Ultrawideband Noise Radar Imaging of Impenetrable Cylindrical Objects Using Diffraction Tomography

<div>(a) The first band-limited UWB WGN transmitted waveform generated with 500 amplitude samples (<svg height="9.89089pt" id="M100" style="vertical-align:-0.2129898pt" version="1.1" viewbox="-0.0498162 -9.6779 38.8929 9.89089" width="38.8929pt" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"><g transform="matrix(.0135,0,0,-0.0135,0,0)"><path d="M238 681C243 705 239 712 230 712C217 712 156 682 75 674L70 648H105C148 648 153 641 144 598L39 110C18 11 35 -12 55 -12C90 -12 166 36 221 103L205 125C174 93 130 65 118 65C112 65 108 68 114 96L238 681Z" id="g113-109"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="269" vert-adv-y="269"></glyph.data></g><g transform="matrix(.0135,0,0,-0.0135,7.431,0)"><path d="M535 323V373H52V323H535ZM535 138V188H52V138H535Z" id="g117-34"></path><glyph.data ascent="3473" descent="-2876" horiz-adv-x="587" vert-adv-y="587"></glyph.data></g><g transform="matrix(.0135,0,0,-0.0135,19.168,0)"><path d="M153 550H386L412 615L406 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Pulse duration is 2.4 ns. (b) The frequency spectrum of the time domain WGN waveform shown in Figure <a href="../fig4/#a">4(a)</a>. The frequency ranges are shown from DC to 12 GHz only [<a href="/journals/ijmst/2014/601659/#B30">8</a>].</div>

International Journal of Microwave Science and Technology

fig4

Figure 4

Figure 4: Ultrawideband Noise Radar Imaging of Impenetrable Cylindrical Objects Using Diffraction Tomography 