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TSP
2008
115views more  TSP 2008»
14 years 10 months ago
The Shiftable Complex Directional Pyramid - Part I: Theoretical Aspects
Abstract--This paper presents an over-complete multiscale decomposition by combining the Laplacian pyramid and the complex directional filter bank (DFB). The filter bank is constru...
Truong T. Nguyen, Soontorn Oraintara
TSP
2008
67views more  TSP 2008»
14 years 10 months ago
Kinematics of Complex-Valued Time Series
The contribution to a stationary complex-valued time series at a single frequency magnitude takes the form of a random ellipse, and its properties such as aspect ratio (which inclu...
Patrick Rubin-Delanchy, Andrew T. Walden
TWC
2008
113views more  TWC 2008»
14 years 10 months ago
OFDM Carrier Synchronization Based on Time-Domain Channel Estimates
Carrier frequency synchronization is critical to the quality of signal reception in OFDM systems. This paper presents an approximate maximum-likelihood (ML) carrier frequency offse...
Hao Zhou, Amaresh V. Malipatil, Yih-Fang Huang
BC
2002
91views more  BC 2002»
14 years 10 months ago
Mathematical formulations of Hebbian learning
Several formulations of correlation-based Hebbian learning are reviewed. On the presynaptic side, activity is described either by a firing rate or by presynaptic spike arrival. The...
Wulfram Gerstner, Werner M. Kistler
CMPB
2000
69views more  CMPB 2000»
14 years 10 months ago
Microcomputer program for automated action potential waveform analysis
A program for action potential waveform analysis based on a PC compatible computer is described. Single or averaged action potentials are analyzed by obtaining its first derivativ...
Enrique Soto, Emilio Salceda, Ricardo Cruz, Aida O...