電多極子 的英文怎麼說
中文拼音 [diànduōjízi]
電多極子
英文
electric multipole-
The study includes the hole color tv imagery system for drill hole, even - pole bore - hole acoustic system and acoustic meter, bore - hole multi - point consolidation apparatus, the quick camera computer - aid image for high rocky slope, image technology for layer analysis, safety monitoring technology for the section close to the dam, software for processing and forecasting the slope monitoring data, high precision geodesy monitoring automation system, etc. all the study results are new, advanced and practical, which has applied in the project and gained the obvious benefits
鉆孔彩色電視孔壁成像系統、直接橫波測井研究偶極子井下聲系和聲波儀、鉆孔多點滲壓儀及壓模系統、巖質高邊坡快速攝像微機地質素描成圖、層析成像技術、近壩庫段安全監測技術、邊坡監測數據處理預報軟體研究、高精度大地測量監測自動化系統等項目,研究成果內容新、先進、實用,已在工程中應用,效益顯著。Influence of multipole deflection field on electron beam defocus
多極偏轉場對電子束散焦的影響分析Electronic components. connecting devices. circular multipole connectors
電子元件.連接裝置.圓形多極連接器By using the multi - configuration dirac - fock ( mcdf ) method, the effects of relaxation and correlation on the transition energies and probabilities of electric - dipole allowed ( el ) resonance and intercombination transitions for 2p53s3 - 2p6 in neutral neon have been systematically studied firstly. and the results of the transition energies and probabilities ( lifetimes ) in length and velocity gauge have been presented. during the calculation, in order to consider the rearrangement effects of the bound - state density and some important correlations, the asfs of transition initial - and final - states were divided according to their angular - momentum and parity and calculated, and different number of csfs were included in the expansion of asfs
本文利用多組態dirac - fork ( mcdf )理論方法,通過對輻射躍遷初、末態電子波函數的獨立計算以及在原子態波函數的展開中考慮不同數量的組態波函數,系統地研究了弛豫和相關效應對中性ne原子2p ~ 53s ~ ( 1 . 3 ) p _ 1 ~ o - 2p ~ 6 ~ 1s _ 0電偶極共振和復合躍遷的能量以及躍遷幾率的影響,給出了長度和速度兩種不同規范下激發態的能量和輻射壽命;以中性ne原子的研究為基礎,進一步研究了類ne等電子系列離子( z = 11 - 18 )較低的激發組態2p ~ 53s和基組態2p ~ 6的能級結構以及各能級間的輻射躍遷特性。The entropy or number of states of system or subsystem are closely related to interaction of particles and energy level distribution, therefore, to study the temperature dependence of the specific heat may supply some important and useful microscopic information which may play an important role in understanding electronic structure, density of state, phonon spectrum etc. the specific heat measurements at low temperatures also play important roles in the finding of the third law of thermodynamics, the quantum theory of solid and bcs theory for superconducting etc. moreover, specific heat measurements help us to understand the different kinds of phase transitions ( such as : structural phase transition, magnetic phase transition, superconducting phase transition etc. ) and the scaling behavior near the critical point
系統、子系統的熵或微觀狀態數與微觀粒子間的相互作用及能級分佈密切相關,因此研究比熱與溫度的依賴關系能夠提供被測量系統許多極其有用的微觀信息,對理解固體的電子結構、電子態密度、聲子譜等起著十分重要的作用。低溫比熱的測量和研究對熱力學第三定律、固體量子理論和超導bcs等理論的建立起到了積極的推動作用。比熱研究還有助於認識各類相變如結構相變,磁性相變,超導相變等及臨界點附近的標度規律。This article studies on a novel method about detector calibration and monochromator calibration by using silicon pin photodiode. the detector and the monochromator of one spectrum measurement system had been calibrated using the method, and the spectrum distribution of one laser - produced plasmas ( lpp ) source with jet gas target was measured. the use of a specific combination of the silicon photodiode and multiplayer reflect films is the notable character in monochromator calibration
本文研究了一種利用光電二極體傳遞標準探測器標定普通探測器和單色儀系統的方法,實際標定了所用的探測器和單色儀系統,測得了噴氣靶激光等離子體光源的相對光譜分佈,設計出絕對光譜分佈的測量方法,並且利用labview的g語言及相應的數據採集卡等硬體設備構造出一套智能化、高效率的測量系統,完成了多層膜反射率測量工作。Here are some references for nrqcd & nrqed : renormalization group scaling in nonrelativistic qcd on the multipole expansion, the qcd heavy quark potential to order v * * 2 : one loop matching conditions on matching calculations
11下面是非相對論性量子色動力學和非相對論性量子電動力學的一些參考資料:關于多極展開的非相對論性量子色動力學中的重整化群定標,關于匹配計算的v * * 2階的量子色動力學重夸克勢:單圈匹配條件。The common methods for analysis of electromagnetic modeling have been reviewed firstly, the mlfma based on integral equation method and its potential deficiency is briefly presented, and the fipwa is introduced then
本文首先回顧了電磁建模的常用分析方法,介紹了基於積分方程方法的多層快速多極子方法,及其某些潛在的缺陷,引出本文研究的快速非均勻平面波演算法。The performance of the pbg antenna using the new pbg cover together with a pbg substrate is studied by the fdtd method together with the pml boundary treatment. the numerical results show that a more focused beam radiated in the broadside direction is achieved. the gain of the pbg patch antenna in the forward direction is improved by about 6 db. the radiation directivity is improved significantly and reaches 11. 5 db, which is 0. 4 db less than the maximum value that is allowed physically for this size of the antenna ( this difference is about 4. 1 db less than the difference achieved by thevenot et al.,
