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- Heining, Simon, et al.
(författare)
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An Ultra Broadband Multi-Tone Six-Port Radar for Distance Measurements in K-Band Waveguides
- 2020
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Ingår i: Proceedings of the 2020 IEEE Radio and Wireless Symposium (RWS). - : IEEE. - 9781728111209 ; , s. 279-282
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Konferensbidrag (refereegranskat)abstract
- Continuous wave (CW) radars show an excellent performance in high precision distance measurements. However, when it comes to absolute distances, the ambiguity of these systems is a notable issue. To extend the unambigous range beyond λ/2, dual tone systems have been presented using two spaced CW measurements. In this paper, a broadband multi-tone radar operating in the K-band using six-port technology is presented. By using more than two frequencies, the unambigous range can be further enlarged. The radar system presented in this paper is able to perform 5-FSK measurements within a bandwidth of 5.5GHz delivering an update rate of 25Hz and a precision of 37.96µm.
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