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- plane wave signal 平面波信号
- Keywords: acoustics, muffler, transfer matrix, plane wave. 关键词：声音、消音器、传输矩阵、平面波。
- An eigenstate of momentum, on the other hand, has the form of a plane wave. 在其它方面一个动量特征态具有一平面波形。
- When the square wave signal pass the LPF,we can get the sine signal. 经过分析可知,检测过程中的低通滤波器对检测的精度和速度有重要影响。
- A special type of unsteady motions which bear a resemblance to plane wave solutions of the linear theory of elasticity can be constructed. 一种特殊类型的、和线性弹性理论中的平面波解有点相象的非稳态运动可以建立起来。
- When an inhomogeneous plane wave is introduced into a dense dielectric layer, it can bounce between the two boundaries. 把一非均匀平面波引进折射率较高的介质层时，它会在上下界面间来回地“弹”射。
- It is important to recall that a sound wave in a nonhomogeneously deformed material cannot be a plane wave. 重要的是要记得，非均匀变形材料中的声波不可能是平面波。
- A newly developed auto-monitor system for the long wave signal(BPL) is introduced. 介绍了新研制的长波信号 (呼号BPL)自动监视系统。
- Keep in mind that an idealized monochromatic plane wave must be depicted as an infinite wave train. 要记住，一个理想的单色平面波应当表述为一个无限的波列。
- The computational results are in accord with the results of plane wave Born Approximation. 计算结果与平面波玻恩近似结果符合得较好
- The results show that acoustic wave in pipeline propagates as plane wave with little falloff. 研究结果表明，声波通过管道中介质以平面波传播且衰减较小；
- The dynamic error is inevitable because the bandwidth of measurement system cannot cover completely the efficient bandwidth of the blast wave signal. 由于测试系统的带宽不能完全覆盖冲击波信号的有效带宽,存在不可忽视的动态误差。
- If the wavefronts are parallel lines, the waves are called plane waves. 假如波前为一些互相平行的轮廓面，这波就叫平面波。
- USB mouth, digital double channel and electric potential collector, brain wave signal is put into the computer after digital processing. USB接口全数字化双通道脑电采集器，将脑电信号数字化处理后输入计算机；
- This is equivalent to an angular distribution of constituent plane waves. 这等价于各种成分的平面波的角分布。
- With plane wave method,it is proved that the 1D-USPC shares the same bandgap character. 利用平面波法证明了一维超声光子晶体具有一般一维周期层叠结构光子晶体的禁带特征。
- Curve the films into rectangle waveguide with BCl3 ions. Detect the gain 10.0dB at the 10uW square wave signal and pump power 160mW. Get 4.2dB gain per centimeter. 用BCl_3干法刻蚀将镱铒共掺Al_2O_3薄膜刻蚀成光波导，当信号光被调制为1Hz的方波时，在160mW功率泵浦下，光波导放大器的总增益为10.;0dB，单位长度增益为4
- The bandgap structure of one-dimensional photonic crystal was calculated and derived with the plane wave method(PWM). 用平面波法研究了椭圆钢柱与环氧树脂组成的三维简立方晶格声子晶体的带隙结构。
- Synchronous monitoring system can record and recurring the monitoring image and brain wave signal synchronously, and monitor the cooperation of the testee. 同步监控系统，将监控图像和脑电信号同步记录和回放。能够监控被测试对象的配合程度；
- If the wavefronts are parellel lines, the waves are called plane waves. 假如波前为一些互相平行的轮廓面,这波就叫平面波。
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- 深远海浮式风电平台 - deep-sea floating wind power platform
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- 京雄高速公路 - Beijing-Xiongan expressway
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- 农业及相关产业增加值 - the added value of agriculture and related industries
