短基线干涉仪系统可以测得目标的方位角、距离和速度，因此系统可以实现对目标的二维定位。

The short - baseline interferometer system may obtain azimuth, distance and speed of the target, therefore the system may realize to two-dimensional localization of target.

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沙漠地区旁折光对三角锁系的方位角条件及基线条件常数项的影响表现为系统性误差。

The influence of the side-refraction in desert regions on the absolute terms of the azimuth conditions and base-line conditions of triangulation chains is expressed as systematic errors.

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研究方法：以南梁-太行山隧道洞外精密控制测量复测为例，通过比较分析同名基线的距离和方位角，考察两次结果对隧道贯通误差的影响。

The discussions are made in this paper on implement of repetition survey and the comparison of corresponding baselines with original baseline in the data processing.

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