loran

1. Millington's method is generally used for forecasting the field strength and ASF of Loran C signal.: 米林顿算法是国际上比较常用的预测罗兰C信号场强和附加二次相位因子（ASF）的算法。

2. The notch filter proposed is used to attenuate the adjacent channel interference in the Loran-C receiver.: 本文设计的陷波器用于衰减罗兰C接收机的邻道干扰，而且其调谐是在微机管理下处自动进行的。

3. The stability and space correlation about the sky-wave propagation time-delay in Loran-C system are studied.: 研究了罗兰-C天波传播时延的稳定性与空间相关性。

4. Improving and ameliorating the ability of Loran-C for time service are the main objective of our study in this paper.: 本论文的主要研究目的是提高和改进罗兰C授时能力。

5. 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。

6. The time relationships between GRI pulse sequences and reference pulses, as well as between modulation codes and Loran-C pulse groups are analyzed.: 分析了GRI脉冲序列与参考脉冲，以及调制码组与罗兰C脉冲组的时间关系。

7. The relationships between GRI pulse sequences and reference pulses, as well as between modulation code groups and Loran-C pulse groups are analyzed.: 分析了GRI脉冲序列与参考脉冲，以及调制码组与罗兰C脉冲组的时间关系。

8. 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．。

9. The same storm disrupted shortwave radio transmissions, cripple Coast Guard loran navigation systems and had automatic garage doors opening on their own.: 这次太阳风暴同时还使无线电短波通讯中断，海岸警卫队的洛兰远程导航系统瘫痪，车库的自动门自行开启。

10. Theoretically, it is an optimal receiving for Loran-C signal, which can effectively reduce the interference from the white noise, because the Loran-C signal is already known.: 从理论上讲，由于已知罗兰c信号的波形，采用这种方法是罗兰c信号的最佳接收，它能有效减少白噪声的干扰。

11. 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。

12. Using the Multi-chains Loran-C signals to implement the independent UTC synchronization is the second approach, which is relied on the Coincidence Rule among TOCs of different Loran-C chains.: 第二条途径是根据不同罗兰c链的TOC的重合规律，研究利用多链罗兰c信号实现自主toc同步。

13. Using the Multi-chains Loran-C signals to implement the independent UTC synchronization is the second approach, which is relied on the Coincidence Rule among TOCs of different Loran-C chains.: 第二条途径是根据不同罗兰c链的TOC的重合规律，研究利用多链罗兰c信号实现自主toc同步。

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