Questions tagged [signal-processing]

Signal Processing covers the theory, algorithms, performance analyses and applications of techniques for the processing, understanding, learning, retrieval, mining, and extraction of information from signals (1, 2)

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Phase Shift in Grid Cells

I would like to fully understand the phase shift in the grid cell in MEC. From my understanding, since there is a hexagonal (i.e. equilateral triangle) lattice, and hence there are 3 $\phi$'s, I have ...
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Pearson correlation of neural responses with it's linear estimation

I am trying to anderstand the following fact from this article (page 13): How can single neurons predict behavior Suppose I have a linear estimation of a stimulus: $ \hat{s} = \mathbf{w}^T(\mathbf{r} ...
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Long-Term EMG studies

I am having trouble differentiating onset/offset of muscle activation. Is there anyone in the field has a specific way to set the threshold for both time and magnitude?
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How to define Bigeminy

Firstly, do cardiologists actually count how many bigeminy when they diagnose? Secondly, since bigeminy only exists when there are recurring pattern, do cardiologists count two or three bigeminy in ...
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What does ubiquitination between 2 genes mean?

I have come across the Hedgehog signaling pathway. In this pathway, the genes Cul3 and ptc have an interaction of ubiquitination (The information is available from the KGML file). What does this ...