Design of a Low-Cost Ultra-Wide-Band Radar Platform

This paper proposes an improved design of a pulse-based radar. An improved design of a pulse generator is presented using step recovery diodes and a signal mixer for the received signal. Two-step recovery diodes produce pulses of 120 ps in duration. A pulse generator is improved by removing the nega...

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Main Authors: Marko Malajner, Danijel Šipoš, Dušan Gleich
Format: Article
Language:English
Published: MDPI AG 2020-05-01
Series:Sensors
Subjects:
Online Access:https://www.mdpi.com/1424-8220/20/10/2867
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author Marko Malajner
Danijel Šipoš
Dušan Gleich
author_facet Marko Malajner
Danijel Šipoš
Dušan Gleich
author_sort Marko Malajner
collection DOAJ
description This paper proposes an improved design of a pulse-based radar. An improved design of a pulse generator is presented using step recovery diodes and a signal mixer for the received signal. Two-step recovery diodes produce pulses of 120 ps in duration. A pulse generator is improved by removing the negative power supply, resulting in a reduced number of electronic pulses. A sampling mixer at the receiver’s site receives the generated signal and stretches it from picoseconds into microseconds. The improved pulse generator is also used in the sampling mixer as a strobe pulse generator, which makes the sampling mixer much simpler. The stretched signal is then sampled by a low sample rate using an analog to digital converter. The proposed radar design achieves up to 8 GHz bandwidth and an equivalent receiving sample rate of about 100 GSa/s. The radar is controlled using a software-defined radio called Red Pitaya, which is also used for data acquisition. The proposed radar design uses widely available commercial components, which makes radar design widely available with low cost implementation.
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spelling doaj.art-026543cdb2da48a79b26865458360c332023-11-20T00:52:20ZengMDPI AGSensors1424-82202020-05-012010286710.3390/s20102867Design of a Low-Cost Ultra-Wide-Band Radar PlatformMarko Malajner0Danijel Šipoš1Dušan Gleich2Faculty of Electrical Engineering and Computer Science, University of Maribor, Koroška Cesta 46, 2000 Maribor, SloveniaFaculty of Electrical Engineering and Computer Science, University of Maribor, Koroška Cesta 46, 2000 Maribor, SloveniaFaculty of Electrical Engineering and Computer Science, University of Maribor, Koroška Cesta 46, 2000 Maribor, SloveniaThis paper proposes an improved design of a pulse-based radar. An improved design of a pulse generator is presented using step recovery diodes and a signal mixer for the received signal. Two-step recovery diodes produce pulses of 120 ps in duration. A pulse generator is improved by removing the negative power supply, resulting in a reduced number of electronic pulses. A sampling mixer at the receiver’s site receives the generated signal and stretches it from picoseconds into microseconds. The improved pulse generator is also used in the sampling mixer as a strobe pulse generator, which makes the sampling mixer much simpler. The stretched signal is then sampled by a low sample rate using an analog to digital converter. The proposed radar design achieves up to 8 GHz bandwidth and an equivalent receiving sample rate of about 100 GSa/s. The radar is controlled using a software-defined radio called Red Pitaya, which is also used for data acquisition. The proposed radar design uses widely available commercial components, which makes radar design widely available with low cost implementation.https://www.mdpi.com/1424-8220/20/10/2867ultra-wide-bandpulse radarground penetrating radarsampling mixerpulse generator
spellingShingle Marko Malajner
Danijel Šipoš
Dušan Gleich
Design of a Low-Cost Ultra-Wide-Band Radar Platform
Sensors
ultra-wide-band
pulse radar
ground penetrating radar
sampling mixer
pulse generator
title Design of a Low-Cost Ultra-Wide-Band Radar Platform
title_full Design of a Low-Cost Ultra-Wide-Band Radar Platform
title_fullStr Design of a Low-Cost Ultra-Wide-Band Radar Platform
title_full_unstemmed Design of a Low-Cost Ultra-Wide-Band Radar Platform
title_short Design of a Low-Cost Ultra-Wide-Band Radar Platform
title_sort design of a low cost ultra wide band radar platform
topic ultra-wide-band
pulse radar
ground penetrating radar
sampling mixer
pulse generator
url https://www.mdpi.com/1424-8220/20/10/2867
work_keys_str_mv AT markomalajner designofalowcostultrawidebandradarplatform
AT danijelsipos designofalowcostultrawidebandradarplatform
AT dusangleich designofalowcostultrawidebandradarplatform