矢場 的英文怎麼說

中文拼音 [shǐchǎng]
矢場 英文
vector field
  • : Ⅰ名詞1. (箭) arrow 2. (尿) excrement; dung; feces 3. (姓氏) a surname Ⅱ動詞(發誓) vow; swear
  • : 場Ⅰ名詞1 (平坦的空地 多用來翻曬糧食 碾軋穀物) a level open space; threshing ground 2 [方言] (...
  1. In this paper a kind of cardio - cerebral arterial bifurcation vessel hemodynamic characteristics are studied with the boundary element method, and the blood flowing velocity vector distributions have been calculated. in addition, the flow field distribution and the pressure on the particle surface are also calculated, when there is flow - round particle at the place of bifurcation, the move tendency of the particle is judged, the possible reasons of causing the atherosclerosis, thrombus, angioma are analysed

    本文用邊界元方法研究了一類典型心腦動脈分支血管中血液流動的流體動力特性,計算了分支血管血液流動的速度量分佈,同時計算了分支附近有多個顆粒狀繞流物時血液的流分佈,及顆粒物所受壓力狀況,給出了顆粒物的運動趨勢,分析了引起粥樣斑塊病變、血瘤、血栓的可能原因
  2. Vector products arise frequently in this book in a number of contexts.

    在本書的許多合中經常要出現量積。
  3. Irrotational and solenoidal split problem on a dyadic green ' s function of the field vector

    一類量的並格林函數無旋和無散分解問題
  4. The direction of the electric field vector is indicated in each picture.

    每張照片上都標出了電量的方向。
  5. Firstly, in spherical coordinate system, the sovp formulation for the time - harmonic electromagnetic fields of the current dipole in conductive infinite - space is derived, using reciprocity theorem and transforming relations between special functions. then, selecting appropriate coordinate system, using superposition principle, the boundary - value problem of modified magnetic vector potential on the problem of a time - harmonic current dipole in spherical conductor is solved and analytical solution is obtained. finally, by means of the addition formulas of legendre polynomial and spherical harmonics function of degree n and order 1, the analytical solution in spherical coordinate system specially located is transformed into that in spherical coordinate system arbitrarily located

    首先利用特殊函數間的轉化關系和互易定理推導得到了無限大導體空間中球坐標下時諧電流元電磁的二階量位形式:然後利用疊加原理,選擇合適坐標系,求解了導體球中時諧電流元的修正磁量位邊值問題,得到了問題的解析解;最後依據不同坐標系下電磁解的轉化原理,藉助勒讓德多項式和n次1階球諧函數的加法公式,將坐標系特殊安放時的電磁解析解變換到坐標系一般安放時的解析解,給出了球內電和球外磁的並格林函數。
  6. The addition formula of spherical harmonics function of degree n and order 1 is derived using the relations between coordinate varieties after coordinate rotating and the property of the associated legendre polynomial. the relations among the magnetic vector potential, the modified magnetic vector potential and the second - order vector potential ( sovp ) are shown going forward one by one. it is explained that the solutions of electromagnetic fields in different coordinate systems can be transformed and an example having analytical solution is given

    利用坐標旋轉后球坐標變量間的關系和連帶勒讓德多項式的性質推導得到了n次1階球諧函數的加法公式;以遞進的方式說明磁量位、修正磁量位與二階量位的關系,寫出了引入二階量位的過程;以時諧量邊值問題為例,闡明了不同坐標系下電磁解的相互轉化原理,給出了一個解析解的轉化例子;在球坐標下,引入了較球量波函數更普遍的兩類量函數,給出了其在球面上的正交關系。
  7. On the other hand, it is indicated that the velocity field consists of a depth - independent inertial oscillation and a time - mean shear flow, which can be obtained by subtracting the inertial oscillations time mean in one inertial period. the hodograph of the velocity vector of time - mean flow at the different depths consists of a ekman spiral, and the surface velocity is 30. 3 ? to the right of the wind

    一維模式的流結果表明,混合層中的流是由慣性波動與時間平均流兩部分疊加而成,且通過時間平均消去慣性波動后得到平均流,其不同深度的流速量構成一ekman螺旋,表層流速量相對風向右偏了30 . 3 』 。
  8. Abstract : in this paper , a ray - optics analysis is performed to investigate the asymmetry of dual beam scanning field produced by a rotating polygon. some basic equations of dual beam scan are derived , such as , the position vector for the incident point , the scalar expression for reflected ray , scan pattern on observation plane ect. the far - field asymmetry of the scanning field has been discussed

    文摘:應用幾何光學理論研究了多光束轉鏡掃描的非對稱性,導出多光束掃描入射點位置量、反射線標量表達式、觀察面上的掃描軌跡方程,並研究了掃描遠的非對稱性。
  9. When the end of the electric field vector travels in an ellipse, the light is elliptically polarized.

