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2021 | OriginalPaper | Buchkapitel

A Fast and Efficient Method for Time Delay Estimation for the Wideband Signals in Non-gaussian Environment

verfasst von : Viacheslav Oliinyk, Vladimir Lukin, Igor Djurovic

Erschienen in: Integrated Computer Technologies in Mechanical Engineering - 2020

Verlag: Springer International Publishing

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Abstract

Time delay estimation (TDE) for signals arriving at interferometric or array antennas is an operation widely used for different applications. There are efficient solutions for fixed (not moving) sources of irradiated or reflected signals under the condition of high input signal-to-noise ratio (SNR), the appropriate interval of signal reception and Gaussian noise. However, efficiency and accuracy of estimation considerably reduce if noise is not Gaussian and SNR is low. Available solutions require pre-processing of received signals that often takes a lot of time and efforts. Here, we propose another solution for the interferometric case that can be treated as looking for the robust similarity of received signal/noise mixtures for a set of possible delays. It is shown that such processing is fast and efficient providing considerable improvement of TDE accuracy in the sense of sufficient reduction of probability of abnormal estimates for the non-Gaussian environment.

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Metadaten
Titel
A Fast and Efficient Method for Time Delay Estimation for the Wideband Signals in Non-gaussian Environment
verfasst von
Viacheslav Oliinyk
Vladimir Lukin
Igor Djurovic
Copyright-Jahr
2021
DOI
https://doi.org/10.1007/978-3-030-66717-7_3

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