Vehicular Auto Deploy Ku-Band 2.4m
Antenna Servo Feedback Tracking System
1. General
Vehicular Ku-band 2.4m auto deploy system is one of the “rapid operation” products. It is consist of a single reflector offset 2.4m antenna feed system, polarization plane adjustment unit, A-E type pedestal, step auto tracking system, frequency-conversion speed-governing driving unit, monitoring and control computer, shaft encoder and limit protection.
2.Performance Specifications
2.1 Electronical Performance
|
No. |
Items |
Parameters |
|
1 |
Type of antenna |
Single offset feed parabolic antenna |
|
2 |
Antenna diameter |
2.4m |
|
3 |
Operational frequency |
Rx：14.0~14.5GHz; Tx：12.5~12.75GHz |
|
4 |
Typical gain |
Rx:≥47.5+20log(F/14.3) dBi; Tx:≥49.0+20log(F/12.5) dBi |
|
5 |
VSWR(voltage standing-wave ratio) |
≤1.25：1(Rx、Tx) |
|
6 |
Antenna noise temperature |
≤38K(at 10°elevation) |
|
7 |
Power handing capacity |
≥500W/port |
|
8 |
Feed insertion loss |
≤0.25dB |
|
9 |
Polarization |
Linear polarization |
|
10 |
Cross polarization isolation |
≥35dB(on axis) |
|
11 |
Duplexer Rx/Tx isolation |
＞85dB(including rejection filter) |
|
12 |
Side lobe characteristics |
＜-14dB(First side lobe); 29-25logθdBi (1°～48°); -10dBi(48°～180°) |
2.2 Mechanical Specifications
|
No. |
Items |
Parameters |
|
1 |
Azimuth travel range |
±40° |
|
2 |
Elevation travel range |
5°～90° |
|
3 |
Polarization adjustable range |
±90° |
|
4 |
Panel surface accuracy |
0.5mm |
|
5 |
Tracking |
Manual tracking and auto tracking |
|
6 |
Motor drive speed |
Azimuth：0.4°/s , 0.1°/s(fine-tune)； Elevation: 0.4°/s ,0.1°/s(fine-tune) |
2.3 Environmental conditions
|
No. |
Items |
Parameters |
|
1 |
Operational wind speed |
20m/s(homeostasis)； 27m/s (gusty) |
|
2 |
Stow wind speed |
35m/s |
|
3 |
Survival wind speed |
56m/s |
|
4 |
Relative humidity |
0%～100% |
|
5 |
Shower |
100mm/h |
|
6 |
Closing ice |
2.5cm |
|
7 |
Operating temperature |
the outdoor equipment：-40～+55℃; the indoor equipment：-10～+45℃ |
2 Photos of Vehicular “Auto Deploy”Ku-Band 2.4m antenna station
Vehicular “Auto Deploy”Ku-Band 2.4m antenna station