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A NEW ARCHITECTURE OF UWB RADAR UTILIZING MICROWAVE CHAOTIC SIGNALS AND CHAOS SYNCHRONIZATION
Author(s) -
Shan Qiao,
Zhiguo Shi,
Tao Jiang,
Lixin Ran
Publication year - 2007
Publication title -
electromagnetic waves
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.437
H-Index - 89
eISSN - 1559-8985
pISSN - 1070-4698
DOI - 10.2528/pier07052403
Subject(s) - chaotic , radar , microwave , chaos (operating system) , synchronization (alternating current) , computer science , electronic engineering , engineering , telecommunications , artificial intelligence , channel (broadcasting) , computer security
—In this paper, we present a new scheme for the realization of a wide-band chaotic RADAR system. The remarkable characteristics of such scheme are: (1) Wide-band chaotic signal generated from microwave chaotic Colpitts oscillator is directly used as the RADAR signal; (2) Chaos synchronization is used to recover the chaotic signal from the back-scattered signal by targets; (3) The intrinsic sensitivities of the chaotic signal to the parameters of the chaotic circuit and to the initial conditions are used to realize the “multi-user” property. System simulations show that such RADAR can still work in an environment when the signal-to-noise ratio (SNR) is lower than −20dB. Also with Zhejiang University City College, Hangzhou, 310025, China. 226,Qiao et al.

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