Neural network model for efficient localization of a number of mutually arbitrary positioned stochastic EM sources in far-field

Author(s):  
Zoran Stankovic ◽  
Nebojsa Doncov ◽  
Ivan Milovanovic ◽  
Bratislav Milovanovic
2015 ◽  
Vol 2015 ◽  
pp. 1-11 ◽  
Author(s):  
Zoran Stanković ◽  
Nebojša Dončov ◽  
Bratislav Milovanović ◽  
Ivan Milovanović

An efficient neural network-based approach for tracking of variable number of moving electromagnetic (EM) sources in far-field is proposed in the paper. Electromagnetic sources considered here are of stochastic radiation nature, mutually uncorrelated, and at arbitrary angular distance. The neural network model is based on combination of probabilistic neural network (PNN) and the Multilayer Perceptron (MLP) networks and it performs real-time calculations in two stages, determining at first the number of moving sources present in an observed space sector in specific moments in time and then calculating their angular positions in azimuth plane. Once successfully trained, the neural network model is capable of performing an accurate and efficient direction of arrival (DoA) estimation within the training boundaries which is illustrated on the appropriate example.


2003 ◽  
Author(s):  
Christopher Silansky ◽  
Anthony Chemero

2003 ◽  
Author(s):  
Nestor Schmajuk ◽  
Roger Smith

Author(s):  
Seetharam .K ◽  
Sharana Basava Gowda ◽  
. Varadaraj

In Software engineering software metrics play wide and deeper scope. Many projects fail because of risks in software engineering development[1]t. Among various risk factors creeping is also one factor. The paper discusses approximate volume of creeping requirements that occur after the completion of the nominal requirements phase. This is using software size measured in function points at four different levels. The major risk factors are depending both directly and indirectly associated with software size of development. Hence It is possible to predict risk due to creeping cause using size.


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