We elaborate the theory of localization algorithms, and implement the algorithm combined with radio wave propagation model in underground complex environment.
给出了该算法进行定位的原理,并结合井下复杂环境中的电波传播模型来实现该算法。
Using the Normal Model Theory and Wavenumber Integration Method, a low frequency acoustic wave propagation model in shallow sea of multi-layered media is constituted.
应用简正波理论并结合波数积分法,建立了浅海低频声传播特性的仿真数学模型。
It was modified combined with their actual measured values that the environmental factors in radio wave propagation model equation matrix of underground complex environment.
对井下复杂环境中无线电波传播模型方程中的环境因子矩阵,结合了实际测量值对其进行了修正。
Acoustic field simulation is an important part in sea combat field simulation. It is a key step to establish an acoustic wave propagation model in an underwater acoustic field.
声场仿真是研究舰船声场和海洋声环境的重要手段,而声传播特性仿真是建立声场环境的关键一环。
The parabolic equation method has been used widely in the electromagnetic wave propagation model and becomes the main tool to resolve the problem of electromagnetic wave propagation.
抛物方程方法已经被广泛地应用于电磁波传播模型,并成为解决电磁波传播问题主要的工具。
The model of wave propagation in functionally graded material (FGM) is introduced to soil medium, and the concept of functionally graded soil medium is brought forward.
研究了将功能梯度材料中应力波传播的计算模型应用到土介质中,提出了梯度土介质的概念。
The law of least resistance or shortest path of spread of stress wave as well as general propagation model of stress wave are given.
提出了前兆应力波扩展与传播的最小阻力或最短波径定律以及地应力波传播的概略模型。
This paper presents an effective radio wave propagation prediction model by using radiation sources tree for microcellular environment. This model is based on ray-tracing and UTD.
提出了一种有效的微蜂窝电波传播预测模型,该模型基于射线跟踪法和UTD理论,并使用辐射源树的方法。
Model parameters have the important effects on three-dimensional distinct element code (3dec) modeling of the stress wave propagation and attenuation in jointed rock masses as well as other codes.
与其他数值软件一样,用三维离散元程序(3dec)模拟应力波在节理岩体中的传播和衰减时,模型参数对模拟结果有很重要的影响。
Correlating detonation wave propagation with the conjugate pairs appearing in micro-explosion and annihilating in expansion, the conjugate detonation model is established.
共轭对在微爆炸中产生并在膨胀中湮没,将此过程与爆轰波传播相关联,建立了共轭爆轰模型。
Based on the one dimensional wave propagation theory, a simple dynamic model was presented to analyze the failure process and energy absorption of the shells under impact loading.
根据一维应力波传播理论,提出了圆柱壳受轴向撞击破坏的简化模型,分析了这一破坏过程中的能量变化。
Based on the kinematic characteristics of the vehicle start wave propagation, a kinematic model for the vehicle start wave which accords with the reality and whose parameters are explicit was built.
为寻求一种符合实际且参数意义明确的信号交叉口起动波模型,根据起动波传播的运动学特性建立了起动波的运动学模型。
From integrated physical model test on the scale of 1:30, the effect of a deep water channel on propagation of diagonal incident wave is studied.
通过1:30比尺的整体物理模型试验,研究了深水航道对斜向入射波浪传播的影响。
With the help of model techniques, we can determine seismic velocity in porous media by accounting for viscous fluid effects on wave propagation.
借助模型技术,可以利用孔隙介质中粘滞流体对地震波传播速度的影响预测地震波传播速度,降低反演结果的不确定性。
The influence pattern of deep water channels upon wave propagation is studied by REF/DIF model, which combined refraction and diffraction effects together.
本研究是把折射和绕射的相关影响结合起来考虑的复合折射-绕射模型REF/DIF 模型应用于深水航道对波浪传播的影响规律的研究。
This model can consider the effect of the viscosity of rock skeleton and saturation degree on the propagation of the seismic wave.
由于此模型不但考虑了岩层骨架的粘性,而且考虑了饱和度对地震波传播的影响,从而可以全面地了解地震波在准饱水岩层中的传播特性。
Rayleigh wave propagation and dispersive curve in single layers semi-infinite space model and three dimensional road embankment are studied comprehensively by using finite difference software FLAC3D.
笔者利用有限差分软件FLAC3D,对单层介质半无限大体和三维路基体的瑞利波传播特性以及频散曲线进行了数值模拟分析;
The mathematical model which describes seismic wave propagation in elastoplastic medium is developed on the basis of elastoplastic the - ory.
本文根据弹塑性理论,提出一种弹塑性介质地震波传播的数学模型。
Based on the one-dimensional wave propagation theory, a simplified dynamic model was presented to analyze the failure and energy absorption of the tubes under impact load.
根据一维应力波传播的理论,提出了圆柱壳受轴向撞击破坏的简化模型,分析了这一破坏过程中的能量变化。
The propagation velocity of shock wave agrees with the result of the model analysis on a "effective gas".
激波传播速度与基于“等效气体”模型计算值相符。
The paper constructed a time depth conversion model of plane wave propagation in two layer medium.
本文构造了一种在二层介质中平面波传播的时—深转换模型。
A theoretical model is developed to simulate the dynamic load transfer between the actuators and the host medium and the resulting elastic wave propagation.
建立一个理论模型来模拟致动器和母体之间的动态载荷传递以及产生的弹性波传播。
The traveling wave propagation rule is validated by simulation for transmission line model and results show the correctness of theoretical analysis.
利用输电网的线路模型对上述行波传输规律进行了验证,证实了理论分析的正确性。
According to stochastic characteristics of electromagnetic wave propagating in wireless channels, stochastic rays are employed to model electromagnetic wave propagation.
根据电磁波在无线信道中传播的随机特性,使用随机射线建模电磁波传播。
A theoretical model for nonlinear Lamb mode propagation in a composited layer has been established, based on a partial plane wave approach.
基于导波的部分平面波分析理论,建立了复合固体层中非线性兰姆波的理论模型。
Mechanical model of rock slotting by abrasive jet is established on the basis of rock dynamics, fluid mechanics and wave propagation theory.
在岩石动力学、流体力学、波传播理论的基础上建立了磨料射流切割岩层力学模型。
The propagation characteristic of acoustic wave in borehole that penetrates compact carbonate formation is analysed by doing model experiment.
本文用模型实验研究了声波在致密碳酸盐岩地层井中的传播特性。
The propagation of P-wave in one-dimensional rock masses is analyzed according to plane to plane contact model.
采用面-面接触模型模拟了纵波在一维岩体中的传播,给出了纵波波形;
This article provides the application of the high-order, staggered-grid, finite-difference scheme to model elastic wave propagation in 3-d isotropic media.
本文应用交错网格高阶有限差分方法模拟弹性波在三维各向同性介质中的传播。
This article provides the application of the high-order, staggered-grid, finite-difference scheme to model elastic wave propagation in 3-d isotropic media.
本文应用交错网格高阶有限差分方法模拟弹性波在三维各向同性介质中的传播。
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