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4.5米环焦天线--技术指标 |
4.5 m Ring-Focus Antenna, Technical Specifications |
Electric Specification |
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C-band Reception |
C-band Transmission |
Ku-band Reception |
Ku-band Transmission |
电气指标 |
|
C-接收 |
C-发射 |
Ku-接收 |
Ku-发射 |
Frequency (GHz) |
频率 |
3.625-4.2 |
5.85-6.425 |
10.95-12.75 |
14-14.5 |
Gain (dB) |
增益 |
43.8 |
47.2 |
53 |
54.5 |
SWR |
驻波比 |
1.25:1 |
1.25:1 |
1.25:1 |
1.25:1 |
Beamwidth:-3dB |
波束宽度 |
1.14 ° |
0.72 ° |
0.37 ° |
0.31 ° |
-15dB |
|
2.4 ° |
1.42 ° |
0.57 ° |
0.63 ° |
An tenna Noise Temperature (K) |
噪声温度 |
2/4 Port Feed |
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2/4 Port Feed |
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2/4端口馈源 |
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2/4端口馈源 |
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10°Elevation |
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36 |
|
60 |
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20°Elevation |
|
27 |
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50 |
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40°Elevation |
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24 |
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44 |
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Power Handling Capability |
功率容量 |
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5Kw/port |
|
1Kw/port |
Feed Interface |
接口形式 |
CRP-229G |
CRP-159GG/137G |
|
WR-75 |
Feed Insertion Loss (dB) |
馈源插损 |
0.25dB |
0.2dB |
0.25 |
0.25 |
Port-port isolation (dB) |
端口隔离 |
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T-R |
|
85 |
85 |
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Cross Polarization Isolation (dB) |
交叉极化隔离 |
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|
(0dB) |
35dB |
35dB |
35dB |
35dB |
|
(1dB) |
33dB |
33dB |
33dB |
33dB |
Axial ratio,(dB) |
轴比 |
1.5dB |
1.8dB |
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Sidelobe envelope |
副瓣包络 |
CCLR.580 |
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Mechanical Specification |
机械性能 |
|
Azimuth Range |
方位范围 |
±60 ° |
Elevation Range |
俯仰范围 |
5 ° to 90 ° |
Foundation Parts |
预埋件 |
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Surface Accuracy |
表面精度 |
0.5mm |
Coating |
喷漆 |
Spray-paint(white) |
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Environmental Specification |
环境特性 |
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Operating Wind Speed |
工作风速 |
20m/s (72km/h) |
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|
To27m/s (97km/h) |
Max Wind Speed |
生存风速 |
55.6m/s (200km/h) |
Ambient Temperature |
温度 |
- 45 ° to 60 ° |
Relative Humidity |
湿度 |
10% to 98% |
Vibrations |
地震 |
0.3G,horizontal |
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0.15G,vertical |
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