Soner Bekleric Title of Thesis: Nonlinear Prediction via Volterra Ser
Soner Bekleric Title of Thesis: Nonlinear Prediction via Volterra Ser
Soner Bekleric Title of Thesis: Nonlinear Prediction via Volterra Ser
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List <strong>of</strong> symbols<br />
Symbol Name or description<br />
(·) ∗ Complex conjugate<br />
(·) b n<br />
(·) f n<br />
Backward prediction at time index n<br />
Forward prediction at time index n<br />
(·) T Matrix transpose<br />
(ˆ·) Hat denotes prediction<br />
A Filter matrix (either linear or nonlinear)<br />
ai<br />
bij<br />
c2<br />
clms<br />
Cn<br />
Linear prediction filter coefficient at time index i<br />
Quadratic prediction filter coefficient at time index jk<br />
Second order cumulant (autocorrelation)<br />
Cubic prediction filter coefficient at time index lms<br />
n th − order spectrum<br />
d Data vector<br />
E[·] Expectation operator<br />
εn<br />
Error or innovation process <strong>of</strong> time index n<br />
e Noise vector<br />
f Temporal frequency in Herts (Hz)<br />
H1(·) Linear transfer function <strong>of</strong> <strong>Volterra</strong> series<br />
H2(·, ·) Quadratic transfer function <strong>of</strong> <strong>Volterra</strong> series<br />
H3(·, ·, ·) Cubic transfer function <strong>of</strong> <strong>Volterra</strong> series<br />
h Offset (distance between source and receiver)<br />
hk(σ1, . . . , σk) <strong>Volterra</strong> kernels <strong>of</strong> the system<br />
I Identity matrix<br />
Im Imaginary part <strong>of</strong> a complex variable<br />
J Cost function<br />
kp<br />
<strong>Prediction</strong> coefficient<br />
m Model vector<br />
µ Trade-<strong>of</strong>f parameter<br />
N Number <strong>of</strong> data samples