File:DOP Function of Elevation Angle Mask for Four Satellites.svg
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DescriptionDOP Function of Elevation Angle Mask for Four Satellites.svg |
中文(中国大陆):视场中存在四颗卫星,且一颗卫星处在天顶,另外三颗卫星平均分布在截止高度角所定义的等高圈上时,取得的DOP值随截止高度角的变化情况。GDOP值和PDOP值在截止高度角为-19.47°时最小,此时GDOP的大小为1.5811。
English: When there are four satellies in sight and three at elevation angle mask and a fourth at zenith, the DOP changes as a function of the elevation angle mask. The GDOP achieves a minimum value of 1.5811 when the elevation angle is -19.47°. |
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Author | 天探 |
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