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Volume 2 Issue 1, January 2022

Time–frequency analysis of signals

Analyzing and processing signals, such as sound, images, and scientific measurements, is important for allowing the interpretation of the information they carry. Time–frequency analysis is a common technique for studying signals, but a high-resolution analysis often comes with high computational costs. In this issue, Arts and van den Broek present an open-source framework that enables real-time, accurate, and noise-resilient time–frequency analysis of signals, demonstrating its applicability on real-world applications, such as on brain signals obtained from electroencephalography.

See Arts and van den Broek

Image: Jobalou / DigitalVision Vectors / Getty Images. Cover Design: Alex Wing.

Editorial

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News & Views

  • An adaptive and computationally efficient machine-learning-based biasing technique for rare-event sampling is introduced, allowing an effective generation of high-dimensional free energy surfaces associated with complex processes, such as protein folding.

    • Mark E. Tuckerman
    News & Views
  • Integrating multi-modal features is challenging due to the differences in the underlying distributions of each data type and the nonlinear associations across modalities. The deepManReg model improves the identification and interpretability of associations between modalities defining complex phenotypes.

    • Daniel Osorio
    News & Views
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Reviews

  • There is still a wide variety of challenges that restrict the rapid growth of neuromorphic algorithmic and application development. Addressing these challenges is essential for the research community to be able to effectively use neuromorphic computers in the future.

    • Catherine D. Schuman
    • Shruti R. Kulkarni
    • Bill Kay
    Perspective
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