低频声 meaning in Chinese

all-bottom sound

If it is a low frequency sound , it is processed as an analog signal
对低频声进行传统的处理。
The hearing aid determines if the sound is a high frequency sound or a low frequency sound
通过100个滤波器和音素分析器决定哪些声音是高频或低频声,哪些声音是元音和辅音。
2 ) in order to solve the scattering and diffraction of sound radiation , in this dissertation , based on helmholtz equation and its boundary equations , modeling of three - dimensional fem is given for computing low frequency sound transfer function in small enclosures
2 )为解决声音在传播过程中所发生的散射和衍射现象，本文基于有源helmholtz方程及其边界条件，建立了求解小尺度封闭空间内低频声传递函数的三维有限元模型。
Boundary condition method just amend a little for intrinsic fem program , and can obtain low frequency sound transfer function of receiver based on existed fem mesh . the big sound source is divided into some elements by lumped sound source method , in which , the biggest size of element is smaller than the smallest wavelength of sound wave
边界条件法仅对原有的有限元程序作较小修改，并在已有的有限摘要元网格划分上，能够求解出接收点处的低频声传递函数;集中声源法将大尺度声源划分为若干板块，其最大几何尺寸小于最小声波波长。