在一次测量过程中，两组测量单元可以测出各自所在位置的井斜角和相对扭转角，由此可计算出两个单元之间的方位角变化。
The azimuth Angle change between the two units can be calculated by once operation according to the deviation angles and relative torsion angles measured with the units at each point.
通过教学实践总结提炼出一种简便、实用的坐标方位角计算公式。
A sort of simple and convenient, practical computation formula of coordinate azimuth is abstracted and summarized by teaching practice.
为了提高系统的运算精度和速度，采用定点DSP芯片TMS320 VC 5402进行计算和控制，以快速准确测出真北方位角。
In order to improve systematic operation precision and speed, adopt fixed DSP chip TMS320VC5402to calculate and control, and measuring northern direction Angle corner accurately fast.
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