators construct geometric lattice by means of linear spaces, and discuss the geometric lattice that generated by various orbits or subspaces with the same dimension or rank under the action of classical groups over finite field. but the results on geometric lattice constructed by using matrices are very few. in the present paper, we construct geometric lattice with idempotent matrix

    在國內，萬哲先與他的學生和合作者們利用線性空間的辦法，討論了在有限域上的典型群作用下，由各個軌道或相同維數和秩的子空間生成的幾何格。但是，利用矩陣構造幾何格結果很少。
  15. There exists magnetoelectric effects in two type of material, one of them is spin - order material called magnetoelectrics that may exhibits an induced linear magnetoelectric effect by external field. this effect is named as the electrically induced magnetoelectric effect ( me ) e or magnetically induced magnetoelectric effect ( me ) h a ferroelectromagnet, however, differs from the magnetoelectrics in that it shows spontaneous magnetoelectric effects in addition to the ( me ) e, h effects induced by external fields

    磁電效應主要存在於兩類物質中，一類是自旋-軌道有序的物質所表現出的外場（磁場或電場）誘導的線性磁電效應（ me ） _ （ h ， e ） ，又被稱為磁場感生的電矩效應或電場感生的磁矩效應。
  16. Terrain slope information can be drawn from polarimetric synthetic aperture radar ( sar ) two - dimensional image, so that three - dimensional image can be generated. it differs from two - pass or repeated trace insar that uses interference phase method to obtain topography height. the p - sar three - dimensional image technology uses the stokes matrix formed by two - dimensional images resolution cells, then applying polarimetric synthesize to stokes matrix can produce polarization signature of the scatter cross - section a - (, x ) for any ( ellipticity ) and ( orientation ) polarization state

    這種方法不同於重復軌道和雙通道insar系統，不是利用干涉法提取高度信息，而是利用極化sar二維圖像各分辨單元的stokes矩陣，通過極化綜合估計每個分辨單元的共極化散射特性和交叉極化散射特性（極化指紋） ，以及共極化散射特性最大值時對應的極化橢圓度x利極化橢圓方向角，求解地形的高度輪廓。
  17. The use of wave packet to analyze the dynamics of quantum mechanical systems is an increasingly important method to the study of the classical - quantum correspondence. using the quantum gaussian wave packet analysis method, we calculate the autocorrelation function of the rectangular billiard, the peak positions of the autocorrelation function match well with the periods of the classical periodic orbits, which show that the period of the classical orbits can be produced by the time - dependent quantum wave packet method. we also discuss wave packet revivals and fractional revivals in the rectangular billiard, the results show that there are exact revival for all wave packet at each revival time. we find additional cases of exact revivals with short revival times for zero - momentum wave packets initially located at special symmetry point inside the billiard

    利用波包分析量子力學體系的動力學行為在研究經典和量子的對應關系方面越來越成為一個非常重要的方法.利用高斯波包分析方法，我們計算了矩形彈子球體系的自關聯函數，自關聯函數的峰和經典周期軌道的周期符合的很好，這表明經典周期軌道的周期可以通過含時的量子波包方法產生.我們還討論了矩形彈子球的波包回歸和波包的部分回歸，計算結果表明在每一個回歸時間，波包出現精確的回歸.對于動量為零的波包，初始位置在彈子球內部的特殊對稱點處，出現一些時間比較短的附加的回歸
  18. In this paper, the precise initial guidance law based on velocity gain guidance and the state transition matrix for orbit interception were proposed

    摘要對于軌道攔截問題，給出了一種基於速度增益制導和狀態轉移矩陣的精確初制導方法。
  19. Firstly, with the help of angular momentum coupling theory, the hamiltonian for multi - electron adorns is rewritten in terms of spherical tensors. the advantage of this form is that the radial, angular and spin parts are separated completely, which makes it easy to calculate the angular matrix elements by means of irreducible tensor. secondly, theoretical expressions of the relativistic corrections including the relativistic mass correction, the darwin correction terms, the electron - electron contact terms and the orbit - orbit interaction which contribute to the non - relativistic energy for two - electron atom are theoretically derived in the lsmlms scheme

    具體內容包括：首先，藉助角動量耦合理論，將多電子原子哈密頓算符中的自旋-自旋、自旋-其它軌道以及軌道-軌道相互作用全部改用球張量表示，這種球張量形式的優點在於已將原子哈密頓算符中的徑向、角向和自旋部分完全分開，從而便於計算矩陣元，而且角向矩陣元可以方便地利用不可約張量理論來進行計算。
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