Angle calculation is key process in flight navigation measurement. By bringing in the computer technology, classic calculation has been improved greatly. This paper introduced the theory of synchrony digital converter(SDC) , and designed a SDC adapter. The experiment result indicated that the adapter has a better capability and is much more stable in the angle calculation.%角度解算在飞行器姿态定位中有着关键的作用.传统老式角度解调精度不高,引入数字计算机技术以及芯片技术后,角度解调技术大大改善.通过介绍角度解调原理和专用的角度解算芯片,设计了一种角同步适配器,实验数据表明,适配器能够良好地适配轴角传感器,提高了角度解调精度,具有很好的稳定性.
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