Description
Meteorlogical Remote Sensoring Antenna(MRSA)
The 1.5m fixed remote antenna is one of a series of remote sensing satellite receiving antennas and will be used for the reception of marine, meteorological, and remote sensing satellites.
Fixed weather remote sensing antenna and fixed 1.5 meters remote sensing and receiving antenna
|
Electric performance
|
Antenna form
|
Forward feed plate.
|
|
Base form
|
X-Y axis
|
|
Frequency
|
L、S、X single band or L/S、L/X、S/X double band
|
|
Efficiency
|
50％
|
|
Polarization form
|
Circular polarization
|
|
Sidelobe character
|
First sidelobe£-14dB
|
|
Standing wave ratio
|
≤1.3：1
|
|
Circular polarization ratio
|
1.22：1（Single frequency）1.41：1（double frequency sharing）
|
|
Mechanical property
|
Rotation range
|
X axis：±90°，Y axis：±90°
|
|
Rotation speed
|
X axis：≥5°/S
|
|
Rotational acceleration
|
X axis：≥5°/S2；Y axis：≥5°/S2
|
Fixed 2.4m Remote Sensing Receiving Antenna
|
Electric performance
|
Antenna form
|
Forward feed plate.
|
|
Base form
|
X-Y axis
|
|
Frequency
|
L、S、X single band or L/S、L/X、S/X double band
|
|
Efficiency
|
50％
|
|
Polarization form
|
Circular polarization
|
|
Sidelobe character
|
First sidelobe£-14dB
|
|
Standing wave ratio
|
≤1.3：1
|
|
Circular polarization ratio
|
1.22：1（Single frequency）1.41：1（double frequency sharing）
|
|
Mechanical property
|
Rotation range
|
X axis：±90°，Y axis：±90°
|
|
Rotation speed
|
X axis：≥5°/S
|
|
Rotational acceleration
|
X axis：≥5°/S2；Y axis：≥5°/S2
|
Six-bar 4.2m remote sensing satellite receiving antenna
|
Electric property
|
Frequency
|
L、S、X single band or L/X、S/X double band
|
|
Efficiency
|
50％～55％
|
|
Polarization
|
circular polarization
|
|
Sidelobe character
|
the first sidelobe≤-14dB
|
|
Standing wave ratio
|
≤1.3：1
|
|
Circular polarization axial ratio
|
1.22：1（single frequency） or 1.41：1（double frequency sharing）
|
|
Mechanical property
|
Antenna form
|
standard paraboloid
|
|
Feed source form
|
Forward-feed, back-feed, or frequency selective subreflector.
|
|
Base form
|
Hexapod type paralleled pedestal
|
|
Rotation range
|
Azimuth：limitless ；pitch：0°~90°
|
|
Rotation speed
|
≥5°/S
|
|
Rotation acceleration
|
≥5°/S2
|
|
Total weight
|
≤2000Kg
|
|
Servo property
|
Working mode
|
Manual control, command position(digital guide),program track, single pulse self-tracking.
|
|
Tracking mode
|
Manual tracking, program tracking and single pulse self-tracking.
|
|
Angle display resolution
|
0.001°
|
|
Pointing accuracy
|
1/8 half-power beam width(X band)
|
|
Tracking accuracy
|
1/10 half-power beam width(x band)
|
|
External interface
|
internet access
|
|
Power supply
|
220V±10%，50Hz±5% driving unit: three phase AC,380V±10%，50Hz±5% Control unit: single phase AC220V±10%，50Hz±5%
|
|
Power consumption
|
Antenna drive equipment: three phase AC 380V, less than 14kVA antenna control equipment: single phase AC 220V, less than 2kVA
|
