针对单纯形法全局搜索能力不足的缺点，提出了通过编制简单条件下的最佳测星方位表来为算法提供良好初值的解决方案。

The simplex method is chosen to do the optimization, and a best navigation star table under simple conditions is proposed to reinforce the global optimize capability of simplex method.

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在小样本观测数据情况下，研究利用日 地月方位信息和日月 星历表进行航天器自主导航以及利用DSP实现航天器自主导航器的技术。

The orientation information of the sun, the moon and the earth, together with ephemeris are utilized to develop autonomous navigation algorithm, as well as its realization by DSP hardware.

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本文讨论了本星表的归算方法，并对中星仪的方位误差的改进提出了方案。这个方案已在陕西天文台的仪器上进行了实验，结果证明方位误差明显得到了改善。

The methods for reduction results are discussed in our paper Especially, the improvment for the error of the azimuth depended on the working catalogue and the transit instrument has been discussed.

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