Based on analysis and comparison of domestic and overseas algorithms of Loran-C cycle identification, a new method of cycle identification using matched correlation is presented.

在分析比较了国内外的罗兰c周期识别算法上，提出了一种利用匹配相关进行周期识别的方法。

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This paper deduces a group of formulas with fast calculating speed and high precision, which can be used in Loran-C navigator for locating calculation.

介绍了罗兰C定位的一种迭代算法，计算速度快、精度高，可用于罗兰C导航仪的定位计算．。

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Two tasks showed in the paper, a navigational data-compute program and a man-machine interface of Loran-C receiver is designed.

本文所做的主要工作有两项：一是设计实现坐标转换和航行参数计算的导航数据解算软件，二是设计接收机的人机界面。

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Just one year ago, the Bush administration announced it would keep the ground-based LORAN system operational to serve as a backup for the satellite-based global positioning systems, which are becoming ubiquitous in cars, planes and ships.

CNN: Navigation system, aid to farmers among budget cuts

However, to do the same to the Loran system, you'd need a 40ft tower -- and around 25kW of juice to power it.

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