Parameter Estimation for FM Signals in Two Stage: Non Uniform Fast Fourier Transform (NUFFT) and Short-Time -Frequency Transform (STFT)

Publish Year: 1394
نوع سند: مقاله کنفرانسی
زبان: English
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CRSTCONF02_052

تاریخ نمایه سازی: 21 شهریور 1395

Abstract:

This study deals with estimating the parameters of the received signal of the poly phase in three orders. The process of estimation occurs in two stages: in the first stage, the high orders of the signal were estimated highly accurately using the Non Uniform FFT. The received signal passes through the componential match filter which has been estimated highly accurately. As it passes through this filter, the order of the ploy phase decreases. In the second stage, the components of the low order of the ploy phase signal are estimated highly accurately using the Short Time Frequency Transform (STFT) method. Finally, the findings of the stimulation in these two stages indicated the efficiency of the presented algorithm for the received signal parameters including the initial frequency, the chirp rate, and the change chirp rate

Authors

Kazem Heydari

Department of Electrical Engineering Tarbiat Modares University, Tehran

Paeiz Azmi

Faculty of Electrical Engineering Tarbiat Modares University

Bijan Abbasi

Faculty of Electrical Engineering Tarbiat Modares University

Akbar Heydari

Department of Electrical Engineering Shahid Beheshti University, Tehran

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