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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Passive emitter tracking
 Hrach, Jan ; Klusáček, David (advisor) ; Mareš, Martin (referee)
We have implemented a TDOA multilateration of transmitters on an unmodified rtl-sdr receiver using transmitters with known location as a timing reference. We present a brief theoretical background and describe the measurement process which includes several approaches that correct the timing and frequency errors between the receivers. Additionally, we have implemented an angle of arrival direction finder using coherent rtl-sdr.
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Frequency Spectrum Monitoring System
 Hrach, Jan ; Klusáček, David (advisor) ; Mareš, Martin (referee)
We have created several programs to be used in the field of Software Defined Radio technology: (i) A channelizer, a tool that splits wideband signal into multiple narrowband channels that can be further processed, (ii) A SDR client, an interactive GUI tool that allows exploration of signals, (iii) A scanner. Our channelizer is several times faster than a popular GnuRadio implementation and our SDR software features a network-transparent architecture with one server and multiple concurrent clients. Powered by TCPDF (www.tcpdf.org)
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