9497B-1 Technical Specifications
9497B-1 C/Ku-Band TVRO
8-2
8.3.
Stabilized Antenna Pedestal Assembly
Type:
Three-axis (Level, Cross Level and Azimuth)
Stabilization:
Torque Mode Servo
Stab Accuracy:
0.3 degrees MAX, 0.15 degrees RMS in presence of specified ship
motions (see below).
LV & CL motors:
Size 34 Brushless DC Servo motor with integrated brake.
AZ motor:
Size 34 Brushless DC Servo motor with integrated encoder .
Inertial Reference:
Solid State Rate Sensors
Gravity Reference:
Two Axis Fluid Tilt Sensor
AZ transducer:
256 line optical encoder (integrated in AZ motor) / home switch
Range of Motion:
Elevation
-15 to +110 degrees
Cross Level
+/- 25 degrees
Azimuth
Unlimited
Polarization
+/- 90 degrees
Elevation Pointing:
0 to +90 degrees (with 15 degree Roll)
+5 to +90 degrees (with 20 degree Roll)
+10 to +85 degrees (with 25 degree Roll)
Relative Azimuth Pointing
Unlimited
Specified Ship Motions (for stabilization accuracy tests):
Roll:
+/-15 degrees at 8-12 sec periods
Pitch:
+/-10 degrees at 6-12 sec periods
Yaw:
+/-8 degrees at 15 to 20 sec periods
Turning rate:
Up to 12 deg/sec and 15 deg/sec/sec
Headway:
Up to 50 knots
Mounting height:
Up to 150 feet.
Heave
0.5G
Surge
0.2G
Sway
0.2G
Maximum ship motion:
Roll
+/- 25 degrees (Roll only)
+/- 20 degrees (combined with Pitch)
Pitch
+/- 15 degrees
Yaw Rate
12 deg/sec, 15 deg/sec/sec
Содержание 9497B-1
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