نتایج جستجو برای: spectral analysis

تعداد نتایج: 2939201  

Journal: :Monthly Notices of the Royal Astronomical Society 1996

Journal: :International Journal of Organizational Leadership 2013

Journal: :Teorijska i primenjena mehanika 2010

Journal: :Geophysical Journal International 1966

Journal: :Časopis pro pěstování matematiky 1975

Journal: :IACR Transactions on Symmetric Cryptology 2020

2007
R. Douglas Martin

Conventional spectrum estimates of both the smoothedperiodogram and autoregressive variety lack robustness toward outliers in the original data. Outliers and other local perturbations are modeled by non-Gaussian additive noise, which is zero most of the time. Correspondingly, the lack of robustness of the conventional estimates of the spectrum manifest not only inflated variances but also damag...

2017
Neil Gallagher Kyle R. Ulrich Austin Talbot Kafui Dzirasa Lawrence Carin David E. Carlson

In neuropsychiatric disorders such as schizophrenia or depression, there is often a disruption in the way that regions of the brain communicate with one another. To facilitate understanding of network-level communication between brain regions, we introduce a novel model of multisite low-frequency neural recordings, such as local field potentials (LFPs) and electroencephalograms (EEGs). The prop...

2008
Ann B. Lee Larry Wasserman

Spectral kernel methods are techniques for transforming data into a coordinate system that efficiently reveals the geometric structure— in particular, the “connectivity”—of the data. These methods depend on certain tuning parameters. We analyze the dependence of the method on these tuning parameters. We focus on one particular technique—diffusion maps—but our analysis can be used for other meth...

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