scholarly journals When is spatial filtering enough? Investigation of brightness and lightness perception in stimuli containing a visible illumination component

2012 ◽  
Vol 60 ◽  
pp. 40-50 ◽  
Author(s):  
Barbara Blakeslee ◽  
Mark E. McCourt
2015 ◽  
Vol 15 (14) ◽  
pp. 1 ◽  
Author(s):  
Torsten Betz ◽  
Robert Shapley ◽  
Felix A. Wichmann ◽  
Marianne Maertens

2012 ◽  
Vol 3 (4) ◽  
pp. 153-156
Author(s):  
A.Rajamani A.Rajamani ◽  
◽  
Dr.V.Krishnaveni Dr.V.Krishnaveni

2016 ◽  
Vol 2016 (20) ◽  
pp. 1-5
Author(s):  
YungKyung Park ◽  
Hyosun Kim ◽  
Young-jun Seo ◽  
YoonJung Kim
Keyword(s):  

Author(s):  
M. E. Shevchenko ◽  
A. V. Gorovoy ◽  
S. N. Solovyov

The paper considers the spatial filtering methods of signals with spectrum overlapping under conditions of a priori uncertainty of the directions of arrival from radio sources. The estimates of the directions of signals arrival obtained by ESPRIT or MUSIC are used in order to build a spatial filter. It is shown that when using ESPRIT, unlike MUSIC, an additional calculations of filter coefficients based on estimates of the directions of signals arrival are not required, and the quadrature components of the signals are formed simultaneously with estimates of the direction of their arrival. The probability of error performances of minimum shift keying signals which were divided by spatial filtering on the basis of ESPRIT and MUSIC using seven-element circular and angular antenna arrays are given.


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