Investigation of the roles of filters for a harmonic FMCW radar

Zhengyu Peng, Dimitra Psychogiou, Changzhi Li

Research output: Chapter in Book/Report/Conference proceedingConference contribution

4 Scopus citations

Abstract

In this paper, the importance of RF bandpass filters in a harmonic FMCW radar system is investigated. The harmonic radar system is designed using the National Instruments (NI) AWR Design Environment, and simulation is performed with the Visual System Simulator (VSS). The roles of band-pass filters are analyzed. System level simulation indicates that to detect the weak harmonic signal from a non-linear target, a band-pass filter on the transmitter path is necessary to block the harmonics of the carrier signal, a band-pass filter on the local oscillator path is important to block the fundamental frequency leakage, and another band-pass filter before the LNA on the receiver chain is indispensable to reject the fundamental frequency captured by the receive antenna. Moreover, the group delays of the filters need to be properly controlled for reliable range detection.

Original languageEnglish
Title of host publication2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017
PublisherInstitute of Electrical and Electronics Engineers Inc.
ISBN (Electronic)9780996007856
StatePublished - Sep 26 2017
Event2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017 - Suzhou, China
Duration: Aug 1 2017Aug 4 2017

Publication series

Name2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017

Conference

Conference2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017
CountryChina
CitySuzhou
Period08/1/1708/4/17

Keywords

  • FMCW
  • Harmonic radar
  • filter
  • non-linear

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    Peng, Z., Psychogiou, D., & Li, C. (2017). Investigation of the roles of filters for a harmonic FMCW radar. In 2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017 [8051807] (2017 International Applied Computational Electromagnetics Society Symposium in China, ACES-China 2017). Institute of Electrical and Electronics Engineers Inc..