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- vibration and sound radiation experiment 振动和声辐射试验
- sound radiation experiment 声辐射实验
- In this paper, the effect of disc muffler on vibration and sound radiation of worm shell is discussed. 摘要探讨了圆盘型进气消声器对蜗壳振动和声辐射的影响。
- The vibration and sound radiation behaviors of the stem of submarine with rudder and vane are studied. 摘要针对带有舵翼的水下航行器尾部结构模型,研究舵翼对水下航行器尾部的振动及声辐射的影响。
- Furthermore, the author of this paper composed the sun radiation chart of Kaoshiung area to test the accuracy of the full-scale sun radiation experiment at NSYSU Lab. 本文实地制作高雄地区的日照热辐射图,确保国立中山大学能源实验屋进行全尺度日照热辐射实验时的准确度;
- In order to reduce sound radiation of a structure, the method of Active Structural Acoustic Control (ASAC) was developed in the 1980s. 自八十年代后期以来,为了更为有效地降低结构声辐射,人们提出了主动结构声学控制(ASAC)。
- The singular integration will affect the precision of the result while the Boundary Element Method (BEM) is used in calculating sound radiation. 边界元法应用于计算辐射声场时,由于奇异积分的存在,会影响到计算结果的精度。
- The current study is to investigate the relationship between the sound radiation and enclosure vibration by using a laser vibrometer. 利用激光测振仪,测试了箱体振动速度随频率的变化,分析了前几个振动模态的声辐射能力。
- In this paper,ring-stiffened cylindrical shells coated with internal deck are experimented on vibration and sound radiation. 对具有内部甲板的环肋柱壳模型进行振动和声辐射试验。
- The numerical results explain that the vibration and sound radiation of stern can be degraded by enforcing the rigidity of rudder or reducing the length of the vane. 结果显示舵翼结构与周围流体的相互作用很大,改变其尺寸和刚度会使得模型的声压发生很大的变化,同时流固耦合现象的存在使得模型在水中的频率明显下降,并且模态阶数的顺序也发生了改变。
- A new theory, named the Resonance Radiation Theory (RRT), is presented in order to deeper understalldingthe mechanisms of sound radiation by submerged structure. 为了深入认识水中结构的声辐射机理,木文提出一个称为共振辐射理论(ResonanceRadiationTheory-RRT)的新理论。
- For improved sound radiation capability, the size and the shape of the enhancer can be modified in various ways, including a frustoconical, parabolic, or bell-shaped enhancer. 为了改善声音的辐射能力,特别是在中频和高频范围内的辐射能力,增强器的尺寸和形状可以有多种变化的形式,包括截锥形、抛物面形或者钟形等。
- Galactic Radiation Experiment Background Satellite 格雷勃试验卫星
- When the conductance of sound radiation for IDT is equal to the output conductance for the matching network, the reflection loss and transmission loss can be reduced. 叉指换能器的声辐射电导等于匹配网络输出端电导时,可以减小反射损耗和传输损耗。
- The time dependence of radiation damage in bipolar op-amps is studied through a series of radiation experiments. 摘要通过一系列辐照实验对双极运放辐射损伤的时间相关性进行了研究。
- The mind control experiments were interwoven with radiation experiments, and research on chemical and biological weapons. 精神控制实验与放射实验化学和生物武器的研究交织在一起。
- Numerical analysis of vibration awl sound radiation efficiency from a submerged cylindrical shell has been carried out by using FEM methods, BEM methods and statistical energy methods. 摘要利用有限元、边界元和统计能量分析方法并结合软件对圆柱壳体在流场中受激振动及声辐射效率作了数值计算分析研究。
- Today, his conversation jumps more rapidly from one subject to the next: victims of radiation experiments, his hatred of George H.W.Bush, MK-ULTRA, his personal experiences. 今天,他的谈话更为迅速从一个主题跳跃到下一个:辐射实验的受害者,他憎恨乔治布什,MK-ULTRA,他个人的经历。
- Studies showed that proper sound radiation could enhance the activity of protease, activate immobilized protease, promote the immobilizing process, enhance the synthesis productivity of poly peptide, accelerate the acylization catalyzed by protease. 有关研究发现,适宜的超声辐照可以增强蛋白酶的活性;激活固定化蛋白酶,促进酶的固定化过程;提高二肽的酶合成产率;加速在蛋白酶催化下发生的酰化反应。
- Results are presented for the sound radiation efficiency and power of the modes of the rectangular baffled plate subjected to simply-supported boundary conditions when the plate is excited by obliquely incident plane wave. 通过计算,得到了嵌在无限大障板中简支板模型在斜波入射作用下的声辐射功率和辐射效率。