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Meteorlogical Remote Sensoring Antenna(MRSA)
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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

Item Parameter
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

Item Parameter
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

Item Parameter
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)或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

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