scalar field 中文意思是什麼

scalar field 解釋
標量場
  • scalar : n. 【數學】數量；標量，無向量；實量；純量 （opp. vector ）。adj. 1. 梯階狀的，分等級的。2. 【數學】數量的；標量的；無向量的。3. 【生物學】＝scalariform.
  • field : n 菲爾德〈姓氏〉。n 1 原野，曠野；（海、空、冰雪等的）茫茫一片。2 田地，牧場；割草場；〈pl 〉〈集...
  1. Using the lagrangian at a finite temperature of the scalar field which can generate global cosmic string in the spontaneous breakdown, solved the gravitational field equation outside the core of a global cosmic string at the background of temperature, corrected the result in the theory at zero temperature. on the basis of this, the properties of the gravitational field outside the core of a global cosmic string are discussed

    考慮溫度效應，運用改寫的能自發破缺產生整體宇宙弦的標量場在有限溫度下的拉氏密度，求解了整體宇宙弦核外的引力場方程，對零溫理論中的結果作了修正，進而討論弦核外引力場的性質
  2. According to the theory of scalar diffraction, first, the equipollence of spatial distribution of the plane - wave interferential field and parallel projective sine grating is discussed

    摘要根據標量衍射理論，首先討論了兩平面波干涉場的空間分佈與平行投影正弦光柵的等價性。
  3. When the field is slowly - varying, the scalar field potential acts like a cosmological constant. in addition to the quintessence models, many other theories for dark energy have been proposed, including models based on super - symmetric gauge theories, super - gravity, small extra dimensions, large extra dimensions, quantum field theory effects in curved space - time. all these models are essentially based on the existence of a mass less scalar field acting at a cosmic scale

    除了真空場模型外，科學家亦提出其他解釋黑暗能量的理論，這些模型建基於不同的物理理論或假設，例如超對稱規范理論超重力增加一些小或大的空間維數量子力學在彎曲時空的影響等等，這些理論模型，返本溯源，其實背後都假設存在著一個特性類似於宇宙常數的無質量純量場。
  4. The decay of the external scalar - field of a black hole is studied in the third chapter, i. e., the physical mechanism of the decay of neutral scalar - field in the gravitational collapse, and the physical mechanism of the decay of charged massive scalar - field in the gravitational collapse

    第三章主要研究無質量標量場在黑洞外部的衰減，即無質量中性場在引力塌縮中隨時間衰減的物理機制和無質量荷電標量場衰減的物理機制。
  5. Abstract : the conformal flat space - time solutions in electromagnetic and scalar theory are shown, and the indefiniteness of the plane - symmetric solutions and the method for defining a noncontinuous field by the intersection of multi - solutions are demonstrated

    文摘:給出電磁場和標量場在共形平直時空中的解，發現了平面對稱解的不確定性及由多重解的交集來定義一個非連續場的方法
  6. 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場的非對稱性，導出多光束掃描入射點位置矢量、反射線標量表達式、觀察面上的掃描軌跡方程，並研究了掃描遠場的非對稱性。
  7. Then, based on above review, we propose an analytical tachyon inflation model driven by scalar field with bom - infeld - type lagrangian. we find it ' s an analytical model if we choose an exponential potential. we compute it ' s power spectrum and find that it can explain the evolution of universe

    如果將勢選擇為指數勢，模型變成精確可解的，本文找到了一個精確解析的宇宙暴漲解並利用該解計算了cmb譜，發現這個解可以用來解釋宇宙的演化。
  8. In chapter two, the quantization for d + 1 - dimensional massive single scalar field with boundary is considered. especially, the quantization of d + 1 - dimensional massive single scalar field with boundary interaction potential and the proper poisson structure of 24 - 1 - dimensional massive single scalar field with boundary interaction potential vb = 1 / 2 on a half plane are discussed in great detail

