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PRINCIPLES OF CHAOTIC SIGNAL RADAR

Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, P. R. China

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XIAOHUA ZHU

Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, P. R. China

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WEN HU

Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, P. R. China

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, and

FEI JIANG

Department of Electronic Engineering, Nanjing University of Science and Technology, Nanjing, Jiangsu 210094, P. R. China

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https://doi.org/10.1142/S0218127407018038Cited by:99 (Source: Crossref)

Abstract

The noise-like chaotic signal can be generated with very simple nonlinear circuits, and has broad bandwidth and aperiodic properties. These characteristics have drawn considerable attention in the radar community. In the past, the chaotic signal or its modulated version serves as a transmitting signal, and the traditional correlation-type receiver is used for processing. In this sense, the chaotic signal acts as a radar waveform in the noise signal radar, and hence the performance advantages are not distinct. Here, we present a scheme for processing chaotic radar signals. We find a simple relation between the target parameters (range and velocity) and the system parameters of chaos-generating system. With this relation, the measurement of the target parameters is transformed into estimation of the system parameters from the radar return signals. Equipped with high resolution parameter estimation techniques, the proposed principles provide a way to develop high resolution noise signal radars.

Keywords:

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