交替运用结构有限元法与声学边界元法，对齿轮结构振动声学特性数值计算问题进行了研究。
The numerical analysis of vibro - acoustic characters of a gear structure was carried out by use of structural FEM and acoustic BEM.
混响消减相关技术还可应用于地震数据分析、超声波检测、生物医学、振动声学、雷达声呐等其它方面。
This technology may also find applications in various aspects like seismic data analysis, ultrasonic measure, biomedicine, vibration acoustics etc.
声学和振动。弹性件振动声学传输性能的实验室测量。第2部分：平移运动用弹性支架的动态劲度。直接法。
Acoustics and vibration - Laboratory measurement of vibro-acoustic transfer properties of resilient elements - Part 2: dynamic stiffness of elastic supports for translatory motion - Direct method.
因此，乐器的进化优化了它们的声学特性，且优化了乐器振动的方式，并将这些振动通过空气传到我们的耳膜。
So musical instruments evolved in ways that optimize their acoustical properties, how the instrument vibrates and sends those vibration through the air to our eardrums.
玻璃的声学振动。
但是对于一些有低频振动的材料，如声学振动。
But for materials where you have vibrations, acoustic vibrations, those are low frequency.
由声学的基本原理可知：产生噪声的根本原因是振动。
Due to the basic theory of acoustics:the fundamentality reason of noise is vibrate.
完成振动和声学测试后，工程师将检查OT IS以确认其未被损坏。
Upon completion of vibration and acoustic testing, engineers will inspect OTIS to confirm that it hasn't been damaged.
以舰艇声纳导流罩为研究工程背景，本文的主要研究工作是对健康完整和含层间分层损伤复合材料结构的振动特性和声学特性的分析探讨上。
Aiming at the sonar dome in submarines, this thesis mainly addresses the vibration and acoustic characteristics of intact and delamination-damaged structures of composite materials.
声学，振动，动力系统，控制学。
广州市凯丰汽车用品公司是一家集研发、设计、生产于一体的专业控制声音和振动方面的声学材料制造商。
Guangzhou Kaifeng automotive supplies company is a research and development, design, production in one professional control sound and vibration, acoustic material manufacturers.
玉音声学成功地解决了多种类型噪声和振动问题。
Yu-tone acoustic successfully resolved a variety of types of noise and vibration problems.
本文从声学振动理论出发，分析并导出了结构的振动与表面辐射噪声的关系。
In this paper, the relationship between the structure vibration and the surface noise radiation is analyzed and deduced from the acoustic and vibrational theory.
利用有限元软件AN SY S和声学边界元软件SY SNO ISE对U型管道结构的受激振动与辐射声场进行分析。
Vibrations of an excited U-shape pipe and its radiation field are investigated by using FEM software ANSYS and acoustic BEM code SYSNOISE.
我们还提供噪声、声学、声音与振动等领域的咨询服务。
We provide also consultant services in the fields of noise, acoustic, sound and vibration.
六月，一个乘员舱适配器(CMA)模拟器抵达nasa格伦的梅溪站进行检测，包括所有重要的声学和机械振动试验，模拟发射条件。
In June, a Crew Module Adapter (CMA) simulator arrived at NASA Glenn's Plum Brook Station for testing, including all-important acoustics and mechanical vibration tests to simulate launch conditions.
讲授的课程包括应用数字信号处理，工程声学，声音和振动研究及结构动力学。
Taught courses including Applied Digital Signal Processing, Engineering Acoustics, Sound and Vibration Studies and Structural Dynamics.
理论推导和实例结果表明，随机振动的声学响应特性取决于声学频率响应函数和激励谱密度函数。
The results show that acoustic response feature of random vibration depends on the acoustic response function and the spectral density function of the stimulating load.
自从上个世纪30年代以来，海洋声学监测仪一直在提供有关地球振动的信息。
Ocean acoustic monitors have been providing information on the earth's vibrations since the 1930's.
本文讨论通过发动机结构的声学优化降低结构振动噪声的方法。
The approach to reduce the structure-borne noise in IC-engines by means of the acoustic optimization of the structure is discussed in this paper.
讲授的课程包括应用数字信号处理，工程声学，声音和振动研究及结构动力学。
Taught courses including Applied Digital Signal Processing, Engineering Acoustics, Sound and Vibrati.
宁波拓普声学振动技术有限公司；
宁波拓普声学振动技术有限公司；
应用推荐