1) ray-tracing method
声线跟踪法
1.
Improvement on ray-tracing method-changing diameter sonic particle method;
声线跟踪法的改进—变径声粒子跟踪法
2) ray tracing
声线跟踪
1.
We designed algorithms on the basis of the well-known ray tracing model to deal with effect of obstacles on sound propagation in enclosed sound field such as in a room.
提出了根据障碍物特点进行分类研究的方法,然后利用声线跟踪法和统计学思想,设计了屏风、隔墙、大量无规则分布的小障碍物3种情况下的室内声场模拟算法。
3) ray-tracing
声线跟踪
1.
For the simulation of sound fields in complex environment,an algorithm including multiple sound reflections,which is suitable for enclosures with arbitrary shape and sound obstacles,is developed based on the conventional ray-tracing method.
为研究复杂场景中的声场模拟方法,在经典声线跟踪算法基础上,发展了一种适用于房间形状任意、存在声障碍物条件,能考虑散射、衍射的多重声反射跟踪算法,实验结果表明该算法对常用声学指标具有较高的计算精度。
2.
A method of step-length by defining the receiver dynamically based on ray-tracing was proposed,which solved the problem between sound effect and computational efficiency,especially for the outdoor sound field simulation in large-scale virtual environments.
声线跟踪算法是一种目前较为流行的基于几何声学声场模拟算法,但该方法依赖于特定接收点的位置,因此不能直接用于接收者处于不断移动状态的虚拟环境中。
4) ray tracing method
射线跟踪法
1.
We use the efficient ray tracing method to describe the UWB indoor environments.
针对在超宽带无线通信UWB(Ultra Wide Band)使用过程中对现有的其他通信系统产生干扰效应的问题,通过使用射线跟踪法研究UWB(Ultra Wide Band)室内传播环境的特性,建立射线跟踪模型。
2.
Through the ray tracing method, the transmission characteristic of UHF wide band radio wave in coal mine tunnels is investigated by the Matlab software.
应用射线跟踪法,通过MATLAB仿真工具仿真研究在井下巷道中,UHF频段的宽带电磁波的传播特性。
5) shooting and bouncing ray
射线跟踪法
1.
The radar cross section (RCS) of complex combination objects is studied and the typical algorithm of shooting and bouncing ray (SBR) is improved to enhance the speed and accuracy of computation.
研究复杂组合体目标后向散射场问题 ,并对射线跟踪法的典型算法进行改进 ,以提高计算精度和运算速度。
2.
Methods The method of shooting and bouncing rays was used to calculate the RCS and stokes theorem was used to improve the arithmetic.
目的研究三面角反射器后向散射场问题,并对射线跟踪法的典型算法进行改进,以提高运算速度。
6) ray-tracing
射线跟踪法
1.
A 2-D ray-tracing method is used to analyze antenna spacing effect on the indoor NLOS MIMO channel capacity ccdfs.
采用2维射线跟踪法分析了天线间隔对非视距室内环境中MIMO系统容量ccdfs的影响。
2.
The effects on capacity complementary cumulative distribution functions(CCDFS) of multiple-input multiple-output(MIMO) channel caused by the different antenna array structures and indoor propagation environments of both line-of-sight (LOS) and non-line-of-sight(NLOS) cases are analyzed by using a 2-D SBR(shooting-and-bouncing) ray-tracing method.
采用2维射线跟踪法分析了视距、非视距室内传播环境和天线阵列结构对多入多出(MIMO)系统容量补累积分布函数(CCDFS)的影响。
补充资料:声线轨迹仪
声线轨迹仪
sound ray tracer
以及根据情况和需要设定的声源深度、发射波束的俯仰角和垂直开角、距离范围和声线出射角间隔等。声线轨迹图提供的海区现场水文条件下声波传播状况的信息,有助于确定施曳声纳和吊放声纳的有利工作深度,声纳基阵的俯仰角,选择潜艇隐蔽活动及其声纳发现目标的最佳深度等。 (郑兆宁)shengxion guiliyi声线轨迹仪(sound ray traeer)计算、显示和记录声线轨迹的水声仪器。装备于潜艇和反潜水面舰艇。其功能是,根据输人的有关数据,用声线方程计算海洋垂直截面上从声源出发具有不同出射角度的一组声线,将其轨迹显示在荧光屏上,或以硬拷贝方式记录下来。计算所需的原始数据,主要是声速测量仪提供的海洋声速剖面图,
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条