In this paper, by means of fictitious sound source, the orientation, course and delay time of early reflected sound rays as well as reflecting areas on interfaces in room acoustic field are analyzed.
对室内声场中早期反射声线的方向,历程,延迟时间和各界面上的反射区域用解析法进行分析,推导出各前次反射面的边界座标和实用的计算表格,使之走向定量化设计。
The internal wave equation, water sound equation, the solution of internal waves, and sound ray theory are introduced briefly in this paper.
针对海洋内波对水声传播影响的问题 ,在简要引出内波方程、水声方程和内波解、射线理论之后 ,以水深 2 10 0m等V is l 频率的全板造波内波解对双线性水声剖面情况计算了内波和内波对声场及声线传播的影响。
The algorithm of point source in room acoustic fields was studied by using solid angle assumption,and the sound rays were simulated by using computer.
利用等立体角,研究了室内声场的点声源模型的数学算法,并利用计算机进行了模拟;点声源的算法将为室内声场中声线的跟踪和声场的模拟提供了有力的工具。
ultrasonic linear image diagnosis device
超声线性成像诊断仪
bilinear profile
双线[声速]剖面图
thermal or hot-wire microphone
热线或热线式传声器
a weak light, signal, sound
微弱的光线、 信号、 声音
ARTI (Acoustic Ray Trace Indicator)
声辐射线跟踪显示器
The wind set up a humming in the wires.
风使电线发出嗡嗡声。
variable-audio-frequency radiosonde
变声频无线电探空仪
ultrasonic tomograph
超声层析X射线摄影机
sonic digital cartridge
数字声波井下电子线路
bucking coil loudspeaker
反作用线圈式扬声器
aural radio range
无线电导航有声信标
circulating surface acoustic wave delay line
环绕式表面声波延迟线
directional radio sonobuoy
定向无线电声纳浮标
ARSB (Anchored Radio Sonobuoy)
锚泊无线电声纳浮标
cosmic radio noise recorder
宇宙无线电噪声记录仪
ratio of gain to noise temperature of an antenna
天线增益噪声温度比
linearity limit output of microphone
线性限制的传声器输出
collinear acoustooptic tunable filter
共线声光可调滤波器