    量的末端沿一橢圓移動的光叫橢圓偏振光。
  10. Sagittal field curvature

    矢場曲率
  11. In this section, we also designed 2d subwavelength multilevel ( 2 -, 4 -, 8 -, etc. level ) columned stairstep grating with coned spatial profile to reduce reflection

    我們也通過量衍射理論分析了多臺階二維亞波長具有圓錐面形的網格光柵的電磁衍射特性。
  12. The effect is almost unbearably suspenseful, leading to an explosive climax of supreme defiance and samurai swordplay, erupting from a battle of wills, called bluffs, and hotly defended honour. for connoisseurs of samurai action, harakiri is not to be missed

    小林正樹在片中展示出超凡的營造氣氛手段,武打面不多,但卻精彩絕倫仲代達更有著他從影以來的最佳演出。
  13. Fluxgate magnetometer is a kind of vector magnetometer which has the ability of measuring the components of magnetic field directly. the fluxgate instrument is variometer based on magnetization non - linearity of " soft " magnetic material

    磁通門磁力儀是直接測量地磁分量的量磁力儀,是一種基於「軟」磁材料磁化特性的非線性的地磁相對記錄儀器。
  14. Compared with the pressure hydrophone, vector transducer can provide both the information about pressure ( scalar quantity ) and particle velocity ( vector quantity ) of the sound field, which offers more possibilities for signal processing. so vector transducer and its signal processing have attracted the attention of researchers both native and foreign. in this thesis, a method of correlation equations for pressure gradient transducer is presented, and the estimation of multi - signal parameters with single vector transducer is given

    與傳統的聲壓水聽器相比,量水聽器既能獲得聲中的聲壓這一標量信息,又能獲得聲中質點振速這一量信息,這為其信號處理帶來更大的空間,因此量水聽器及其相應的聯合信息處理技術日益成為國內外科技工作者們研究的熱點。
  15. From the model, we can solve and gain the values and change orders of charging current, charging voltage, discharging current, discharging voltage and inductive current. after that, the electromagnetic fields can be created from two circuits " currents, and their magnetic rector and flux can be simulated from ansys solver

    用ansys multiphysics模塊求解出充電電流、充電電壓、放電電流、放電電壓和感應電流以及這些參數隨時間變化的規律:然後利用兩個迴路的電流耦合出電磁,並模擬出磁量、磁通密度。
  16. The results show that binding energies per nucleon at each density and various asymmetry parameters fulfill the empirical parabolic law and the asymmetry energy is density dependent. it is found that both scalar and vector potentials of neutron in the neutron rich nuclear matter become stronger although the isospin dependence is not stronger. we compare our results with those in a simple method, where the dbhf nucleon self - energies are extracted from the momentum dependence of the single - particle energy

    首先我們要求在每一個密度及各種不對稱系數的核物質中,相對論平均( rmf )計算出的核子標量與量自能與dbhf計算出的標量與量自能一致,從而得到在rmf下的密度依賴的有效介子核子耦合常數,包括同位旋標量介子。
  17. Vector - contorl wvf system of asynchomous motor is a high performance speed - control system and has been used in a lot of situations of high precision and high performence. in the base of vector - control, some control methods are developing, for example speed - sensorlesss control and self - adaptation control

    量變換控制的異步電動機變頻調速系統是一種高性能的調速系統,已經在許多需要高精度、高性能的合中得到應用。以量變換為基礎的許多控制方法,諸如無速度傳感器控制、自適應控制等正在發展中。
  18. Tang xiaoshun is a martial arts genius and has been studying tan s kick boxing from his sister tang dashun since early childhood. lin zhonghu used to be a famous soccer player and still aspires to make contributions to china s soccer. one day, lin zhonghu discovers the outstanding kung fu skills of the brother and sister and comes up with an idea to combine kung fu with soccer

    唐小順是一名患恍惚癥的武術天才,自幼隨姐姐唐大順學習家傳譚腿,非常厲害林中虎熱愛足球,是名曾經馳騁球的著名球員,雖然遭到小人加害,卻不滅他志發揚中國足球的決心,他無意中見識到大順和小順的譚腿功夫,靈機一動,想到國術功夫與足球結合的可能,經過努力游說后,大順終于同意讓小順加入中虎的足球隊。
  19. Secondly, this dissertation analyses the action characters of soccer robot, designs kinds of actions in allusion to switchover of attack and defend, puts forward theory of action selection and rules of action selection in order to realize part cooperation which combines court subarea and switchover of attack and defend when soccer robot is under special state thirdly, after considering the characters of obstacles in the robot soccer, we have founded the collision module, to the current questions of obstacle - escaping arithmetic, we put forward the new obstacle - escaping strategy based on the speed vector information which is able to dope out the potential obstacles in the moving path and count out the suitable velocity to escape obstacles by the aid of the geometry transform of obstacle velocity vector the grid implementation arithmetic of path - searching tree is set forth for the convenience the result of simulating competition showed that this way is suitable to the mobile obstacle escaping

    ( 2 )分析了足球機器人動作的特點,針對機器人足球比賽的攻防狀態轉變,進行了各類動作設計;為了使足球機器人在特定狀態下,實現局部的配合,將攻防狀態的變化與球分區相結合,提出了足球機器人的動作選擇機理和動作選擇的規則。 ( 3 )分析了機器人足球比賽中障礙物的特點,建立了足球機器人碰撞模型。針對目前機器人足球比賽中避障規劃演算法的不足,提出了基於障礙物的速度量信廣東工業大學工學博上學應論文息制定的足球機器人避障策略。
  20. The electric current density vector field also satisfies superposition principle, some applications thereof are introduced

    摘要電流密度也滿足疊加原理,給出了一些應用電流密度疊加原理的例子。
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