IERI Procedia 1 ( 2012 ) 32 – 38

2212-6678 © 2012 Published by Elsevier B.V. Selection and peer review under responsibility of Information Engineering Research Institute doi: 10.1016/j.ieri.2012.06.007

© 2012 Published by Elsevier B.V. Selection and peer review under responsibility of Information Engineering Research Institute

33 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

••

•• ϕ ϕ ω ω ϕ

34 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

( ) ϕλϕ −=( )ϕλϕ +==

( ) ( )εϕωλϕωλϕ +−+−=

εωωεε +=ϕλϕω −=

ε

ϕϕϕϕϕ −

= λ ε ϕ ω ϕ

( ) ( )εϕωλλϕωλλϕ +−+−=

( )[ ] ( )[ ]εϕλωϕλ −+−−=λ

ω ≈ω ε≈

≈ ω ϕ λ ϕ

=

−=Φ −=Φ −=Φ

ε−=Φ ε−=Φ =Φ

=−=Φ =

ω

Φ φ φΦ Φ

Φ Φ Φ

35 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

−=

= =+++

Φ Φ

=

=Φ++

=

=+Φ−Φ+− ϕϕϕϕϕ

=

+=

ϕ ϕ ϕ=ϕ =ϕ

Φ Φ

−=

ϕ

36 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

−= −= −=

37 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

ϕ Δϕ

ϕϕ

ω ϕ ϕ

λ λ Δϕ Δϕ Δϕ

ϕ ϕ ϕ

ϕ ϕ ϕ ω εε

Φ Φ Φ Φ

ϕϕ

( ) ϕ ϕ

ϕ

ϕ ϕ Δϕ

38 E. K. Gbadam and S. K. Adzimah / IERI Procedia 1 ( 2012 ) 32 – 38

ϕ ϕ