4.5m Remote Sensing Satellite Antenna with a+E+T Structure

• Usage Occasion: Satellite Remote Sensing
• Operating Wavelength: Microwave
• Material: Al
• Sturcture Form: Ring Focus
• Antenna Diameter: Can Be Customized
• Transport Package: Export Package
• Model NO.: NS-SECS-450
• Specification: ISO9001
• Trademark: Newstar
• Origin: Xi′an, China
• HS Code: 8517707090
• Production Capacity: 30sets Per Year

Product Description

4.5m Ku band remote sensing satellite antenna characteristics

Antenna mount adopt "A-E+T" 3-axis structure;

Ring focus type;

Program tracking and mono pulse tracking;

With angle calibration and working state self-checking and self-testing;

With automatic phase correction function;

With functions of local and remote monitoring and automatic test calibration;

Fast tracking of low and medium orbit satellites

4.5m ku band remote sensing satellite antenna characteristics
RF characteristics

Model	NS-SEC(RS)-450
Operating Frequency, GHz	Ku band
	10.7~12.75
Antenna gain dBi	GR≥53.24+20lg(f/f0)dBi (f0=12.25GHz)
Polarization	Circular
Axial Ratio	≤0.7dB
VSWR	≤1.35
Noise temperature	≤80K
G/T dB/K,20°El	≥30.91+20log(f/f0)dB/K (clear sky, EL:5°, environment temperature: 23ºC,f0=12.25GHz)
-3dB beam width	0.36°(12.25GHz)
Feed insertion loss, dB	≤0.74dB( to input of LNA)
Working power capacity	+12Vto+24V DC
First sidelobe, dB	≤-14dB

Servo characteristics

Antenna diameter		4.5 m
Antenna type		Ring focus
Antenna mount type		A-E+T
R.M.S		≥0.1°
Pointing accuracy		Superior than 1/5 3dB beam width
Tracking accuracy		Superior than 1/10 3dB beam width
Angle display resolution		0.01°
Travel range		Rotation speed		Rotation acceleration speed
AZ EL Third axis	±355° -1+181° ±170°	AZ EL Third axis	25°/s 15°/s 5°/s	AZ EL Third axis	10°/s² 10°/s² 2°/s²

 Environment characteristics

Working wind speed	72 km/h
Without damage	216 km/h
Working temperature	-40ºC~60ºC
Relative humidity	≥98%(25ºC)
Surface treatment	Steel parts: hot dip galvanized; aluminum part: primer paint+surface paint Adapt to the requirements of coastal environment

 

Remote sensing antenna available size is from 1.8m to 13m.