• The transmission of the sky wave is realized by the reflection from ionosphere, especially after reflecting many times, to achieve global communication.

    天波传播利用电离层反射实现尤其是多次反射可以实现全球通信

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  • 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.

    高频天波视距雷达独有距离多跳现象,使得位于雷达威力覆盖范围以远的杂通过地面与电离层的多次反射进入到雷达的接收阵列。

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  • I step away softly, just as I creep here quietly I wave gently, sighing goodbye to the western sky.

    轻轻的走了正如轻轻的;我轻轻的招手作别西天的云彩

    youdao

  • 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,曲项向天歌浮绿水,红掌拨清波!”好诗啊好诗!

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  • 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表面杂波多谱勒展宽,极大地限制高频天波雷达的目标探测性能

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  • 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,提出一种电离层扰动(慢相径变化)补偿改进算法

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  • The stability and space correlation about the sky-wave propagation time-delay in Loran-C system are studied.

    研究罗兰-C天波传播时延稳定性空间相关性

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  • Serial cloudy sky and cold wave in cold half year brings about a greater impact on the quality and yield of vegetable.

    半年经常发生连阴天气寒潮天气严重影响蔬菜质量产量

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  • The Sun, the sea, the sky, the sand, the smell, the wave, the cloud, the kite are all surroundings.

    沙滩上让太阳晒着懒洋洋地迷糊一小觉非常惬意,阳光,沙滩,海风海浪蓝天白云,风筝围绕着人们。

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  • Fields of golden wheat wave gently in the wind, sheltered by the widest blue sky.

    金色麦田广阔蓝天庇护随风轻柔摇曳。

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  • A method for extracting the characteristic of small targets was presented in the ground based sky from long wave infrared images.

    提出长波红外图像中近地空中小目标特性抽取一种方法

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  • They wave in the air, and landed not in a hurry, it seems as if reluctant to leave the sky, and some quietly jumped into the collar of pedestrians, the quietly disappeared.

    他们空中飘舞着,并不着急落地好像舍不得离开天空似的,有的悄悄跳入行人衣领里,无声无息消失了

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  • The operational principles and the development tendencies of sky-wave, ground-wave, and microwave OTH radars are also presented.

    主要论述天波地波微波超视距雷达工作机理及其发展趋势

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  • 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.

    偶然天空里片云偶尔投影——你不必讶异,更无须欢喜——转瞬间消灭了踪影。

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  • In the first part of this paper some typical methods for measuring sky long wave radiation and sky effective temperature are briefly reviewed.

    本文一部分天空长波辐射天空有效温度测定方法作了简要评述

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  • Very quietly I take leave, as quietly as I came here. Quietly I wave good-bye, To the rosy clouds in the western sky.

    轻轻的正如我轻:我轻轻的招手作别西天的云彩

    youdao

  • After a moment the light dimmed, and he looked up to see Luclin broken apart in the sky, a wave of energy carrying chunks of debris rapidly toward Norrath.

    瞬间过去,光芒暗淡下来抬起看见卡琳天空中裂成随片,一道冲击波夹杂着大块残骸诺拉斯急速的飞来。

    youdao

  • After a moment the light dimmed, and he looked up to see Luclin broken apart in the sky, a wave of energy carrying chunks of debris rapidly toward Norrath.

    瞬间过去,光芒暗淡下来抬起看见卡琳天空中裂成随片,一道冲击波夹杂着大块残骸诺拉斯急速的飞来。

    youdao

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