An IQ-Modulator Based Heterodyne 77-GHz FMCW Radar

Reinhard Feger, Christoph Wagner, Andreas Stelzer

Research output: Chapter in Book/Report/Conference proceedingConference proceedingspeer-review

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.
Original languageEnglish
Title of host publicationMicrowave Conference (GeMIC), 2011 German
Pages1 - 4
Number of pages4
Publication statusPublished - Mar 2011

Fields of science

  • 202019 High frequency engineering
  • 202037 Signal processing
  • 202033 Radar technology

JKU Focus areas

  • Mechatronics and Information Processing

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