1) 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。
2) 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。
3) 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
5) beam steering
超声跟踪
1.
In this paper,ways to design LiNbO_3 anisotropic acousto-optic device based on beam steering theory are studied.
以超声跟踪反常声光器件的设计思想为基础,讨论了超声跟踪LiNbO_3反常声光器件的设计思路和具体方法。
2.
A novel optimum design method of LiNbO3 anisotropic acousto-optic device based on beam steering is put forward, the accurate design parameters under different incident light angle and different number of transducers are systematically calculated.
给出了一种新的超声跟踪铌酸锂反常声光器件的优化设计方法,利用该方法系统计算了在不同入射角以及不同换能器片数情况下器件设计参数的准确数值。
3.
The beam steering theory is studied to solve the problem that we can not get wider 3db Bragg bandwidth and high diffraction efficiency at the same time in the optimum design of LN anisotropic acousto-optic deflector (AOD) which is a crucial issue in the process to design an AO deflector.
本文介绍了为解决铌酸锂反常声光偏转器相对带宽和衍射效率之间的矛盾使用在铌酸锂反常声光偏转器上的超声跟踪优化设计方法。
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