25 August 2006 A novel signal detection technique based on generalized scale transforms
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Abstract
We are presenting an extension to the classic multiple signal classification method (MUSIC) developed by Schmidt and Bienvenu in 1979. While the classic MUSIC algorithm is limited to the detection of constant frequency sinusoids in white noise, the proposed new method is capable of detecting signals with a continuously varying instantaneous frequency. The method is based on the development of a discrete-time version of the generalized scale transform (GST) which was introduced by Nickel and Williams in 1999. As a byproduct we obtain techniques for discrete-time warp-shift invariant filtering which can be used in addition to the signal detection to separate signals with different instantaneous frequency contours.
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Robert M. Nickel, Robert M. Nickel, } "A novel signal detection technique based on generalized scale transforms", Proc. SPIE 6313, Advanced Signal Processing Algorithms, Architectures, and Implementations XVI, 63130Y (25 August 2006); doi: 10.1117/12.684028; https://doi.org/10.1117/12.684028
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