Star maps are very important visual results of the calendar reform.

The Calendar Effect of Some Market Indices in Chinese Stock Market

中国证券市场指数的日历末效应分析

Historical and Cultural Background of the Calendar of Yunnan Minorities

云南少数民族历法的历史文化背景

Two Problems on the Calendar of Early Zhou Dynasty

周初历法问题两议

A Low-Cost Integrated Navigation System of BEIDOU/ DR

一种低成本的北斗/DR组合导航系统

Based on real-time updates, the Beidou map app can give optimized suggestions.

基于实时更新，北斗地图应用可给出优化建议。

This paper introduces the short message communication technology of the Beidou satellite navigation guiding and positioning system.

介绍了北斗卫星导航定位系统的简短通信技术。

In addition to security concerns, there are economic factors behind the promotion of Beidou.

除了安全问题之外，推广北斗系统也有经济上的考量。

The study on improvement of "beidou" double-star navigation system and it's algorithm

北斗双星定位系统改进及其算法的研究

Analysis Methods About HDOP of Loran C/ Beidou Integrated Navigation System

罗兰C和北斗组合导航系统定位精度研究

Emergency Direction Supervisory System Based On Beidou/ GPS/ BGAN Satellite Technology

基于北斗/GPS/BGAN卫星技术的应急指挥监控系统

Beidou products land abroad China's Beidou-3 Navigation Satellite System was officially commissioned.

我国的北斗三号全球卫星导航系统近日正式开通。

A Federated Kalman Filtering Data Fusion Algorithm for Beidou/ CDMA Navigation System

一种北斗/CDMA导航系统数据融合的联邦卡尔曼滤波算法

However, what the Beidou system does have is strong backing from the Chinese government.

然而，北斗系统得到了中国政府的大力支持。

Beidou system will have a wide range of application prospect in the marine investigation and management.

北斗系统在海洋海事调查及管理工作中有广泛的应用前景。

The final satellite of China's Beidou Navigation System has been sent into space.

中国北斗导航系统的最后一颗卫星发射升空。

Study and Comparison of Several Passive Positioning Algorithms About "Beidou" Satellite Navigation System

关于北斗卫星导航系统的被动式定位算法比较研究

With the development of Beidou system, there have emerged new businesses based on navigation services.

随着北斗系统的发展，以导航服务为基础涌现了一批新产业。

Federal Filtering Algorithm in SINS/ Beidou/ STAR Integrated Navigation System

SINS/北斗/星敏感器组合导航系统研究

Analysis and Design of the Navigation Signal Generator of "Beidou" Terrestrial Improvement System

北斗陆基增强系统导航信号源的分析与设计

Study of passive "BeiDou" integrated navigation algorithm

无源北斗/惯导组合导航算法研究