Gauss-Newton error minimization is used to transform six-dimentional reference vector to quaternion as a part of observations for EKF, which significantly reduces the computational requirement.
用高斯-牛顿误差最小法将六维观测量转化为四元数，作为观测量的一部分，显著减少了直接使用EKF的计算量。
This paper mainly describes how to design and realize a vector map browser, which is based on the J2ME, and make a successful illustration. There are six chaptersin all.
这篇论文主要讲述了基于J2ME 的矢量地图浏览器研究与开发，最终完成和实现了对地图浏览器的开发，全文分为六章。
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