The diffraction characteristics of the phase mask for UV-written fiber grating is investigated using rigorous coupled-wave theory.
本文利用严格耦合波理论对用于光纤光栅制作的相位掩模的衍射特性进行了深入的研究。
Using white noise to drive shaping filter, the interference model of wave is acquired on the basis of stable stochastic process theory, and the simulation results are satisfactory.
根据平稳随机过程理论,利用白噪声驱动成形滤波器,获得海浪的干扰模型,并得到了令人满意的仿真结果。
On the basis of above theory, using Rayleigh wave method and combining with a small amount of engineering geology work, inspection of roadbed disease can be performed.
在上述理论的基础上,利用瑞雷面波法,结合实际的工程地质工作,可进行高速公路路基质量的检测。
Using theory of vibration wave propagation, the concept of the attenuation coefficient of vibrating acceleration is drawn, and the test results of attenuation coefficient are analyzed.
应用振动波传播理论引出加速度衰减系数的概念,并对加速度衰减系数的试验结果进行了分析。
Using the theory of wave propagation, one-dimensional wave equation and inverse problem of damaged medium was established and analyzed.
利用波传播理论,建立损伤介质的一维波动方程及反问题分析理论。
In this paper, the ICRF fast wave mode-conversion and correlative damping mechanism in an inhomogeneous hot plasma are investigated for the configuration of tokamak by using the kinetic theory.
本文对托卡马克位形,用动力理论研究了非均匀热等离子体的ICRF快波模转换及有关的阻尼机制。
The text introduces the theory of the radar antenna 's scan wave by adopting the method of using wave width to describe antenna radiate direction FIG.
本文介绍了雷达天线的扫描波束理论,采用了用波束宽度描述天线辐射方向图的方法。
And, using the planar hologram diffraction theory, the coupled wave equations of the volumetric hologram grating diffraction have been derived and the diffraction efficiencies obtained.
将体全息光栅视为许多平面全息光栅的集合,利用平面全息衍射理论导出体全息光栅衍射的耦合波方程,并得到其衍射效。
The linear fatigue of the jacket structure was evaluated by using wave spectrum analysis theory and theory of linear cumulative damage.
采用随机波浪谱和线性疲劳累积损伤理论对导管架式海洋平台在波浪荷载作用下的疲劳可靠性进行研究。
Using the method of rigorous coupled-wave theory to compute the diffraction efficiency of a grating, the program for calculating diffraction efficiency for both te and TM polarization is made.
通过利用严格的耦合波理论计算光栅衍射效率的方法,分别编制出了计算te波和TM波的衍射效率程序。
Using spin wave theory and the equation of motion technique for the Green function, specific heat of ferromagnetic antiferromagnetic double layers at low temperature is investigated.
应用线性自旋波的理论和格林函数运动方程技术,利用数值计算的方法得到铁磁-反铁磁双层系统的低温比热。
Using two-flow model, small perturbation theory and solvable conditions of one-order linear equations, a dispersion equation of pressure wave in horizontal air-liquid bubbly flow was proposed.
利用两流体模型、小扰动原理和线性一阶齐次方程组有解的条件,得到了气液泡状流型下的压力波色散方程。
First, the properties of volume holographic grating, such as diffraction efficiencies, Angle and wavelength selectivity, have been theoretically analyzed by using the couple-wave theory.
首先应用耦合波理论对体全息光栅的衍射效率以及角度选择性和波长选择性等衍射特性进行了分析。
The structure of the lid is designed according to the wave penetrating theory and is optimized by using finite element method.
结构设计依据电磁透波原理,并应用有限元进行结构优化。
The important and difficult problem of theory and technology for automatic wave compensation is firstly solved by using crane without wave compensation.
用非波浪起重机方式,首次解决了两船间吊装货物过程中对海浪引起船舶运动的自动补偿这一普遍的重要理论与技术难题;
The theory to confirm the location of blockage in pipeline which using the positive wave happened in the course of water hammer was first put forward in the paper.
提出了利用管道水击过程中的正压波确定天然气管道冰堵位置的原理和方法。
The problem of checking on the quality of pile foundations is studied by using the theory of stress wave propagation.
利用应力波传播理论探讨了桩基质量检测问题。
And for non-breaking wave the horizontal particle velocity can be estimated by using regular wave theory.
对于非破波,质点的水平速度可以由规则波理论得到。
Several properties of the weak discontinuity across an elastic-plastic boundary in plane wave propagation have been investigated by using the theory of singular surface.
本文用奇异面理论研究了弹塑性平面波传播中弹塑性边界间断的几个性质。
Using wave guide theory, we deduce scalar approximate solution about transmissive light through a fiber weak-guide and give the expressions of field in each component.
根据光波导理论,推算出弱导条件下光沿光纤传输场的标量近似解,给出场的各分量表达式,以便分析讨论。
A new technique called substrate integrated waveguide (SIW) is presented in this article, and then wave modes in the SIW structures are explained by using surface currents theory.
首先介绍了基片集成波导(SIW)这一新技术,并用表面电流理论解释了电磁波在SIW中的传输模式。
In recent years, the sonic full wave well-logging technique is widely using for solid mine well-logging and engineering prospecting with its maturing both in theory and instrument.
近年来,声波全波列测井在理论和仪器原理上已经成熟,正被广泛应用在固体矿产测井及工程勘查设计中。
Using the mathematical theory of soliton wave to study the stress wave of an oil pipe, we show that it has the property of soliton wave and obtain an expression of its solution.
利用孤子波的数学理论到圆截面直筒油管的应力波传播的研究,得出了这类应力波具有孤子波的性质,并导出了它的解的表示式。这对研究弹性圆管应力传输问题是有帮助的。
The bifurcation of travelling wave solutions for the generalized water wave equations are studied by using the bifurcation theory of planar dynamical systems.
应用动力系统分支理论,研究广义水波方程组行波解的分支。
In order to extend the short-term wave records, the statistical correlation model of wave heights between two close wave stations is investigated and established by using the Markov Chain theory.
以台湾海峡之国光钻油平台与新竹海气象浮标的有效波高为分析对象,通过移转机率矩阵建立马尔可夫链波高相关性模式。
Then the mutual affection of multi-pneumatic-hammers was studied using the theory of elasticity wave and random modulation.
然后利用弹性波理论和信号随机调制理论,分析了多路随机振动互相作用。
The periodic wave solutions of the generalized CH equation are investigated by using bifurcation theory of differential equations and numerical simulations.
用微分方程分支理论和计算机数值模拟方法研究广义CH方程的周期波解。
The spectral variation mechanism of the transmitted pulse when surface wave meets a defect in steel tube concrete is explained by using the diffraction theory.
运用波的绕射理论阐明了表面波遇到缺陷时透射脉冲频谱发生变化的机理。
By using the WKB method and slowly-varying wave packet theory the main cause for the size change in Tropical Cyclone is analyzed.
应用小参数方法和缓变波包理论分析了热带气旋尺度变化的主要原因。
Radiation wave surrounding a horizontally submerged truncated circular cylinder with harmonic sway motion is analyzed using the linear potential wave theory.
根据线性势波理论,分析了水中截断圆柱体作水平简谐运动时结构周围的辐射波浪。
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