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Radar Signal Analysis and Design Using Frequency Modulation of Chaotic Signals

Radar Signal Analysis and Design Using Frequency Modulation of Chaotic Signals

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This chapter presented a theoretical analysis of CBFM signals as well as a sufficient condition for chaotic-based frequency modulated signals to be chaotic. The analysis has been based on Lyapunov exponents. The spectra of chaotic CBFM signals are flat, while the spectra of non-chaotic CBFM signals are non-flat. In radar applications, chaotic signals should not be treated simply as noise signals. This is because changing parameters responsible for producing chaotic signals affects the spectral characteristics of the FM modulated signals. In summary, the proper use of chaotic signals leads to less cost and higher range resolution than noise signals for the application of constant envelope signals in radar.

Inspec keywords: chaos; signal resolution; radar signal processing; Lyapunov methods; frequency modulation

Other keywords: chaotic CBFM signals; radar signal analysis; spectral characteristics; chaotic-based frequency modulated signals; Lyapunov exponents; nonchaotic CBFM signals spectra; radar applications; higher range signal resolution; changing parameters; FM modulated signals; radar constant envelope signals

Subjects: Modulation and coding methods; Signal processing and detection; Radar equipment, systems and applications

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