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- standing acoustic waves 声学驻波
- In other designs, a finger or stylus interrupts a standing pattern of acoustic waves or infrared lights that blanket the surface. 至于第三种波动式荧幕,则是用声波或红外线覆盖整个表面,而手指或触头会阻断这些驻波图样。
- Express the factors resulting in the attenuation of acoustic waves. 叙述引起音波衰减的因素。
- The transduction of acoustic waves into voltages by a microphone. 声波被麦克风转换为电压。
- The microphone converts acoustic waves to electrical singals for transmission. 麦克风将声波转化成电信号进行传播。
- Keywords: nanometer, nano acoustic waves, piezoelectric, nano ultrasonics. 关键词:奈米、奈米声波、压电、奈米超音波。
- A pulse acoustic wave and its relationship with OAO flurescence are recorded. 记录了CO_2脉冲激光激发BCl_3分子时形成的脉冲声波,及其与OAO荧光的对应关系。
- J.F. Rosenbaum, “Bulk Acoustic Wave Theory and Devices,” Artech House, 1988. 钟曜光,“压电式微超音波感测器,”国立台湾大学机械工程研究所,民国90年。
- Influence of Acoustic Wave Attenuation on the Properties of Fiber AOTF[J]. 引用该论文 厉群;刘小明;李佟;金韬;周炳琨.
- Acoustic waves are a primary candidate for supplying the energy necessary to heat the solar chromosphere and corona. 声波是供给太阳色球和日冕加热所需能量的主要候选能源。
- Thus, acoustic waves retain more of their energy when they reflect off the ground. 因此,当被从地面反射的时候,声波保存了更多的能量。
- The surface acoustic waves (SAWs) are dispersive when the near-surface properties of materials are changed. 材料近表面性质的变化能够导致在其中传播的声表面波发生色散。
- The diffraction of surface acoustic waves in Raman-Nath regime on acoustic grating with linearly chirped spatial frequency is investigated. 本文将声表面波声栅上的Raman-Nath衍射现象研究发展到其周期的空间频率为线性变化的声栅情形。
- For very high frequency clocks, a surface acoustic wave (SAW) oscillator is preferable. 对于非常高的频率时钟,用声表面波振荡器更好。
- All these indicate that the acoustic wave velocity in granite samples is affected by several extrinsic factors and some rules may be found. 实验结果表明,声波在岩石内传播速度受很多外在因素影响,并具有一定的传播规律。
- By comparing the acoustic wave impedance with the VSP (vertical seismic profile), the reflectors of the CCSD pilot hole have been analyzed. 分析结果表明(1)岩性间波阻抗差异产生反射波,如榴辉岩与副片麻岩之间波阻抗差异;
- Are you willing to stand surety for your brother? 你愿意当你弟弟的保证人吗?
- The FEM equation of acoustic wave is used to calculate the air-current natural frequency and pressure pulsation in the pipeline. 利用有限元法求解声学波动方程,建立了管内气流的有限元运动方程,计算出管内气柱的固有频率和气流压力脉动。
- The acoustic wave impedance coefficient is recovered from the incomplete data of the far field pattern. 对于系数反问题进行了研究,利用远场模式的不完全数据反演声波阻尼系数。
- Ken-ya Hashimoto, Surface Acoustic Wave Devices in Telecommunications: modeling and simulation, Springer, 2000. 陈建宏,通讯用压电陶瓷材料及元件,工业材料115期,1996。