Detection of target distance in the presence of an interfering reflection using a frequency-stepped double side-band suppressed carrier microwave radar system

Detection of target distance in the presence of an interfering reflection using a frequency-stepped double side-band suppressed carrier microwave radar system

A technique for detecting the distance to a highly reflective target in the presence of an interfering reflection using a frequency-stepped double side-band suppressed carrier (DSBSC) microwave-millimeter-wave radar system is analytically derived. The main result of the analysis shows that the measu...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 1991-01, Vol.39 (5), p.808-818
Hauptverfasser: Ybarra, G A, Ardalan, S H, Hearn, C P, Marshall, R E, Neece, R T
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creator Ybarra, G A
Ardalan, S H
Hearn, C P
Marshall, R E
Neece, R T
description A technique for detecting the distance to a highly reflective target in the presence of an interfering reflection using a frequency-stepped double side-band suppressed carrier (DSBSC) microwave-millimeter-wave radar system is analytically derived. The main result of the analysis shows that the measured group delays produced by the DSBSC system possess a periodicity inversely proportional to the difference between the time delays to the target and interfere, independent of the signal-to-interference ratio (SIR). A high-resolution spectral estimation technique based on an autoregressive time series analysis is applied to the measured group delays, and it is shown that accurate target distance estimates may be obtained, independent of SIR.
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title Detection of target distance in the presence of an interfering reflection using a frequency-stepped double side-band suppressed carrier microwave radar system
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