Meteorlogical Remote Sensoring Antenna(MRSA)

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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




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