Das 100-m-Radioteleskop Effelsberg V2 11.01.08
檢視次數：
4820 次 (過去 7 天內共 14 次)
下載次數：
3005 次 (過去 7 天內共 4 次)
Google 地球模型實際點閱人次：
共 1852 次 (過去 7 天內共 9 次)
|
|
The 100-m-Radioteleskop Effelsberg
Reflector Diameter 100 m
Aperture 7,854 m²
Number of Surface Elements (Panels) 2,352
Shape Accuracy of Surface < 0.5 mm
Focal Length in Prime Focus 30 m
Secondary Mirror Diameter (Gregory-Reflector) 6.5 m
Aperture Stop
- in Prime Focus f/0.3
- in Secondary Focus f/3.85
Angular Resolution (Beam Width)
- at 21cm wavelength (1.4 GHz) 9.4' (arc minutes)
- at 3cm wavelength (10 GHz) 1.15' (arc minutes)
- at 3.5mm wavelength (86 GHz) 10" (arc seconds)
Azimuth Track Diameter 64 m
Setting Accuracy of Track +/- 0.25 mm
Azimuth Range 480°
Maximum Rotation Speed 30°/min.
Pointing Accuracy
- Blind Pointing
10"
-Repeatability
2"
Power Output of the 16 Azimuth-Drives 10.2 kW each
Radius of Elevation Gear Track 28 m
Elevation Movement from 7° to 94°
Maximum Tilt Speed 16°/min.
Power Output of the 4 Elevation-Drives 17.5 kW each
Total Weight 3,200 t
Construction Period 1968-1971
Height of Track above Sea Level 319m
Commencement of Operation August 1st, 1972
Constructed by Arbeitsgemeinschaft KRUPP/MAN
翻譯
顯示原文
|
|
|
複雜度以模型中的多邊形數為基礎。越複雜的模型成像，在 Google 地球中的處理速度越慢。請到我們的 知識庫 上來瞭解更多有關這部分的資訊。
|
|
| Radioteleskop, Effelsberg, suendigen-interactive, Max, Planck, Germany, Deutschland, Bad, Münstereifel, Eifel, Köln, Nordrhein, Westfalen, weltall, space, euskirchen, kreis, astronomie, wissenschaftler, space, Reflector, KRUPP, MAN |
|
3D 模型作者：
Google Buzz
MySpace
取得本頁面的分享連結
取得嵌入程式碼