地面亮度温度的测量值随观测天顶角、方位角和太阳位置而改变。
As expected, the measured brightness temperatures change with view zenith angle, view azimuth angle, and the Sun position.
在观测系统设计过程中还要考虑方位角、炮检距等分布规律的影响。
In a process of setup design it must consider the influence of distributing rule of azimuth and offset.
纯方位角无源定位时，观测平台的运动轨迹对目标最终的定位精度有重要影响。
The observer's trajectory has an crucial importance on the accuracy of bearings-only target localization.
所有的地球同步卫星都在赤道上空35,785km高度运行，相对于地面观测者来说，它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
所有的地球同步卫星都在赤道上空35,785km高度运行，相对于地面观测者来说，它们的方位角和高度角是始终不变的。
All geostationary satellites orbit the earth in the equatorial plane at a height of 35,785 km above the equator and stand still at a fixed azimuth and altitude for an observer on the earth surface.
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