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Identification of Overlapping Echoes of Unknown Shape from Time-Encoding Machine Samples.

Citation Author(s):
Meghna Kalra, Yoram Bresler, Kiryung Lee
Submitted by:
Meghna Kalra
Last updated:
5 May 2022 - 6:18pm
Document Type:
Presentation Slides
Document Year:
2022
Event:
Presenters:
Meghna Kalra
Paper Code:
4704
 

We present an algorithm for the resolution of delayed and overlapping pulses of a common unknown shape from multi- channel measurements. We show that just a few Fourier sam- ples acquired by a Time Encoding Machine (TEM) suffice to solve this challenging problem. This acquisition scheme is desired for ultra-low power applications in wearables, such as EMG skin sensor tattoo. Numerical experiments demonstrate exact recovery of the time delays and Fourier series coeffi- cient of the pulse shape in the noiseless case as predicted by the theory, with acceptable error in the presence of noise.

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