the
range nder
in
scal ed
max
min
x
r
cos
init
scal ed
y
r
sin
init
scal ed
x
x
x
pr
e
init
data
xdata
y
y
y
pr
e
init
data
y
data
The
ra
w
angle
is
rst
mapp
ed
to
the
range
of
to
b
y
the
rst
equation
where
the
di erence
b
et
w
een
the
maxim
um
and
minim
um
v
alues
of
the
b
y
data
set
are
used
to
scale
the
angles
A
ra
w
v
alue
for
x
and
y
can
then
b
e
computed
Eqs
and
using
the
ra
w
r
v
alue
pro
duced
b
y
the
range nder
The
x
and
y
in
v
alues
are
then
con
v
erted
to
zero
mean
unit
v
ariance
in
Eqs
and
The
data
is
no
w
ready
for
the
CWM
engine
to
nd
the
co
e cien
ts
of
the
p
olynomial
F
or
consistency
similar
op
erations
are
p
erformed
on
the
exp
ected
screen
p
osition
co
ordinates
The
follo
wing
equations
are
expanded
forms
of
the
generic
p
olynomial
equation
for
a
dimensional
fth order
t
x
A
x
B
x
C
x
D
x
E
x
F
post
x
x
x
x
x
pr
e
x
pr
e
pr
e
pr
e
pr
e
G
x
y
H
x
y
I
x
y
J
x
y
K
y
x
pr
e
x
pr
e
x
pr
e
x
pr
e
pr
e
x
pr
e
pr
e
pr
e
pr
e
L
x
y
M
x
y
N
x
y
O
y
x
x
x
pr
e
x
pr
e
pr
e
pr
e
pr
e
pr
e
pr
e
P
x
y
Q
x
y
R
y
x
x
pr
e
x
pr
e
pr
e
pr
e
pr
e
T
x
y
U
y
x
pr
e
x
pr
e
pr
e
V
y
x
pr
e