7 2 0 0 OPERA TIO N
5 - 1 5
For examp
l
e,
i
f the user enters
I
mm
e
d
i
a
t
e
t
r
ack
i
ng..., Ed
i
t
I
mm
e
d
i
a
t
e
T
a
r
g
e
t
P
a
r
a
m
e
t
e
r
s
and then se
l
ects
Mov
e
to
l
oo
k
a
ng
l
e
s...,
the current pos
i
t
i
on
i
s cop
i
ed
i
nto
L
oo
k
a
ng
l
e
s
[
d
e
g
]
.
If the user enters the fo
ll
o w
i
ng va
l
ues:
az
i
muth = 200.00 e
l
evat
i
on = 30.00 po
l
ar
i
zat
i
on = 0.0
and then beg
i
ns track
i
ng, presses [PRIOR] to return to the
I
mm
e
d
i
a
t
e
t
r
ack
i
ng...
menu, and then re-enters
Mov
e
to
l
oo
k
a
ng
l
e
s...
under the
I
mm
e
d
i
a
t
e
t
r
ack
i
ng...
menu, the
L
oo
k
a
ng
l
e
s
[
d
e
g
]
w
ill
not sho w the va
l
ues prev
i
ous
l
y entered. Instead,
the current pos
i
t
i
on at the t
i
me the menu w as entered w
ill
be d
i
sp
l
ayed.
Th
i
s menu conta
i
ns the fo
ll
o w
i
ng menus:
T
r
ack
I
mm
e
d
i
a
t
e
T
a
r
g
e
t...
Ed
i
t
I
mm
e
d
i
a
t
e
T
a
r
g
e
t...
5.9.2.4.1 St
e
pt
r
ack
P
a
r
a
m
e
t
e
r
s
Tab
l
e 5-3 descr
i
bes the steptrack
i
ng parameters and
li
sts the defau
l
t sett
i
ngs for
each parameter.
NOTE: B
e
fo
r
e
c
h
a
ng
i
ng
a
ny of th
e
st
e
pt
r
ack
p
a
r
a
m
e
t
e
r
s,
r
ea
d th
e
i
nfo
r
m
a
t
i
on
a
bout th
a
t p
a
r
a
m
e
t
e
r
i
n T
a
b
l
e
5-3.
TAB
L
E 5-3 STE
P
T
R
ACK
P
A
R
AMETE
R
S
P
A
R
AMETE
R
DEFAU
L
T
DESC
R
I
P
T
I
ON
Cyc
l
e t
i
me
00:02:00
Sets t
i
me bet w een the end of one
St
e
pt
r
ack
cyc
l
e and the
beg
i
nn
i
ng of the next cyc
l
e w hen no OPT so
l
ut
i
on
i
s ava
il
ab
l
e. For
i
mmed
i
ate Steptrack, th
i
s
i
s the on
l
y cyc
l
e t
i
me used. In add
i
t
i
on,
th
i
s t
i
me
i
s used w hen excess
i
ve d
i
screpanc
i
es ex
i
st bet w een the
mode
l
s and the steptrack po
i
nt
i
ng.
Rece
i
ve -3 dB
beam w
i
dth [deg]
0.27
The rece
i
ve -3 dB of the antenna. Used by Steptrack and OPT to
determ
i
ne def
l
ect
i
on from beam center.
Step s
i
ze [deg]
00.020
Sets the s
i
ze of each step that the antenna makes as the step-
track a
l
gor
i
thm approx
i
mates a curve and samp
l
es po
i
nts a
l
ong
that curve. Th
i
s step
i
s a
l
so used for steptrack operat
i
ons
i
n OPT
track
i
ng. The va
l
ue shou
l
d be set to approx
i
mate
l
y 8 % of the -3
dB rece
i
ve beam w
i
dth of the g
i
ven antenna, but no
l
ess than 0.02
w
i
th standard encoders.
Pos
i
t
i
on
deadband [deg]
00.03
Steptrack moves the antenna c
l
oser to the peak s
i
gna
l
unt
il
the
d
i
fference bet w een the prev
i
ous est
i
mated peak pos
i
t
i
on and the
current peak pos
i
t
i
on
i
s
l
ess than the deadband. As
i
n system
conf
i
gurat
i
on parameters, th
i
s deadband sett
i
ng affects A Z and EL
on
l
y. When the antenna moves to w
i
th
i
n th
i
s deadband of the
peak s
i
gna
l
, steptrack
i
ng stops for that cyc
l
e. The va
l
ue shou
l
d be
l
ess than 10 % of the -3 dB rece
i
ve beam w
i
dth, but greater than
0.01
for systems w
i
th standard encoders.
Max
i
mum no. of
cyc
l
es
5
L
i
m
i
ts the number of A Z and EL attempts the steptrack a
l
gor
i
thm
makes
i
n f
i
nd
i
ng the peak s
i
gna
l
. Nom
i
na
l
va
l
ue
i
s 5, but the va
l
ue
shou
l
d be decreased for a very fast target as steptrack assumes
Содержание VertexRSI 7200
Страница 15: ...INTRODUCTION 1 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 21: ...O VERVIEW 2 6 Figure 2 3 7200 A CU Functional Block Diagram...
Страница 22: ...O VERVIEW 2 7 Figure 2 4 7200 Antenna Control Unit Top View Figure 2 5 7200 Antenna Control Unit Side View...
Страница 41: ...O VERVIEW 2 26 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 46: ...THEORY 3 5...
Страница 138: ...7200 OPERA TION 5 70 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 154: ...7200 M AINTENANCE 7 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 156: ...7200 DRA WINGS 8 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 160: ...A CRONYMS ABBREVIATIONS A 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 164: ...7200 PASSW ORD PROTECTION B 4 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 202: ...Appendix C 7200 Remote Monitor and Control Protocol CG 6042 Rev F June 2000 C 38 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 258: ...7200 TROUBLESHOOTING G 12 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 259: ...VENDOR DA T A H 1 APPENDIX H VENDOR DATA This appendix contains the Sumitomo NTAC 2000 O M manual for the inverters...
Страница 260: ...7200 VENDOR DA T A H 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 262: ...7200 MENU TREE I 2 THIS PA GE INTENTIONALLY LEFT BLANK...
Страница 264: ...Technical Support J 2 THIS PAGE INTENTIONALLY LEFT BLANK...
Страница 266: ...Technical Support J 4 THIS PAGE INTENTIONALLY LEFT BLANK...