loran

Design and Implementation of Electromagnetic Environment Simulator for LORAN C Navigation System

LoranC导航系统电磁环境模拟器设计与实现

The research of the orientation deviation modifying of Loran C system

基于GPS的罗兰C系统定位误差修正研究

Time synchronization ability of Loran C signal of Northwest Pacific chain

西北太平洋链罗兰西信号的时间同步能力

The Design of GPS ─ LORAN Automatic Converting System

卫导&罗兰自动转换系统的设计

ASF Correction of Loran - C Based on BP Neural Network

基于BP神经网络的罗兰-C的ASF修正

Suggestion for Building a Small Loran C Navigation Chain in Taiwan Strait

建立台湾海峡小罗兰C导航台链的建议

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

Study and Sea Trial of Dead-reckoning / Loran C ( GPS ) Integrated Navigation System

推算船位／罗兰C（GPS）组合导航系统的研究及其海上试验

The calculation research of hyperbolic navigation position fixing based on double station chains Loran C navigator

基于双台链罗兰C导航仪的双曲线导航定位算法

Pseudo-distance navigation locating in Big Dipper / Loran integrated navigation system

北斗/罗兰组合导航系统中伪距导航定位解算新算法研究

Design and Implementation of Loran - C Datalink

罗兰C数据链的设计与实现

On the Methods of Automatic UTC Synchronization by LORAN - C multi - chains Signals

利用多链罗兰C信号实现UTC同步方法的研究

A New Loran C Sky-Wave and Ground-Wave Identification Algorithm Based on IFFT Spectral Division

基于IFFT频谱相除的罗兰C天地波识别新算法

The research , programs and developing policy on Loran C system in US and Northern Europe are introduced briefly in this paper .

简要介绍了近两年来美国和北欧LoranC系统的研究和技术改造，以及未来数年内的发展方向政策。

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。

The Application of Single-chip Microcomputer MCS-51 in LORAN A Navigator

MCS-51单片机在劳兰A定位仪中的应用

A new Algorithm for Sky-Wave and Ground-Wave Detection of Loran C Based on FFT / IFFT Technology

一种基于FFT/IFFT技术的罗兰C天地波识别新算法

In orde to improve the navigation capability of Loran C and satellite navigation system . It is necessary to solve time synchronization .

为了提高罗兰C与卫星导航组合系统的导航性能，需要解决系统时间同步。

Loran Fryer reports from Madrid where the holiday is being celebrated with military parade .

据洛兰·弗莱尔从马德里带来的报道，马德里为庆祝哥伦布日举行了阅兵式。

In this paper , the DR / GPS / LoRan C integrated navigation system is studied in theory , and an effective way to solve this problem is given .

本文以DR/GPS/劳兰C船舶组合导航系统为研究对象，从数据融合的角度出发，为提高船舶组合导航系统的导航精度和容错能力提供了有效的解决方法。

From NPR News , I 'm Loran Fryer , Madrid .

NPR新闻，洛兰·弗莱尔马德里报道。

Two typical land-based systems are LORAN and Omega , while typical space-based systems are GPS of USA and GLONASS of Russia .

陆基导航系统的代表有罗兰和奥米伽系统。空基导航系统代表有美国的GPS和俄国的GLONASS卫星导航系统。

The TOC message can be broadcasted , solely or alternating with DGNSS message , over one Loran C channel .

在一个罗兰C信道上，可以单一广播TOC信息，也可以与差分GNSS信息交替广播。

Hyperbolic navigation systems were first implemented as ground-based navigation systems operating in the medium and long-wave radio frequency spectrum like LORAN , DECCA or OMEGA .

双曲导航系统首先在陆基导航中得到应用，他们工作在中波或长波段，如LORAN、DECCA和OMEGA。

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。

A general design method of federated Kalman filter based on multisensor information fusion is introduced in this paper and applied in the warship INS / GPS / Loran C integrated navigation system .

介绍了基于多传感器信息融合技术的联合卡尔曼滤波器的一般设计方法，并将此方法运用于舰船INS/GPS/LoranC组合导航系统中。

Loran - C transmitter modulates the signal using encoded message , then broadcasts the message . The receiver demodulates the signal and decodes the message .

罗兰C发射台将编码后的电文信息调制在信号脉冲上，以广播方式发送给用户，用户接收机对接收到的信号进行解调和解码后，输出电文信息。

The result indicate that integral distance distortion on the geocentric latitudinal sphere is 2 ~ 3 km in the about 2 000 miles ( Loran C system ) .

结果表明，对于2000海里左右的中程大地距离（罗兰C系统的作用距离范围内），地心纬度球面上的积分长度变形达2～3km。

According to the orientation principle of Loran C system , this article Completely calculated and deduced the arithmetic about the Loran C positioning , and provided the relative formula of orientation deviation .

利用罗兰C系统对定位算法进行了推导，给出了罗兰C系统定位误差公式。

The troublesome procedure of drawing also can be avoided . It takes only 1-2 minutes to make a position fixing by using this new table as compared with 3-5 minutes by using USA LORAN table .

用Loran表来定位，需3～5分钟，而用新表只需1～2分钟。