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- ground wave range 地波范围
- The simulation of bistatic/multistatic HF ground wave radar echo is analyzed. 摘要分析了双／多基地高频地波雷达回波信号的仿真过程。
- This FPI is suitable for wavelength measurement and laser spectrum observation, especially for short submillimeter wave range. 适宜用作亚毫米波波长的测量和频谱特性的研究。
- A new Chinese radioheliograph project (CSRFI) at multiple frequencies in the dm-cm wave range with 100 antennas of is proposed. 摘要在无线电波段进行射电观测是研究太阳的一个十分重要的手段，不同波段的无线电波反映出不同的特性和状态，其辐射频率与环境参数密切相关。
- A three dimension polarization filtering algorithm is put forward to suppress th e skywave interference in HF ground wave radar. 以高频地波雷达为背景，提出了三维极化滤波方法，此方法能够滤除二维极化滤波不能抑制的干扰，扩大极化滤波的干扰抑制范围。
- An ocean echo signal simulation system for verification and calibration of FMICW high frequency ground wave radar is presented in this paper. 该文给出一种调频中断连续波(FMICW)高频地波海况监测雷达的仿真模拟检验系统。
- It uses physical absorber which can absorb UV of full wave range, resists damage cause by UVA/B, purifies inner skin tissue, and prevents sun scald and tumefaction. 高浓缩“美白修护精华”能抑制因日晒造成的肌肤变黑和色斑的形成，达到美白、修护、防护于一体的功效。
- SDA is especially meaningful because it is the first event to awards honors to dramas from all three ground wave stations. 除了韩国三大电视台的综合选送作品外，我们也非常注重颁奖典礼的公正性。
- The paper introduces the method of the HF ground wave radar to pick-up the usable information, gives the detailed scheme to obtain the simulant echo. 文章首先分析了雷达回波信号中有用信息提取方式，给出了模拟回波信号的实现方案；
- In this paper, signal preprocessing for bearing determination of ocean surface radial current mapping by HF ground wave radar based on MUSIC is investigated. 阐述从高频地波雷达海洋回波反演海洋表面流中,使用MUSIC算法提取径向流方位必须的信号预处理。
- The experiments successfully indicated that the transition location of laminar boundary layer can be controlled by internal acoustic excitation with an appropriate input power in a frequency range which is far beyond the Tollmien-Schlichting wave range. 实验结果表明:边界层转捩位置可以用内声激发扰动控制。
- The DSR spectrums show the compounds with unpaired electron (with V+4 atom) possess broad absorbed peaks at VIS wave range, and the compounds with only V+5 atom show a obvious absorption edge. 研究了12种化合物的紫外－可见固体漫反射光谱、稳态荧光光谱性质。 紫外－可见固体漫反射光谱显示具有未成对电子(即含有+4价钒原子)的化合物在可见波段有宽的吸收峰，而仅具有五价钒的化合物的紫外-可见固体漫反射光谱具有明显的吸收边。
- It is one of the key techniques how to correct the additional second-phase factors (ASF) which indicate the affection of land on the speed of ground wave for developing the accuracies of timing and navigation of Loran-C signal in long-wave. 如何修正用以表征陆地对罗兰C信号电波(地波)传播速度影响的附加二次相位因子(ASF),是提高长波无线电导航定位和高精度授时的关键技术之一。
- Electromagnetic wave range finder 电磁波测距
- The fox went to ground under a rocky escarpment. 狐狸钻进了石崖下面的洞里。
- The ground was covered with ferns. 地面上长满了羊齿植物。
- Ground wave to skywave correction 地波对天波修正值
- He lifted a pail of water from the ground. 他把一桶水从地上提了起来。
- Rachel who died last week was still above ground. 雷切尔上星期去世，现在还没安葬。
- This car really comes into its own on rough ground. 这辆汽车在颠簸的路上才真正显示出它独特的性能。
