卫星接收方位角仰角计算
卫星接收方位角、仰角和极化角的计算法 仰角,E,、方位角,A,、馈源极化角,P,及星、站之间距离d的计算MATCH_
word
word文档格式规范word作业纸小票打印word模板word简历模板免费word简历
_1716691242689_0:
,,cos(,),cosθ,0.15,1211Etg, 21,[cos(,,,),cosθ]211
()tg,,,1,21A,tg sinθ1
sin(),,,1,21Ptg, tgθ1
d,42164.6,1.023,0.302cos,cos,,Km, 1
式中:
,为接收站经度,度, 1
,为卫星的轨位经度,度, 2
θ为接收站纬度,度, 1
下面以北京市,东经116?、北纬40?,接收鑫诺3号卫星为例计算馈源极化角,P,、方位角,A,及俯仰角,E,~计算过程如下:
- 1 -
oosin(,),,sin(125,116)0.1564,1,1,1,1o21 P,tg,tg,tg,tg0.1864,10.6otgθ0.8391tg401
ootg(,),,tg(125,116)0.1584,1,1,1,1o21 A,tg,tg,tg,tg0.2464,13.8osinθ0.6428sin401
ooo,,cos(,),cosθ,0.15cos(125,116),cos40,0.15,1,1211E,tg,tg2ooo2,,1,[cos(,),cosθ]1,[cos(125,116),cos40]211 0.9877,0.7660,0.150.6066,1,1,1o,tg,tg,tg0.9277,42.920.42761,(0.9877,0.7660)
- 1 -