Microwave delay lines for analogue signal correlation

Zenon Szczepaniak; Waldemar Susek

doi:10.1117/12.2565097

11 February 2020 Microwave delay lines for analogue signal correlation

Zenon Szczepaniak, Waldemar Susek

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Proceedings Volume 11442, Radioelectronic Systems Conference 2019; 114421J (2020) https://doi.org/10.1117/12.2565097
Event: Radioelectronic Systems Conference 2019, 2019, Jachranka, Poland

Abstract

Noise radars use random or pseudo-random signals to illuminate a target and coherent detection techniques in order to process received noise signals. In the range of microwave frequencies the simple analogue systems of the correlative detector may be used. It helps to overcome the fact that the real digital implementation of the autocorrelation function for these frequencies is very difficult. A correlator receiver is a typical element of the noise radar. The important issue is that coherent reception needs delay lines of constant or variable parameters to be applied in the receiving systems. To address this issue the paper comprises comparison of available technologies of microwave analogue delay lines. The advantages and disadvantages of presented solutions are presented. The paper comprises: the types of basic delay unit technologies, tunable and controlled-delay lines.

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Zenon Szczepaniak and Waldemar Susek "Microwave delay lines for analogue signal correlation", Proc. SPIE 11442, Radioelectronic Systems Conference 2019, 114421J (11 February 2020); https://doi.org/10.1117/12.2565097

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KEYWORDS

Radar

Signal detection

Microwave remote sensing

Time delay generators

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