It especially studies and deduces the diagnostic formulates and method when one of four horizon channels of the main and backup platform system exists slow shift.
特别是研究并推导了主、备平台系统四个水平通道之一出现慢漂移时的诊断公式及方法。
The channel of LEO satellite is different from wireless channels on the ground. Low SNR and large Doppler shift are the two characteristic of LEO satellite channel.
低轨卫星的信道与地面无线信道具有不同的特点,低信噪比与大多普勒频移是低轨卫星信道的两个显著特征。
The maximum Doppler shift in some typical non-GEO satellite channels are figured out.
计算出了几种典型非静止轨道卫星信道的最大多普勒频移。
Time-selective Rayleigh fading of channels is caused by Doppler shift and carrier frequency offset.
接收端的高速运动或者载频的偏移,会引起信道的时间选择性衰落。
In this paper, with Rayleigh fading the random characteristics of multipath time delay and Doppler shift in HF ionospheric channels is discussed.
本文在瑞利衰落模型下,研究了高频电离层信道中多径时延与多普勒频移的随机特性。
Using eight-port junction technique, the power of each port can be measured, and the phase shift of two channels of microwave is obtained easily through calculation.
应用八端口网络技术能对各端口进行微波功率测量,通过计算方便地得到两路微波相位差。
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
驻极体传声器目前主要是民用,单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
The normal zero-IF topology with the single quadrature channels is very sensitive to the phase-error of the phase-shift network of LO.
驻极体传声器目前主要是民用,单指向性驻极体传声器设计与生产的关键在于内部相移网络的控制。
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