场分布
- 网络Field Distribution;field profile
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首先,利用FDTD研究了带隙型PCF,获取了光纤的导引频率、泄漏损耗和模场分布。
First , a band-gap guiding PCF is investigated by FDTD and the frequency of the guiding mode , the leaky loss and the mode field profile of the fiber are obtained .
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分析比较了传统六角芯型保偏光子晶体光纤和五角芯型保偏光子晶体光纤的有效折射率、模场分布及双折射特性。
The effective index , modal field profile and birefringence properties of the standard highly birefringent hexagonal photonic crystal fiber and the new highly birefringent PCF were investigated and compared .
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光学层面分析(OpticalTomography)是重建透明介质某一层面参量场分布的诊断技术。
Optical tomography is the diagnose technology that reconstructs parameter field distri-bution of transparent medium layer .
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用荧光光纤温度传感器测试X射线探伤机高压包热场分布
Experimental analysis of thermal field distribution within the high voltage coil of x - ray detector with fluorescent fiber-optic temperature sensor
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本文提出了用光学分层成像法(OpticalSectioningTOmography,OST)重建火焰三维温度场分布的理论和方法。
The Optical Sectioning Tomography is proposed to reconstruct 3-dimensional temperature distribution in flame .
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采用ANSYS有限元软件,系统模拟了强激光作用下的热补偿全反射硅镜的温度场分布和热变形。
The temperature and thermal deformation distributions of the thermal compensation mirror were simulated using ANSYS finite element analysis in this paper .
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通过求解泊松方程,得到了在不同Nd离子掺杂浓度和不同泵浦光半径情况下激光晶体内的温度和温度场分布。
The temperature distribution in the laser crystals with different Nd concentration and different pumping radii were obtained by using the Poisson equation .
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Fe-Ni合金超精细场分布的计算机算法
Algorithm for determining the hyperfine field distribution of Fe-Ni alloys
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本文首先给出了纤端光场分布的3D模型并针对单模光纤与激光器的对接分析了错位、角度偏差等对接效率影响因素。
This paper first gives a 3-D profile of light intensity in fiber end-face and analyzes the consequences of initial offset and angular misalignment between a single-mode fiber and a laser diode coupling .
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采用ANSYS编写的程序得到地源热泵换热器的温度场分布,通过对运行结果分析得出:单管换热时埋管对周围的土壤温度影响半径;
ANSYS procedures used to prepare the ground source heat pump heat exchanger temperature distribution analysis of the results : single-tube heat exchanger pipe to the surrounding radius ;
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然后用时域有限差分法(FDTD)数值计算了锥形光纤光场分布,论述了在不同的包层半径处,光纤锥的光场分布特性。
Optical field in tapered optical fiber is numerically simulated using 2D finite-difference time-domain ( FDTD ) method , optical character in different cladding radius is expounded .
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通过仿真可对再流焊温度曲线进行优化,使得PCB组件得到比较均匀的温度场分布,并调整对PCB的约束,使得变形最小化。
Optimize the temperature figure is attainable through the simulation , and the temperature distribution of PCBA is more uniform , also the warpage is minimized by adjusting constrained condition .
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然后通过数值计算,求出了双间隙谐振腔的谐振频率和场分布,并分析了谐振腔的结构尺寸对频率的影响,为C波段双间隙输出腔的设计提供了理论依据。
The dispersion equation and field solutions are employed to numerically calculate frequencies and field distributions , the effect of the resonant cavity size on frequency is discussed , and the theoretical basis for design of C-band double-gap output cavity is provided .
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采用边界元法分析了准静态场分布的优化及与EUT(受试设备)的阻抗耦合;
The optimized quasi-static field distribution and impedance coupling with EUT were analyzed by boundary-element method ;
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本文利用有限元软件ANSYS对孔洞式滑轨在炉内受热时的温度场分布进行了模拟计算,得出了孔洞大小和滑轨高度变化与改善加热效果的关系。
In this paper , by using FEM software-ANSYS , the temperature field of new slide rails in heating furnace was simulated , the relations are educed between the heating effect and the hole size , slid-rail height .
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探讨LITT热场分布的规律并据此探讨合理的治疗策略。
To study the thermal distributive laws of LITT which is essential to therapeutic strategy .
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目的在肌肉等效体模及Beagle犬颈段食管中测定ZRL-Ⅱ型食管腔内加热辐射器的温度分布,探讨其热场分布能否满足食管癌加热治疗的临床需要。
Objective To assess the temperature distribution of the ZRL - ⅱ radiofrequency intraluminal applicator for esophagus hyperthermia in the muscle-equivalent phantom and Beagle dogs ' cervical esophagus .
