If the satellite has an elliptical orbit the result is a spiral wave a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
High efficiency and high linearity space traveling wave tube (TWT) is required for satellite communication system as a high power, high gain microwave amplifier.
作为卫星通讯系统所用的高增益、高功率微波放大器件，行波管的效率和线性是非常重要的。
It expounds the skill and two methods of the feed's reception of various polarization waves and the line polarization feed's reception of satellite sending line polarization wave.
阐述了圆极化馈源对各种极化波的接收和线极化馈源对卫星发射线极化波的接收两种方法、技巧。
If the satellite has an elliptical orbit, the result is a spiral wave, a miniature version of the pinwheel pattern of our galaxy.
如果卫星的轨道是椭圆的，就会产生螺旋波，就像是银河系纸风车形状的缩影。
Traveling Wave Tubes (TWTs) are widely used in modern military areas, such as satellite communications, radars, electron warfare and so on.
行波管在电子对抗、雷达和卫星通信等现代通信军事电子领域中得到了日趋广泛的使用。
As a core of satellite communications, Space Traveling-Wave Tubes (STWTs) must be high efficiency and well linear.
作为卫星通讯的核心部件，空间行波管要有很高的效率和良好的线性。
Due to satellite communication's long channel, far distance transmission and its wave through troposphere and ionosphere often brings the signal deamplification, noise and wrong code.
由于卫星通信信道长，传输距离远，电波要穿过对流层和电离层，易使信号衰减，引入噪声，造成误码。
In this paper, also the primary applications of EOF and SVD in analyzing satellite altimeter data of sea surface wind and wave is studied.
本文还就经验正交展开和奇异值分解方法在卫星高度计海面风、浪资料分析中的应用作了初步探时。
The service agent of each pager station adopts the satellite channel to solve the conflicting of pollution and covering of radio wave.
为解决无线电波污染和覆盖之间的矛盾，各寻呼台服务商纷纷采用卫星链路方式。
Calm, smooth waters reflect more light directly back to the satellite, resulting in a bright, pale stripe along the length of the internal wave.
平静光滑的水体直接反射了更多的光到卫星，沿着内波形成了亮白的带条。谷底汹涌的水体将光散射到各个方向，形成了一条暗线。
Satellite dynamics environment is a test that must be undergone by a wave-front corrector used for space optical system and random vibration environment is an important factor among them.
波前校正器应用于空间光学系统必然要经历卫星动力学环境，随机振动环境是其中一个很重要的影响因素。
The method of earthquake precursor and earthquake prediction were made a brief introduction using the data of outgoing long-wave radiation, received by the satellite.
简述应用卫星长波辐射资料研究地震前兆与地震预报的方法原理。
Rainfall has become one of the key factors which influence the transmission quality, because it has great attenuation to the electronic wave transmission of Ka band satellite communication system.
由于降雨对Ka波段卫星通信系统的电波传播的衰减较大，成为影响其传输质量的重要因素之一。
Rainfall has become one of the key factors which influence the transmission quality, because it has great attenuation to the electronic wave transmission of Ka band satellite communication system.
由于降雨对Ka波段卫星通信系统的电波传播的衰减较大，成为影响其传输质量的重要因素之一。
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