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- W2472831966 abstract "We discuss the modeling of propagation of a quasi-monochromatic radio signal, represented by a coherent pulse sequence, in a non-stationary multipath radio channel. In such a channel, signal propagation results in the observed frequency shift for each ray (Doppler effect). The modeling is based on the assumption that during propagation of a single pulse a channel can be considered stationary. A phase change in the channel transfer function is shown to cause the observed frequency shift in the received signal. Thus, instead of measuring the Doppler frequency shift, we can measure the rate of change in the mean phase of one pulse relative to another. The modeling is carried out within the framework of the method of normal waves. The method enables us to model the dynamics of the electromagnetic field at a given point with the required accuracy. The modeling reveals that a local change in ionospheric conditions more severely affects the rays whose reflection region is in the area where the changes occur." @default.
- W2472831966 created "2016-07-22" @default.
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- W2472831966 date "2016-06-17" @default.
- W2472831966 modified "2023-09-26" @default.
- W2472831966 title "Modeling of Doppler frequency shift in multipath radiochannels" @default.
- W2472831966 cites W2021323074 @default.
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- W2472831966 doi "https://doi.org/10.12737/16505" @default.
- W2472831966 hasPublicationYear "2016" @default.
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