    在第二章，我們對d + 1維帶邊界的的質量單標量場的poisson結構進行了修正，並在此基礎上詳細討論了d + 1維有質量單標量場在邊界相互作用勢時的量子化，同時還給出了具有邊界相互作用勢的2 + 1維有質量單標量在半平面上的自洽的poisson結構的基本形式。
  9. To solve the equation instead of iterative algorithm with an indispensable initial value, the theory of extracting isocurve in two - dimension scalar field is used

    利用該演算法可以求出任意浮態下的船體與水線面的交線。
  10. The thesis deduces the generating functional of proper vertexes and brst transformation of the system of matter field coupling to non - abel gauge field, gives noether conservation charge of brst transformation, shows up the model ' s brst transformation when the gauges are lorentz, coulomb and radiation gauges, respectively, finishes the brst quantization of ghost field in ( 1 + 2 ) dimensions model with non - abel chern - simons term coupling to the scalar field, achieves the lagrange density and hamilton density under brst transformation

    導出了物質場與非abel規范場耦合系統的brst變換以及此變換下的ward恆等式和正規頂角的生成泛函，給出了其brst變換下的noether守恆荷。針對lorentz規范、庫倫規范、輻射規范三種情況分別給出了此模型的brst變換，並得到了自洽的結果。完成了（ 1 + 2 ）維時空中非abelchern - simon項和標量場耦合系統中鬼場的brst量子化，得到了brst變換下的noether荷和其對應的拉氏量和哈密頓量。
  11. If a scalar field changes slowly, it resembles a constant, both in its fixed magnitude and in its lack of directionality ; relativity theory predicts it will produce a gravitational repulsion

    如果純量場變化緩慢，它就會有固定的大小，而且沒有方向性，就像一個常數一樣；相對論預測，這種情況會產生重力排斥效應。
  12. The simplest physical model for an appropriate dark energy component is a single slowly - rolling scalar field, sometimes referred to as quintessence

    解釋黑暗能量最簡單的物理模型，是一個單一而緩慢滾動的純量場，有時稱為真空場。
  13. With the aid of computer algebra system maple, the nonlinear algebra equations corresponding to the nonlinear coupled scalar field equations can be successfully solved this way, and eventually many exact solutions to it can be obtained

    用這種辦法在計算機代數系統maple上成功地求解了非線性耦合標量場方程組所對應的非線性代數方程組，最終獲得了耦合標量場方程組的眾多精確解。
  14. The distribution of physical quantity of 3 - d scalar field of casting surface can be observed visually using the technique to display the 3 - d scalar field

    採用該技術來顯示鑄件各部位在凝固過程中各時刻的三維標量場，可以直觀地觀察鑄件表面三維標量場物理量的分佈情況。
  15. Abstract : a display technique of surface rendering was developed in order to display the numerical simulation results of 3 - d scalar field physical quantity of the whole casting during solidification process visually and precisely

    文摘:為了更直觀和準確地顯示整個鑄件各部位在凝固過程中各時刻的三維標量場物理量的數值模擬結果，設計了一種稱之為表面繪制的顯示技術。
  16. In the forth chapter, the decay of massive scalar - fields in the background of a charged black hole is examined finally in the fifth chapter, we present a detailed account of our investigation on the decay of charged massive scalar - field of in the global monopole - black hole background

    第四章主要研究有質量標量場在黑洞外部的衰減，即有質量中性標量場的真空量子極化，在黑洞時空背景中有質量荷電標量場的衰減。
  17. The one - loop vacuum polarization is calculated for untwisted and twisted scalar fields in a flat space - time with the topology s1 r3. the effect of vacuum polarization upon photon propagation is considered. it is found that for the untwisted scalar field some photon modes acquire a positive topological mass, thus travelling at a subluminal speed ; but for the twisted scalar field some photon modes get an imaginary topological mass and travel at a superluminal speed

