查询词典 stationary wave

Such a gigantic antenna could be used to generate the gigantic stationary wave around the Earth.

这样一个巨大的天线可以被用来产生巨大的平稳波环绕地球。

Measuring sound velocity in the air using stationary wave method is discussed in this paper,phase comparison method and Lissajous figure method both could determine the wave length of ultrasonic wave.

1引言在大学物理实验教学中，测量空气中的声速用传统的共鸣管方法和超声波方法。

This paper studies the law of sedimentation in the field of stationary wave ,and investigates the formation mechanism of sand wave by a 2-D sedimentation model.

文章通过建立二维泥沙沉降模型，研究了驻波场中泥沙沉降的规律，对沙波的形成机理作了初步的探讨。

The stationary wave method is used to measure the reflectivity of RAMs and its theory is introduced briefly. The emphasis is on the measurement of permittivity by wave guide method.

介绍了吸波材料测量表征的原理与方法，并重点研究了介电常数的测量，给出了利用波导测量线测量电磁参数的方法与步骤。

This paper studies the la of sedimentation in the field of stationary wave, and investigates the formation mechanism of sand wave by a 2-D sedimentation model.

文章通过建立二维泥沙沉降模型，研究了驻波场中泥沙沉降的规律，对沙波的形成机理作了初步的探讨。

The article adopts sensor, ScienceWorkshop to measure velocity of sound with syntony stationary wave method. Not only the change of sound wave can be heard, but also the change of sound wave with computer can be demonstrated.

文章采用传感器和数据采集接口，利用计算机采集数据，配以专用DataStudio软件，用共振驻波法测量声波的波速，不仅可以听到声音强弱的变化，而且可通过计算机演示波形的变化。

Water surface wave ; stationary wave ; rectangular water trough ; optical effect

由矩形水槽里水的表面波理论导出了驻波方程，并定量研究了标准矩形游泳池中的驻波现象，计算结果与实际现象基本符合。

According to piezoelectric equation and vibration theory of quartz crystal, we studied the elastic wave＇s transmission characteristic in a AT-cut thickness-shear-vibration quartz crystal, and the frequency conditions of which quartz crystal resonator formed stationary wave in electrode district.

根据石英晶体的压电方程和晶体振动理论，研究了AT-切石英晶体厚度切变振动模式下振动频率与结构参数间的关系，以及石英晶体谐振器在电极区形成稳衡驻波的频率条件及电极区外波的传播特性。

sound velocity ; temperature ; stationary wave method ; ultrasonic wave

虽然用超声波测声速具有以上优势，但实验数据的精确度在一定程度上受到超声波信号发生器的稳定性、压电陶瓷换能器的效率、周围环境温度等因素的影响。

This paper finds that the treatment efficiency of ultrasound wave at combined frequencies of low and high excels other fashion ultrasound wave. The combined frequencies ultrasound wave with 28 kHz and 840 kHz can compensate others trough each other and eliminate stationary wave and can make furthest effect of cavitate in liquid anywhere.

3本文从理论分析及计算机模拟超声波波形传播得出低、高频搭配的超声波对印染废水的处理效果远远高于其他方式。28kHz和840kHz频率超声波能够相互补偿对方的波谷，消除驻波，使液体各处所受超声波辐射均匀且声压均最强。

Finally, according to market conditions and market products this article paper analyzes the trends in the development of camera technology, and designs a color night vision camera.

最后根据市场情况和市面上产品的情况分析了摄像机技术的发展趋势，并设计了一款彩色夜视摄像机。

Only person height weeds and the fierce looks stone idles were there.

只有半人深的荒草和龇牙咧嘴的神像。