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The comparison of LFM and NLFM signals using higher ordered statistics | IET Conference Publication | IEEE Xplore

The comparison of LFM and NLFM signals using higher ordered statistics

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Abstract:

The linear frequency modulated (LFM) signal is broadly frayed in practical radar systems. A weighting function is required for LFM to curtail the side lobes, which consid...Show More

Abstract:

The linear frequency modulated (LFM) signal is broadly frayed in practical radar systems. A weighting function is required for LFM to curtail the side lobes, which considerably decreases the SNR. In a pursuit to attain low autocorrelation sidelobes without applying weighting function, a different kind of radar waveform is needed that exhibits high SNR and high range resolution. In this paper, a non-linear frequency modulated (NLFM) waveform is investigated. Different parameters for the NLFM and LFM are compared with the help of computer simulations. The comparative study is performed. Furthermore, bispectrum is also analyzed and used for studying various performance parameters of both NLFM and LFM waveforms.
Date of Conference: 27-30 September 2022
Date Added to IEEE Xplore: 25 January 2023
Electronic ISBN:978-1-83953-786-8
Conference Location: Hybrid Conference, Yerevan, Armenia