An IQ-Modulator Based Heterodyne 77-GHz FMCW Radar

Reinhard Feger; Christoph Wagner; Andreas Stelzer

An IQ-Modulator Based Heterodyne 77-GHz FMCW Radar

Reinhard Feger
, Christoph Wagner
, Andreas Stelzer

Abteilung für Hochfrequenzsysteme

Publikation: Beitrag in Buch/Bericht/Konferenzband › Konferenzbeitrag › Begutachtung

Abstract

In this paper a method to realize a heterodyne frequency-modulated continuous-wave (FMCW) radar is presented. The system operates at a frequency of 77 GHz and is based on an in-phase quadrature-phase (IQ) modulator in the transmit (TX)-path of the system. This IQ modulator is used as a single-sideband mixer, which allows the realization of an offset frequency between the radar's TX and receive signal. In this way it is possible to shift the frequency band containing the target information away from dc, which simplifies FMCW range measurement of targets close to the radar.

Originalsprache	Englisch
Titel	Microwave Conference (GeMIC), 2011 German
Seiten	1 - 4
Seitenumfang	4
Publikationsstatus	Veröffentlicht - März 2011

Wissenschaftszweige

202019 Hochfrequenztechnik
202037 Signalverarbeitung
202033 Radartechnik

JKU-Schwerpunkte

Mechatronics and Information Processing

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abstract = "In this paper a method to realize a heterodyne frequency-modulated continuous-wave (FMCW) radar is presented. The system operates at a frequency of 77 GHz and is based on an in-phase quadrature-phase (IQ) modulator in the transmit (TX)-path of the system. This IQ modulator is used as a single-sideband mixer, which allows the realization of an offset frequency between the radar's TX and receive signal. In this way it is possible to shift the frequency band containing the target information away from dc, which simplifies FMCW range measurement of targets close to the radar.",

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