TriPoint VertexRSI 7200, Руководство по эксплуатации и обслуживанию

Страница: 94 / 266

7 2 0 0 OPERA TIO N
5 - 2 6
TAB L E 5-8 ADVANCED O P T P A R AMETE R S
P A R AMETE R DEFAU L T DESC R I P T I ON
ST d i scard
po i nt
0.1 0 Represents the fract i on of the -3 dB beam w i dth at w h i ch OPT w ill
start the process to i nva li date the current short-term so l ut i on.
Sett i ng th i s va l ue l arger w ill a ll o w more error gro w th, but sett i ng i t
too sma ll w ill cause excess i ve steptrack operat i ons.
LT d i scard
po i nt
0.0 9 Represents the fract i on of the -3 dB beam w i dth at w h i ch OPT w ill
start the process to i nva li date the current l ong-term so l ut i on.
Sett i ng th i s va l ue l arger w ill a ll o w more error gro w th, but sett i ng i t
too sma ll w ill cause excess i ve steptrack operat i ons.
dB co ll ect
cyc l e t i me
[ms]
5 0 0 ms
(0.5 sec)
Contro l s the frequency at w h i ch ne w po i nts are read from the
current A/D. A w i ndo w of 4 0 po i nts i s he l d to determ i ne the mean
dB and standard dev i at i on of the s i gna l i ns i de OPT. The nom i na l
va l ue i s 5 0 0 ms (0.5 sec) w h i ch w ill cover the l ast 2 0 seconds i n
t i me. Increas i ng th i s va l ue w ill stretch the t i me the w i ndo w covers
but on l y 4 0 po i nts are ma i nta i ned.
Propagator
cyc l e t i me
[ms]
1 0 0 0 ms
(1 sec)
Contro l s the frequency at w h i ch ne w l ook ang l es are ca l cu l ated
from an ex i st i ng OPT so l ut i on. The va l ue can be i ncreased to l o w er
the w ork l oad on the CPU.
Max so l ut i on
RMS
0.1 0
(1 0 %
band w i dth)
WA R N I NG: S e tt i ng th i s v a l u e too l ow w ill ca us e O P T to
m a l fun c t i on.
Represents the fract i on of the rece i ve -3 dB beam w i dth at w h i ch
OPT w ill no l onger cons i der an orb i ta l e l ement set va li d. Sett i ng th i s
va l ue too h i gh cou l d a ll o w OPT to use a bad so l ut i on.
Max
steptrack f i t
[db]
N/ A One of t w o va l ues used to determ i ne i f a steptrack operat i on shou l d
be accepted by OPT. S P _ F I T (seen i n St e pt r ack st a t i st i c s ) i s the
compar i son data. Th i s parameter shou l d on l y be changed on the
adv i ce of V ertex personne l .
Max
steptrack std
[db]
N/ A One of t w o va l ues used to determ i ne i f a steptrack operat i on shou l d
be accepted by OPT. S P _ STD (seen i n St e pt r ack st a t i st i c s ) i s the
compar i son data. Th i s parameter shou l d on l y be changed on the
adv i ce of V ertex personne l .
Use so l ut i ons Enab l ed In norma l operat i on, OPT w ill fo ll o w i ts so l ut i ons bet w een steptrack
operat i ons. Th i s parameter must be enab l ed for th i s to happen.
D i sab li ng th i s parameter w ill stop OPT from us i ng i ts so l ut i ons, but
OPT w ill cont i nue to co ll ect data and generate so l ut i ons. OPT w ill
a l w ays use i ts so l ut i ons to i n i t i a ll y acqu i re the target.