Sound calculation method of piston sound source geometric average sound pressure
活塞型声源几何平均声压的声强计算方法
ultrasonic bond meter
超声波结合强度测定计
Design and sound field computation of an array with intense directivity
一种强指向性基阵的设计及声场计算
Design of ultrasound-enhanced subcritical water extraction apparatus and analysis on the threshold of ultrasonic cavitation
超声强化亚临界水萃取装置设计及声空化分析
Multi-path Channel Estimation in Strong Impulse Noise Environment
强脉冲噪声环境下的多径衰信道估计
There are also instruments known as noise meters which measure this level directly.
还有一些可以直接测出声强级的仪器，叫做噪声计。
Estimation of ship motion parameters based on acoustic intensity
基于声强矢量的舰船目标运动参数估计
Design and Realization of Application System of High Intensity Focused Ultrasound System;
高强度聚焦超声治疗系统应用软件设计与实现
The Design and Trial-manufacture of an Audio Amplifier Chip Plus 3D Enhancement;
立体声增强功能音频功放芯片的设计与试制
Wavelet Thresholding for Speech Enhancement Based on Adaptive Noise Estimation
基于自适应噪声估计的小波阈值语音增强
The low phase noise design of reference PLL of mini port receiver's 1st LO
便携式场强测试仪参考环的低噪声设计
Target Strength Calculation of Underwater Complicated Targets Coated with Absorbing Materials
敷设吸声材料复杂目标的目标强度计算
Design and Experiment on Fluidic Low-frequency and High-intensity Sound Generator
射流低频高声强发生器设计与实验研究
Speech Enhancement Based on Noise Estimation and Masking Property in Bark Domain
基于Bark域噪声估计及掩蔽效应的语音增强
Design of Array Model with Intense Directivity and Sound Field Simulation
一种强指向性基阵模型的设计及声场仿真
Speech Enhancement Based on Noise Eigenvalue Estimation in Subspace Domain
基于子空间域噪声特征值估计的语音增强方法
Cranks up the sound on the stereo.
使立体声的声音增强
A White House plan to improve cyber security is running into some skepticism.
白宫关于增强网络安全的计划引来一片怀疑之声。