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通过数值计算讨论了正交各向异性系数以及Mach数对场分布和幅度的影响。
Through numerical calculation it is seen that the distribution of the field and the amplitude of the field 's quantity are greatly influenced by the plastic orthotropy and Mach number .
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文章在运动模拟器初始通风冷却温度控制方案的基础上,提出了风扇换热器组件冷却方案,并采用CFD模拟两种方案下模拟器内部流场和温度场分布。
The heat exchange method for cooling motion simulator based on initial ventilating cooling method is presented in this paper . The flow field and temperature field in two different motion simulators are simulated using CFD method .
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从分析多个影响灵敏场分布的因素出发,通过仿真实验和数据分析研究ERT软场特性的规律。
Based on sensitivity simulation analysis technique , the governing rule of the ERT field was studied on the basis of several factors that affect sensitive field distribution .
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运用ANSYS的CFD对浸入式水口两种预热烘烤方式下的瞬态传热过程进行了研究,得到了水口烘烤预热后的温度场分布和水口的升温曲线。
The transient heat transfer process of the submerged nozzle under two different preheating regimes is studied by CFD of ANSYS and thereupon the temperature field distribution of the nozzle after preheating and its temperature rise curve have been obtained .
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给出其在两个主平面&E平面与H平面上的辐射方向图和波束场分布特性的测试结果以及电压驻波比VSWR的测量结果;同时给出频带和旁瓣特性。
The measurement results of patterns , field distribution characteristics of wave beam in two principal planes-H plane and E plane and the voltage standing wave ratio VSWR , and the properties of bandwidth and sidelobe are given .
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应用光子晶体光纤(PCF)的本地正交基函数模型,对PCF的模式特征进行了详尽的数值研究,包括模式特性、传输常量、模场分布、模场面积、功率限制特性等。
The mode characteristics of the photonic crystal fiber ( PCF ) are investigated in detail using the orthogonal functions , including the propagation constant , mode-field distribution , effective power confinement factor .
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研究结果表明,激光脉冲的近场分布及口径、时域调制及脉宽等都将影响SRRS增长过程。
The results show that all the spatial , temporal intensity modulation , aperture and pulse width will affect the growth of SRRS .
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建立了辐射地板供暖的传热模型,利用SIMPLER计算程序模拟计算了地表装饰材料和埋管保温层性能对辐射地板换热和地表温度分布的影响,得出了地板内部的温度场分布规律。
Establishes a heat transfer model for the radiant floor heating system . Analyses the effect of the flooring material and insulation layer on the heat transfer and temperature distribution by numerical simulation using the SIMPLER program and obtains the temperature distribution inside the floor .
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采用射线追迹与StrattonChu矢量衍射积分相结合的方法,分析计算小F数倒置显微镜成像系统焦区的矢量衍射场分布。
The diffracted field in focal space of a reverse microscope imaging system with small F-number , on which a linearly polarized plane wave is incident obliquely , is analyzed using ray tracing method and Stratton-Chu vector diffraction formula at millimeter wavelengths .
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应用MonteCarlo方法计算了介入治疗源的剂量场分布,模拟了粒子在生物组织中的输运过程,研究了125I辐射源的几何特性以及介质的均匀性,分析了这些因素对剂量分布的影响。
This paper calculated the dose distribution of interstitial brachy-therapy source by using of Monte Carlo method , simulated particle 's transfer procedure in bio-tissue , studied the 125I radiation source geometry features and medium uniformity features , analyzed these factor 's effect to dose distribution .
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利用有限元软件ANSYS模拟了32m混凝土箱梁在进行蒸汽养护时的温度场分布情况,证实已设计的蒸汽养护方案是可行的,分析得到的温度分布规律可以为类似的工程借鉴。
By means of FEA software & ANSYS , the paper simulates the temperature field of the 32 m box beam during steam curing , which shows the steam curing means designed is workable , and it is suitable for similar engineering .
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以设计的高反射多层膜为基础,利用傅里叶模式理论分析了其衍射场分布,给出了TE波自准直角入射的使用条件下,多层介质膜脉宽压缩光栅衍射效率的表达式。
Based on the designed multi-layer film with high reflectance , the distribution of diffraction field of multi-layer pulse compression gratings is analyzed by Fourier modal theory and the expression of its diffraction efficiency is given on the condition of transverse electric field incidence at Littrow angle .
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利用数值方法计算了磁绝缘线振荡器(MILO)主慢波结构谐振腔和扼流腔的谐振频率和场分布。
Through numerical calculation , the high frequency characteristics of magnetically insulated line oscillator ( MILO ) coaxial slow wave structure ( SWS ), the frequency of the eigen-modes and its distribution of coaxial SWS are presented .