射线理论(ray theory) 描述声场是由射线来传递声能量的,从声源出发的射线按一定的路径行走而到达接收点,其声场是所有到达射线的叠加结果。
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...蕙教授提出了有限频率分析的方法,针对不同频率地震波所敏感的地球构造尺度与波前复元计算,修正了过去 波线理论 ( Ray Theory )的误差,同时得以将地震讯号强度增加百分之三十到六十的解释能力。
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asymptotic ray theory 渐近射线理论
stan-dard ray theory 标准射线理论
light ray theory 光线理论
ghost ray theory 虚拟射线理论
direct ray theory 直射线理论
complex ray theory 复射线理论
Seismic Ray Theory 地震射线理论
acoustic ray theory 声线理论
Generized ray theory 广义射线理论
Several underwater acoustic channel models are investigated, the emphases isplaced on the features of acoustic ray theory model and on its feasibility inpractical use for real sea environments.
作者在论文中所做的研究工作及创新点包括一下几个方面:1.研究了目前常用的几种数值水声场信道模型,着重分析了声线理论模型的特点及其在建立海洋声场环境模型中的应用可行性。
参考来源 - 基于声线理论的水声信道传播特性研究In this dissertation, the sound field was computed with Gaussian ray bundle method which based on ray theory. The Gaussian ray bundle is an improvement of Gaussian beam.
本文以射线声学为理论基础,采用高斯射线束方法来对声场进行计算,高斯射线束方法源于对高斯波束方法的改进。
参考来源 - 海底参数反演技术研究Besidesthat ray theory is helpful to calculate three-dimensional sound field, and theinversion of sound field could be finished quickly enough to realize the detectionof ocean environment in wide area.
特别是射线理论对.解三维声场尤为方便,它将有望实现三维声场的快速计算和声场的反演,达到海详环境的监测目的。
参考来源 - 基于射线理论的匹配场声源定位研究Second, the formula for average intensity of ocean reverberation is deduced on the basis of Ray theory for monostatic case, then it is proved by computer simulation.
然后从分层介质的射线声学理论出发导出倾斜海底收发合置海底混响平均强度的近似表达式,并对其进行数值分析。
参考来源 - 三维环境海洋混响强度衰减规律研究·2,447,543篇论文数据,部分数据来源于NoteExpress
Gaussian beam method is essentially a seismic forward modeling method that combines wave equation and ray theory.
高斯射线束方法是将波动方程和射线理论相结合的一种地震正演模型方法。
Based on complex ray theory, the Gaussian beams emitted by complex source points are employed to simulate the far-field pattern of antennas.
根据复射线理论,利用复源点高斯波束场来模拟天线的远场方向图。
The forward modelling method of wave equation is of a high precision and a lower computing efficiency compared with the ray theory based method.
波动方程正演模拟法相对于射线法具有精度高、效率低的特点。
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