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- sky wave delay 天波时延
- On striking the earth, the sky wave bounces back again. 一打到地面,天波又弹跳回来。
- The Significance of A Wave Delay Potential in Localization of the Target Sites of Slow Pathway Ablation. A波延迟电位在慢径消融靶点定位中的应用
- This paper reports the investigation and fabrication of a 800 MHz surface skimming bulk wave delay line oscillator (SSBWDLD). 本文是关于800MHz相控掠面体振荡器(SSBWDLO)的研制报告,在AT切石英基片上制作了810MHz的频控元件SSBWDL。
- Inevitably, some technically difficult problem must be solved, including the variety of speed about tropospheric propagation, the sky wave disturbance and the near-far problem. 但是,不可避免的遇到几个技术难题,包括无线电传播速度变化的影响,天波干扰问题,以及远近效应问题。
- This paper mostly introduces the confirmation of electric wave delay,the confirmation of MUF values,the form of frequency-controlling code and the relative interface circuits in detecting system. 主要介绍选频系统中回波时延值的确定、MUF值的确定、频率控制码的形成及其有关的接口电路。
- sky wave propagation for low frequency 低频天波传播
- A cloud is a mass of vapor in the sky. 云是天空中的水汽团。
- circulating surface acoustic wave delay line 环绕式表面声波延迟线
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- surface acoustic wave delay line 表面声波延迟线
- a sky wave that is reflected by the ionosphere 通过电离层反射回来的天波
- variable surface acoustic wave delay line 表面声波可变延迟线
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- magnetostatic volume wave delay line 静磁容积波延迟线
- high-frequency sky wave field strength 高频天波场强
- a sky wave that is reflected by the ionosphere. 通过电离层反射回来的天波。
- The sky is bespangled with stars. 天空中点缀着亮晶晶的星星。
- Lightning zigzagged across the sky. 闪电曲折地在天空划过。
- "Near-Vertical Incidence Sky wave"antenna “NIVS”天线