Short-time Fourier Transform with Adaptive Windowing Size for THz-TDS

Song, J. and Engelbrecht, S. and Fischer, B.M. and Lin, H. (2019) Short-time Fourier Transform with Adaptive Windowing Size for THz-TDS. In: 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE. ISBN 9781538682869

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An adaptive windowing short-time Fourier transform algorithm is proposed where the width of short-time window is adaptively adjusted based on the frequencies of interest. The algorithm is then applied to lactose measurements acquired using THz-TDS and compared against the standard fixed window STFT spectrogram where improved contrast can be observed.

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22 Nov 2019 10:20
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15 Sep 2023 02:04