突发模式传送系统中，前导字作为系统开销降低了数据传送效率。
The preamble signals used as overhead decrease transmission efficiency in burst-mode transmission system.
MIMU导航系统因其突出的优点和良好的应用前景而成为当前导航界研究的热点之一。
The MIMU navigation system has become one of the most popular navigation system for its outstanding merits and prospective applications.
分析了导卫装置调节系统的作用，针对目前导卫装置调节系统使用情况，对其存在的问题提出了改进方案。
The function of adjust system for guiding equipment was analyzed. Aiming at the service situation of the adjust system, the improving way to its existing questions was proposed.
同时也介绍了MIMO-OFDM系统中的同步技术，包括MIMO-OFDM帧同步和载波频率同步，并提出了改进的前导序列生成方法。
The algorithm of MIMO-OFDM synchronization is also proposed with improved training sequences including frame synchronization and frequency synchronization.
从线性最优估计算法和非线性次优估计算法两方面出发，对目前导航系统数据处理算法进行了归纳与分类。
All the methods of navigation and positioning are summarized and classified from the linear optimal estimation algorithms and the non-linear suboptimal estimation algorithms.
本课程的前导课程为数据结构、程序设计、离散数学、数据库系统原理，学生必须掌握基本的数据库基本操作技术和方法。
The course prerequisites are Data Structure, Programmer, Discrete Mathematica, Database Concept etc. And acquire some knowledge of the database operating and programming.
本课程的前导课程为数据结构、程序设计、离散数学、数据库系统原理，学生必须掌握基本的数据库基本操作技术和方法。
The course prerequisites are Data Structure, Programmer, Discrete Mathematica, Database Concept etc. And acquire some knowledge of the database operating and programming.
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