Đặt câu với từ "sky wave"
1. 30 The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.
2. Since the surveillance area of sky wave Over-The-Horizon Radar (OTHR) is very vast, realizing the ship detection with short coherent integration time (CIT) is an operational requirement for OTHR.
3. 23 The sky wave over the horizon radar (OTHR) is a new mechanism in which the ionosphere is used as a mirror to reflect the radar high frequency signal to detect the target.