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Statements

Subject Item
n2:RIV%2F68407700%3A21230%2F09%3A00158055%21RIV10-MSM-21230___
rdf:type
skos:Concept n21:Vysledek
dcterms:description
This paper presents a sub-nanosecond pulse generator intended for a transmitter of through-the-wall radar. The basis of the generator is a step recovery diode, which is used to sharpen the slow rise time edge of an input driving waveform. A unique pulse shaping technique is then applied to form a Gaussian pulse. A simple transistor switching circuit was used to drive this pulser, which transforms a trigger signal to a driving pulse with the timing and amplitude parameters required by the step recovery diode. The maximum pulse repetition frequency of the generator is 20 MHz. High amplitude pulses are advantageous for obtaining a good radar range, especially when penetrating thick lossy walls. In order to increase the output power of the transmitter, the outputs of two identical generators were connected in parallel. The measurement results are presented, which show waveforms of the generated Gaussian pulses approximately 180 ps in width and over 32 V in amplitude. This paper presents a sub-nanosecond pulse generator intended for a transmitter of through-the-wall radar. The basis of the generator is a step recovery diode, which is used to sharpen the slow rise time edge of an input driving waveform. A unique pulse shaping technique is then applied to form a Gaussian pulse. A simple transistor switching circuit was used to drive this pulser, which transforms a trigger signal to a driving pulse with the timing and amplitude parameters required by the step recovery diode. The maximum pulse repetition frequency of the generator is 20 MHz. High amplitude pulses are advantageous for obtaining a good radar range, especially when penetrating thick lossy walls. In order to increase the output power of the transmitter, the outputs of two identical generators were connected in parallel. The measurement results are presented, which show waveforms of the generated Gaussian pulses approximately 180 ps in width and over 32 V in amplitude.
dcterms:title
Sub-nanosecond Pulse Generator for Through-the-Wall Radar Application Sub-nanosecond Pulse Generator for Through-the-Wall Radar Application
skos:prefLabel
Sub-nanosecond Pulse Generator for Through-the-Wall Radar Application Sub-nanosecond Pulse Generator for Through-the-Wall Radar Application
skos:notation
RIV/68407700:21230/09:00158055!RIV10-MSM-21230___
n3:aktivita
n14:V n14:P
n3:aktivity
P(GA102/09/0314), P(GD102/08/H018), V
n3:dodaniDat
n9:2010
n3:domaciTvurceVysledku
n7:1377914 n7:8374155
n3:druhVysledku
n10:D
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
344618
n3:idVysledku
RIV/68407700:21230/09:00158055
n3:jazykVysledku
n4:eng
n3:klicovaSlova
ultra-wideband systems; pulse generator; Gaussian pulse; through-the-wall radar; pulse combining
n3:klicoveSlovo
n11:Gaussian%20pulse n11:through-the-wall%20radar n11:ultra-wideband%20systems n11:pulse%20generator n11:pulse%20combining
n3:kontrolniKodProRIV
[AD49C3E38AF5]
n3:mistoKonaniAkce
Rome
n3:mistoVydani
London
n3:nazevZdroje
European Microwave Week 2009 - Conference Proceedings
n3:obor
n18:JA
n3:pocetDomacichTvurcuVysledku
2
n3:pocetTvurcuVysledku
3
n3:projekt
n12:GA102%2F09%2F0314 n12:GD102%2F08%2FH018
n3:rokUplatneniVysledku
n9:2009
n3:tvurceVysledku
Macháč, Jan Protiva, Pavel
n3:typAkce
n15:WRD
n3:zahajeniAkce
2009-09-28+02:00
s:numberOfPages
5
n19:hasPublisher
Horizon House Publications
n13:isbn
978-1-4244-4748-0
n20:organizacniJednotka
21230