    本文中我們首先計算了在拓撲結構為s ~ 1 r ~ 3的非minkowski時空中扭曲標量場和非扭曲標量場的真空極化，然後考慮了真空極化對光子傳播的影響，我們發現除了光子的極化方向和傳播方向都垂直於緊致化方向的情形之外，非扭曲標量場的真空極化使所有其他的光子模式都獲得實的拓撲質量從而導致這些光子以亞光速傳播；但是，扭曲標量場的真空極化使光子獲得虛的拓撲質量以致他們以超光速傳播。
  18. The present paper intends to construct a systematic approach to search a type of particular exact solutions to nonlinear wave equations by utilizing the theory of mathematics mechanization proposed by famous mathematician wu wentsun. by the approach, two classes of important nonlinear coupled scalar field equations arising in the field of nonlinear physics are studied systematically and a batch of exact solutions containing steady and diverging solitary wave solutions and periodic ones are obtained, which are helpful in clarifying the movement of matter under the nonlinear interactiveties and play an important role in sicentifically explaining of the corresponding physical phenomenon

    本文將我國著名數學家吳文俊的數學機械化思想應用於非線性物理領域，給出了構造非線性波方程組一類特殊精確解的一種統一演算法，利用這種演算法系統地研究了出現于非線性物理領域中的兩類重要的非線性耦合標量場方程組，獲得了這些方程組一批精確解（包括穩定和發散形式的孤立波解以及周期解） 。
  19. Details of dcfs with the rip is analyzed, including the relation of dispersion and wavelength, variation of dispersion in the c - band, cutoff wavelength of the basic mode, distribution of scalar field and power, macro - bending loss at 1550nm. based on the optimized rip, impaction of radius of core and width of depressed cladding is studied. at the s ame time, a wavelength devision multiplexing system is designed

    接著對這種結構的光纖作了分析，包括它的色散與波長之間的關系，色散在c - band的變動范圍，標量場的分佈，基模在光纖中的功率分佈，在1550處的宏彎損耗等。
  20. In this paper, the concepts, the historical background, the importance and current application of scientific computing and visualization of scientific computing are introduced and the visualization of computational detonation mechanics is specially expounded. based on the sumarization of the visualization software visc2d and visc3d directing at the mmic ( multi _ material in cell ), the key point of the improvement and the research contents are listed. based on the basic visualization reference model and the data file format of mmic, the file format of vector data is defined. the 2 - d data field visualization technology is described in detail. include the visualization of scalar field and vector field. the weak points of the visc2d software is overcome, and we propose the full - frame coloring mapping method and the visualization of the vector data using the clic ( coloring _ noise line integral convolution ). in addition, the method to draw and display shock wave by edge probing operator is introduced. in the design of the program, in order to overcome the shortcoming of visc2d with sdi ( single document interface ), the software vsv ( visualization of scalar and vector ) with mdi ( multi document interface ) is designed. compared with visc2d, the advantage of vsv includes : ( l ) vsv is a mdi applied software which can be used to view various kind of data, ( 2 ) vsv resolves the flash during displaying moving images which are produed by full - frame coloring method used to the visualization of scalar fields, and ( 3 ) vsv can be used to visualize vector field such as velocity. at last, the visualization of the output data from mmic in explosion and shock is realized by vsv

    首先簡要介紹了科學計算與科學計算可視化的概念、歷史背景、意義及應用現狀，重點說明了計算爆炸力學中的可視化問題，在總結多流體網格程序mmic的可視化軟體visc2d和visc3d的基礎上提出了改進要點和本文的研究內容。在介紹可視化基本參考模型和mmic程序的數據文件結構的基礎上，給出了矢量數據文件的結構，詳細闡述了二維數據場的可視化技術，包括標量場和矢量場的可視化，針對原visc2d軟體的不足，給出了改進方法，提出了全幀著色映射方法和用於矢量數據可視化的基於噪聲著色的線積分卷積方法，以及提出了利用邊緣檢測運算元提取和顯示沖擊波的方法。在程序設計上，針對原visc2d軟體只適用於單文檔窗口的缺點，本文利用多文檔mdi窗口，研製了標量場與矢量場的可視化軟體vsv （ visualizationofscalarandvector ） 。
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