用fdtd方法並結合pml吸收邊界條件,我們對加了這種新的覆層結構並且基底鉆孔的復合結構電磁(光子)晶體貼片天線的性能進行了研究,結果證明加了這種新的電磁晶體覆層結構以後,天線的波束收攏很多,並且向前輻射的增益大大提高,與普通天線相比,天線的e面和h面方向圖上向前輻射的增益均提高了約6db ,另外,該復合結構天線的方向性系數達到了11 . 5浙江大學博士學位論文db ,與該物理尺寸天線的方向性系數的理論極限值( 11 . 9db )相差0 . 4db ,該差值比thevenot等人設計的電磁晶體覆層天線的相應差值減少了約4 . 1db ,比qiu等人設計的電磁晶體天線的相應差值減少了約1Permanent magnetism of the rotor synchronous electrical cigang permanent magnetism is multipolar, stator are two pairs of feet are still 90 degrees electricity perspective, a very similar jacket one coil
永磁同步電機的轉子是多極的永磁磁鋼,定子是兩對爪極偏90度電角度,爪極外套一線圈。In the case of dipole model, it gets the precision distribution of the electric field of the inside and outside of the particle by solving the laplace equation. the influences of the separation distance of the particles on the shear yield stress are investigated. and the result of the laplace is also contrasted with the result of the finite element by ansys software
在極化的狀況下,利用求解laplace方程,求解出多粒子下粒子內部的和周圍的局部電場的表達式,求解出粒子表面的極化電荷、粒子內部的和外部的局部電場,考慮了粒子間距對局部電場的影響,還分析了,在不同外加電場下對局部電場的影響,並且與ansys有限元的數值結果模擬進行了對比。The operating principle of the compressed electret micromotor is the variable capacitance. the attenuation time constant of the charges on rotor surface is much longer than the shaping time of electret itself while the rotor is made of electret
扁平駐極體微電機的工作原理是電容可變原理,電機轉子採用駐極體材料製成,轉子表面電荷的衰減時間常數要比駐極體本身形成的周期長得多。The present paper applies fast multipole method ( fmm ) and multilevel fast multipole algorithm ( mlfma ) based on the higher order moment of method ( mom ) to solve scattering from complex target
本文採用基於高階矩量法的快速多極子方法( fmm )及多層快速多極子方法( mlfma )計算復雜目標的電磁散射。On one hand, although the traditional methods to solve the electromagnetic scattering form the target by the so called high frequency methods such as po ( physical optics ), go ( geometry optics ), have the less memory and computational requirement, they also have the fatal defection that the accuracy of these methods are too poor to use in real applications
一方面傳統的高頻電磁分析方法雖然計算較快,內存需求較低。但是其存在的致命缺陷是計算結果精度較低,在許多場合下的計算結果的精度遠遠不能達到應用的要求。另一方面基於積分方程的多層快速多極子方法是一種求解電磁散射問題的快速演算法。So aimed at that, based on deep analyzing the eddy - current mechanism of the stator liners and rotor liners. this paper calculated the eddy - current with the multiple multipole theory by deploying the liners. according to the calculation result, the electromagnetic effect of the liners in the permanent magnet canned motor pump was analyzed
針對這一區別特徵,本論文在對定、轉子屏蔽套渦流產生機理分析的基礎上,採用將屏蔽套展開的方法,利用多極理論求解了屏蔽套的渦電流損耗,從而分析了屏蔽套對電磁性能的影響。It is emphasis how to calculate three - dimensional radar cross section ( rcs ) by the fma because of its superiority. the universal program has been accomplished by the fma, which may calculate the radar cross section of all kinds of shapes three - dimensional conducting bodies
由於快速多極子法分析三維物體電磁散射的優越性,本文重點研究了如何用快速多極子法求三維導體的散射截面,利用快速多極子法編出了能夠計算三維導體單站散射截面的通用程序。Using multilevel fast multipole algorithm to analyze electromagnetic scattering in resonance region of 3 - d complex objects
多層快速多極子分析三維復雜目標的諧振區電磁散射特性Research on electromagnetic scattering of complex targets has been received much attention for a long time, the fast inhomogeneous plane wave algorithm ( fipwa ) in this paper performs well in this purpose, and the computation complexity of its multilevel version ( mlfipwa ) is of the same order as the multilevel fast multipole algorithm ( mlfma )
復雜目標電磁散射研究長期以來廣受關注,本文研究的快速非均勻平面波演算法,可以快速精確的求解任意復雜目標的電磁散射問題,其多層形式的計算復雜度與多層快速多極子相當。To further speed up the solution of scattering from three dimensional electrically large object by multilevel fast multipole algorithm ( mlfma ), a local multilevel fast multipole algorithm ( lmlfma ) based on local interactions is proposed to evaluate matrix - vector multiplication
摘要為了進一步加速多層快速多極子演算法求解電大尺寸目標電磁散射,提出了一種基於局部耦合技術計算矩陣矢量相乘的多層快速多極子方法。Finally the paper emphatically introduces the mlfma ( multilevel fast multipole algorithm ). based on hybrid field integral equation the formulation of computation for the electromagnetic scattering of three - dimensional object is derivated. then the optimization of invariant terms and the expression of every child cube is analyzed during the electromagnetic scattering calculation when using the mlfma
文章最後引入多層快速多極子法,從混合場的積分方程出發,推導出多層快速多極子法計算三維物體電磁散射的公式,分析了多層快速多極子法計算三維物體電磁散射過程中不變項計算的優化和編程時每個小立方體的表示方法。分享友人