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Simulation and experimentation of co...

Li, Jilu.

Simulation and experimentation of complementary-coded pulse radar for ice measurement.

紀錄類型:	書目-電子資源 : 單行本
正題名/作者:	Simulation and experimentation of complementary-coded pulse radar for ice measurement./
作者:	Li, Jilu.
面頁冊數:	75 p.
附註:	Source: Masters Abstracts International, Volume: 44-04, page: 1931.
Contained By:	Masters Abstracts International44-04.
標題:	Engineering, Electronics and Electrical. -
電子資源:	Download PDF (下載PDF全文)
ISBN:	9780542537493

Simulation and experimentation of complementary-coded pulse radar for ice measurement.
Li, Jilu.

Simulation and experimentation of complementary-coded pulse radar for ice measurement. - 75 p.

Source: Masters Abstracts International, Volume: 44-04, page: 1931.

Thesis (M.S.)--University of Kansas, 2006.

In this thesis, computer simulations and experimentation in the laboratory have been performed to study the sidelobe cancellation of complementary-coded pulse radar for the purpose of building a prototype. A simulation model was first built that includes waveform generator, modulators, targets, demodulators, waveform compressors, and envelope detector. With the simulation model, sidelobe cancellation was verified for ideal case. In addition, the effects of phase shift and amplitude imbalances on sidelobe level were evaluated. It was found that the magnitude of the maximum sidelobe peak increases linearly as phase shift increases. Doppler phase shift is not a concern for complementary-coded radar to be carried on an airplane for ice measurement. The peak sidelobe level (PSL) was found to increase nonlinearly as amplitude imbalances increase. Experiments were then performed in the laboratory to understand the effects of hardware imperfections on sidelobe cancellation. The waveform amplitude imbalances caused by the waveform generator, modulator, and demodulator were found to be the main obstacle to sidelobe cancellation. Simulations that included the averaged amplitude imbalance of the measurements were used to verify the experimental results. Finally a prototype of complementary-coded pulse radar was proposed for future work. (Abstract shortened by UMI.)

ISBN: 9780542537493Subjects--Topical Terms:

170927
Engineering, Electronics and Electrical.

Simulation and experimentation of complementary-coded pulse radar for ice measurement.
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520 $a In this thesis, computer simulations and experimentation in the laboratory have been performed to study the sidelobe cancellation of complementary-coded pulse radar for the purpose of building a prototype. A simulation model was first built that includes waveform generator, modulators, targets, demodulators, waveform compressors, and envelope detector. With the simulation model, sidelobe cancellation was verified for ideal case. In addition, the effects of phase shift and amplitude imbalances on sidelobe level were evaluated. It was found that the magnitude of the maximum sidelobe peak increases linearly as phase shift increases. Doppler phase shift is not a concern for complementary-coded radar to be carried on an airplane for ice measurement. The peak sidelobe level (PSL) was found to increase nonlinearly as amplitude imbalances increase. Experiments were then performed in the laboratory to understand the effects of hardware imperfections on sidelobe cancellation. The waveform amplitude imbalances caused by the waveform generator, modulator, and demodulator were found to be the main obstacle to sidelobe cancellation. Simulations that included the averaged amplitude imbalance of the measurements were used to verify the experimental results. Finally a prototype of complementary-coded pulse radar was proposed for future work. (Abstract shortened by UMI.)
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