Results 251 to 260 of about 33,434 (310)

The undulating tripod gait as a model of the locomotion of walking fish. [PDF]

open access: yesNat Commun
Ishida M   +6 more
europepmc   +1 more source

Data-driven, ML-assisted approaches to problem well-posedness. [PDF]

open access: yesPNAS Nexus
Bertalan T   +5 more
europepmc   +1 more source

Discrete-time, discrete-frequency, time-frequency analysis

IEEE Transactions on Signal Processing, 1998
Summary: A formulation of a discrete-time, discrete-frequency Wigner distribution for analysis of discrete-time, periodic signals is given using an approach involving group representation theory. This approach is motivated by a well-known connection between group theory and the continuous Wigner distribution.
Michael S. Richman   +2 more
openaire   +2 more sources

Discrete-time, discrete-frequency time-frequency representations

1995 International Conference on Acoustics, Speech, and Signal Processing, 2002
A discrete-time, discrete-frequency Wigner distribution is derived using a group-theoretic approach. It is based upon a study of the Heisenberg group generated by the integers mod N, which represents the group of discrete-time and discrete-frequency shifts. The resulting Wigner distribution satisfies several desired properties.
Michael S. Richman   +2 more
openaire   +1 more source

Discrete-time Chen Series for Time Discretization and Machine Learning

2019 53rd Annual Conference on Information Sciences and Systems (CISS), 2019
A formal power series over a set of noncommuting indeterminants using iterated integrals as the coefficients is called a Chen series, named after the mathematician K.-T. Chen. The first goal of this paper is to give a brief overview of Chen series and their algebraic structures as a kind of reference point.
W. Steven Gray   +2 more
openaire   +1 more source

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