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Ultrawideband radars: Features and capabilities

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Abstract

Features of ultrawideband (UWB) radars, which radiate signals whose spatial duration is substantially smaller than the antenna dimensions and/or the longitudinal dimension of the illuminated target, are analyzed. It is shown that, during the radar observation of the target, this signal changes its shape several times and enters the radar receiver as an unknown signal. In many cases, this circumstance prohibits application of the traditional theory for the design of UWB radars. Methods for calculating the characteristics of UWB radars on the basis of the energy approach are proposed. Examples of engineering and circuit designs of several UWB radars are presented. Possible lines of development of the technology and technique of such radars are considered.

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Original Russian Text © I.Ya. Immoreev, 2009, published in Radiotekhnika i Elektronika, 2009, Vol. 54, No. 1, pp. 5–31.

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Immoreev, I.Y. Ultrawideband radars: Features and capabilities. J. Commun. Technol. Electron. 54, 1–26 (2009). https://doi.org/10.1134/S106422690901001X

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