The research of structural noise control is an important aspect of noise and vibration control domains.
内燃机结构噪声控制的研究是振动与噪声控制领域的一个重要的研究方向。
The IS100-65-315 centrifugal pump as the research object, the prediction and optimization of the structural noise has been studied.
本文以is100- 65 - 315离心泵为具体研究对象，对结构噪声预测与优化控制进行了初步的研究。
The impulse motion and the unbalanced vibration of the pump generate certain structural noise which could be significantly expressed in frequency spectrum.
泵的脉动运动与不平衡振动产生了结构噪声，结构噪声在频谱中清晰显示出来。
Structural design for entire aerosol, high quakeproof-like, enhanced equipments stability effectively, shocks proof extra-heavy, the steady low noise, the extension service life.
结构设计为全悬浮、高防震式，有效地提高了设备的稳定性，避震特强，平稳低噪音，延长使用寿命。
The objective digital film image quality assessment based on peak signal to noise ratio, together with structural similarity and human vision system is proposed.
提出了以峰值信噪比为基础，结合结构相似度和基于人眼视觉系统的数字电影图像质量客观评价方法。
This paper studies the influence of structural stress parameters on the noise radiation of a stiffened cylindrical shell with different rib Numbers.
对加筋圆柱壳由于肋骨数目改变所引起的结构应力参数变化对辐射噪声的影响进行了探索。
The research has enabled static correction technology, noise suppression technology and structural imaging technology to have good systematic suitability and adaptability.
通过研究使静校正技术、噪声压制技术，以及构造成像技术等具有较好的针对性、系统性、适应性。
Based on the structural improvement, it not only control the engine noise from root, but also can improve the engine performance without adding the complexity to the engine.
通过结构改进进行低噪声发动机设计，不仅可以在根源上控制发动机噪声，而且可以改善发动机的性能，还不会使发动机结构变得复杂。
The contrast diagram shows that while the machine is in high-speed printing, the structural resonance arouses exceptionally big vibration and noise.
该图说明，该机高速印刷时的结构共振激发起过大的振动和噪声。
Benefited from the new structural design, noise can be controlled ultra-quiet at 20db status.
得益于全新的结构设计，噪音方面可以控制在20db的超静音状态。
This article deals with the Structure of a new dimensional pump and analyses Structural cause of its low-noise and little-leakage.
本文介绍一种新型径向柱塞泵的结构，分析其低噪声、低泄漏的结构原因。
Unreasonable if the structural design, there will be significant noise and vibration, seriously affecting the efficiency of the press, machining accuracy and die life.
如果结构设计不合理，将发生明显的噪音和振动，严重影响压力机的工作效率、加工精度和模具的寿命。
Contribution of structural modes to the radiation noise is analyzed.
并分析结构模态对辐射噪声的贡献量。
Among the processing the long wavelength statics can easily cause distortion of structural forms while the short wavelength statics will affect signal-noise ratio of seismic sections.
长波长静校正容易引起构造形态畸变，短波长静校正影响地震剖面信噪比。
Visco-elastic material has good structural damping characteristics, which can play a significant role in the design of machinery with noise and vibration problems.
不仅因为振动噪声普遍存在，还因为它对于一些重大工程项目有着巨大的影响。
According to the spectral characteristic of the noise source, the tube-type muffler, metal-enclosure muffler, structural-type muffler can be equipped before and after the noise reduction devices.
根据声源的频谱特性在其前后配置合理的管道式消声器、金属外壳式消声器、结构式消声器作为消声降噪的措施。
To better forecast and control the structural vibration and noise of naval vessels and other kind of ships, the energy finite element method was introduced.
为了解决舰船结构的振动噪声预报及其控制问题，以能量密度为变量，获得了薄板结构受激励产生弯曲振动时的能量密度控制方程，并得到了控制方程的有限元解。
The ripples create energy fluctuations which pass through the fluid to the structural components and into the air as noise.
所引起的波动而产生能量通过流体的结构部件和到空气中的噪音。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
The primary source of the low frequency acoustics is the radiating noise produced by the vehicle structural vibration, which is induced by the vibrating of the engine and the suspension system.
低频噪声的来源主要是由发动机振动，悬架系统振动所引起的车身板件振动产生的辐射噪声。
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