Electrical performance
|
Type
|
NS-SE(DBS)-730
|
|
Operating Frequency, GHz
|
DBS Band
|
|
|
Receive
|
Transmit
|
|
Frequency
|
10.70~12.75
|
17.3~18.4
|
|
Gain, Mid-band, dBi
|
57.16
|
60.5
|
|
Polarization
|
Linear
|
Linear
|
|
XPD (on Axis), dB
|
35
|
35
|
|
XPD across 1dB Beam Width, dB
|
33
|
33
|
|
VSWR
|
1.3
|
1.3
|
|
Antenna Noise Temperature 2-port feed
10° Elevation
30° Elevation
50° Elevation
|
66°K
52°K
47°K
|
|
|
G/T (El=25°)
|
35.9dB/°K
(70°LNA)
|
|
|
-3 dB Beam Width, Mid-band
|
0.22
|
0.13
|
|
Tx. Power Capability, KW
|
|
1/per port
|
|
Feed Interface
|
WR-75
|
WR-62
|
|
Feed Insertion Loss, dB
|
0.25
|
0.2
|
|
Isolation, Tx to Rx, dB
|
85
|
|
First Side lobe 90% Peaks under Following Envelop
|
-14
29-25logθ(1°≤θ<20°)
|
Mechanical performance
|
Antenna Diameter
|
7.3m
|
|
Antenna Type
|
Ring Focus
|
|
Surface Accuracy（RMS）
|
≤0.3mm
|
|
Antenna Pointing Range
|
Azimuth
Elevation
Polarization
|
170° in 2 sections
0°~90° (Continuous)
180° (Continuous)
|
|
Drive Mode
|
Manual or Motorized
|
|
Motor Drive System
|
Azimuth Travel Rate
Elevation Travel Rate
Polarization Travel Rate
|
0.1°/S(0.02/S)
0.1°/S(0.02/S)
1°/S
|
Environmental performance
|
Operational Wind
|
72km/h gusting to 97km/h
|
|
Survival Wind
|
216km/h
|
|
Temperature
|
-40°~+60°
|
|
Relative Humidity
|
100%
|
|
Solar Radiation
|
1135Kcal/h/m²
|
|
Seismic (Survival)
|
0.3g(H), 0.15g(V)
|
|
Ice Loading
|
13mm Operational; 25mm Survival
|
