The stability and space correlation about the sky-wave propagation time-delay in Loran-C system are studied.
研究了罗兰-C天波传播时延的稳定性与空间相关性。
The operational principles and the development tendencies of sky-wave, ground-wave, and microwave OTH radars are also presented.
主要论述了天波、地波、微波超视距雷达的工作机理及其发展趋势。
Ionospheric frequency modulation causes spreading of the surface clutter in Doppler domain which greatly limits the detection performance of HF sky-wave radars.
电离层频率调制导致地表面杂波的多谱勒展宽,极大地限制了高频天波雷达的目标探测性能。
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.
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。
I step away softly, just as I creep here quietly I wave gently, sighing goodbye to the western sky.
轻轻的我走了,正如我轻轻的来;我轻轻的招手,作别西天的云彩。
Chance I am a cloud in the sky, a chance shadow on the wave of your heart. Don't be surprised, Or too elated; in an instant I shall vanish without trace.
偶然我是天空里的一片云,偶尔投影在你的波心——你不必讶异,更无须欢喜——在转瞬间消灭了踪影。
In the first part of this paper some typical methods for measuring sky long wave radiation and sky effective temperature are briefly reviewed.
本文的第一部分对天空长波辐射和天空有效温度的测定方法作了简要评述。
Finally, the variation laws of sky radiation temperatures in the wave band are given qualitatively.
最后,给出了该波段天空温度的变化规律。
The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.
天波的传播是利用电离层的反射来实现的,尤其是多次反射后可以实现全球通信。
Fields of golden wheat wave gently in the wind, sheltered by the widest blue sky.
金色的麦田在广阔蓝天的庇护下随风轻柔摇曳。
The sky wave is the major transmitting way of short-wave communication.
因此短波通信的主要传播路径是天波。
Serial cloudy sky and cold wave in cold half year brings about a greater impact on the quality and yield of vegetable.
冬半年经常发生连阴天气和寒潮天气,严重影响了蔬菜的质量和产量。
Quietly I wave goodbye to the rosy clouds in the western sky.
我轻轻的招手,作别西边的云彩。
Very quietly I take leave, as quietly as I came here. Quietly I wave good-bye, To the rosy clouds in the western sky.
轻轻的我走,正如我轻的来:我轻轻的招手,作别西天的云彩。
Quietly I wave good-bye To the rosy clouds in the western sky.
我轻轻的招手,作别西天的云彩。
Goose goose goose , singing crooked towards the sky , white hair floating on green water, red foot paddlling clear wave. Good poet! Really Good!
许仙念诗“鹅鹅鹅,曲项向天歌,白毛浮绿水,红掌拨清波!”好诗啊好诗!
Goose goose goose , singing crooked towards the sky , white hair floating on green water, red foot paddlling clear wave. Good poet! Really Good!
许仙念诗“鹅鹅鹅,曲项向天歌,白毛浮绿水,红掌拨清波!”好诗啊好诗!
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