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- W2377662688 abstract "A predictive frequency domain autoregressive model(AR)to predict the mine ultra-wideband multipath channel was conducted.Combining the deterministic ray reflection model with the frequency-domain AR statistical model,a method to establish an AR model for the coal mine ultra wide band(UWB) multipath channel was proposed.Firstly,based on actual tunnel physical environment,test conditions including tunnel size,measuring frequency range,the antenna size and gain,launching distance etc,we obtained the pole information of the channel through the ray reflection model.Then established the four AR sub-models by utilizing the four reflectors of the roof,floor,and the two sides of tunnel,parallel the four AR sub-models to gain the whole channel model.The channel prediction results of the whole pole established by the AR prediction model in frequency domain were obtained.The results show that we can get accurate poles information through the deterministic ray reflection model.And,the results are consistent with the measured waveform,verifying the correctness of the method." @default.
- W2377662688 created "2016-06-24" @default.
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- W2377662688 date "2011-01-01" @default.
- W2377662688 modified "2023-09-26" @default.
- W2377662688 title "The frequency domain AR modeling of the mine ultra-wideband multipath channel" @default.
- W2377662688 hasPublicationYear "2011" @default.
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