1) observed acoustic field
有效声场
2) effective sound field of receiver
有效接收声场
1.
This paper dicusses changes of amplitude and travel time of wave when the defectis in different part of the effective sound field of receiver.
讨论了异常体在有效接收声场不同部位时 ,波幅及声时的变化 ,并用模型及工程测试结果说明了波幅在超声检测中的作用。
3) effect of ultrasonic field
声场效应
4) effective noise power
有效噪声<声>
5) effective sound velocity
有效声速
1.
This paper established a planar acoustic passive localization model, it could eliminate the disturbance of the effective sound velocity when using TDOA to position distant targets, designed the general structure of the position system, proposed a simple method to design time difference calculating circuit.
建立了一种平面波声被动定位模型,在利用TDOA方法定位远距离目标时,可消除有效声速的影响。
2.
And their various locating properties under the condition of the effective sound velocity variation are analyzed.
基于声传播的平面波模型，采用向量分析方法导出了十字阵和正四面体阵的测向公式，分析了两者在有效声速变化条件下不同的定位性能；结果表明，对正四面体阵，采用合适的算式，可在方位估计中避开有效声速的影
3.
It could eliminate the disturbance of the effective sound velocity when using the system to p.
在利用这种系统定位远距离目标时,可消除有效声速的影响。
6) effective acoustic sections
有效声段
补充资料：混响声场
见声场。
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