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- sound standing wave [电] 声驻波
- VSWR.Abbreviation for Voltage Standing Wave Ratio. VSWR电压驻波比的缩写。
- VSWR? Voltage Standing Wave Ratio? 电压驻波比?
- The sound absorption coefficient of the material was tested by standing wave tube method. 采用驻波管法测试材料的吸声系数。
- Physical design of 2 MeV standing wave accelerating tube[J]. 引用该论文 柏伟;许州;金晓;黎明;杨兴繁;沈旭明.
- Standing wave LUM is the mainstream of the research of the LUM. 驻波型直线电机是直线型超声波电机发展的主流。
- By measuring the acoustic pressure at two points along the tube, the standing wave sound field in the resonator could be separated into incident and reflected components. 在该方法中,只要测量沿程两点的声压,便可将管内平面驻波声场分解为入射波和反射波两种分量。
- Standing wave representations such as these are called atomic orbitals. 这种驻波示意图叫做原子轨道。
- There is no finite velocity of propagation, and we speak of a standing wave. 波没有有限的传播速度,因而我们称之为驻波。
- WARNING: Standing Wave Ratios in excess of 2:1 may cause transmitter damage. 警告:当驻波比超过2:1可能会导致发射部件受损。
- WARNING : Standing Wave Ratios in excess of 2:1 may cause transmitter damage. 警告:当驻波比超过2:1可能会导致发射部件受损。
- The timbre of the laryngeal sound stands out, and oral noise decrease. 噪音的音色充分显露出来,口腔的噪音就消失了。
- Standing Wave Rations in excess of 2:1 may cause transmitter damage. 当驻波比超过2:1可能会导致发射部件受损。
- The timbre of the laryngeal sound stands out, and oral noise decrease . 噪音的音色充分显露出来,口腔的噪音就消失了。
- The causes for the muffler attenuation trough was analyzed by the sound modal analysis and the sound pressure map analysis, and the improvement was put forward with the control measure of the long duct standing wave. 用声模态分析和声压分布图分析的综合方法分析了消声器产生消声低谷的原因,并利用长管道驻波的控制方法加以控制。
- A new type of sound absorbing material was made from super-strength gypsum and glass fiber and the sound absorp-tion coefficient of the material was tested by standing wave tube method. 以高强石膏为主要原料,内掺玻璃纤维,在发泡剂的作用下,制备出一种新型多孔吸声材料,采用驻波管法测试材料的吸声系数。
- For a standing wave,the region or point of maximum amplitude between adjacent nodes. 波腹,腹点一个连续波中,相邻波节中最大振幅的位置或点。
- In the experiment of measuring sound velocity, the sound velocity is generally measured by producing standing waves between a couple of ultrasonic transducer. 摘要在物理实验中常利用在1对换能器之间形成的驻波测量声速。
- Energy and its density of wave, Huygens principle, wave interference, standing wave and its characters, Double effect. 波的能量及能量密度;惠更斯原理;波的干涉,驻波及其特征,多普勒效应。
- The resulting standing wave is a swirling motions such as might result if we swirled water in a round-bottomed cup. 所产生的驻波是一种旋转运动,它是在我们转动圆底杯中的水时会产生的现象。