Vodafone SS 08 - Manual (Page 11)

TU Dresden, 4/29/2008 Slide 11
chair
What are the typical DSP algorithms?
ƒ The Sum of Products (SOP) is the key element in
most DSP algorithms:
0
( ) ( )
M
k
k
y n a x n k
=
= −
∑
∑ ∑
= =
− + − =
N
k
k
M
k
k
k n y b k n x a n y
1 0
) ( ) ( ) (
∑
=
− =
N
k
k n h k x n y
0
) ( ) ( ) (
∑
−
=
− =
1
0
] ) / 2 ( exp[ ) ( ) (
N
n
nk N j n x k X
π
( ) ( ) ∑
−
=
⎥⎦
⎤
⎢⎣
⎡
+ =
1
0
1 2
2
cos ). ( ). (
N
x
x u
N
x f u c u F
π
Discrete Cosine Transform
Discrete Fourier Transform
Convolution
Infinite Impulse Response Filter
Finite Impulse Response Filter
Equation Algorithm