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- On striking the earth, the sky wave bounces back again. 一打到地面,天波又弹跳回来。
- During sea-state remote sensing by skywave OTH radar,the received sea-surface echoes may be smeared by the ionospheric slow phase-path modulation. 在用天波超视距雷达进行海态遥感时,因电离层慢相径调制污染致使海面回波谱质量下降,直接影响到遥感海态参数估计。
- While OTH radar systems were primarily employed for early warning purposes early in their development, current efforts have turned them into far more sinister systems. 尽管OTH雷达主要是出于早期预警的目的加以部署,但当前的进展已经让它们变成越来越不祥的系统。
- sky wave over the horizon radar(SWOTHR) 天波超视距雷达
- This paper presents an improved arithmetic for extracting and compensating the phase-path variations caused by the ionospheric disturbance in a HF sky-wave OTH radar with FMCW waveform. 摘要针对采用调频连续波(FMCW)体制的天波超视距雷达的应用场合,提出了一种电离层扰动(慢相径变化)补偿改进算法。
- 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。
- The radar scanned the sky for enemy planes. 雷达密切监视天空,搜索敌机。
- A model for evaluating sky wave over-the-horizon radar combat efficiency 天波超视距雷达作战效能评估模型
- Refraction effect in troposphere on OTH radar signal 对流层折射对超视距雷达信号定位的影响
- Sea-Clutter-Canceling for HF Ground-Wave Shipborne OTH Radar 高频地波舰载超视距雷达的海杂波对消
- 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。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- A reflected wave received by a radio or radar. 反射波收音机或雷达接收到的反射波
- a sky wave that is reflected by the ionosphere 通过电离层反射回来的天波
- high-frequency sky wave field strength 高频天波场强
- The huge trees were profiled against the night sky. 在夜空的映衬下显出大树的轮廓。
- a sky wave that is reflected by the ionosphere. 通过电离层反射回来的天波。
- "Near-Vertical Incidence Sky wave"antenna “NIVS”天线
- Detecting Method of Targets Direction with Pair Null Beam for HF Ground-Wave Shipborne OTH Radar 高频地波舰载超视距雷达的双零点波束测角方法