台链

建立台湾海峡小罗兰C导航台链的建议

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

罗兰c台链地波传播修正模型及实验确定

The Correction Model of Groundwave Propagation of Loran-c Chain and Its Experimental Determination

基于罗兰C信号绝对发射时刻的台链粗同步方法

Method of Station-Link Coarse Synchronization Based on Absolute Transmission Time of Loran-C Signal

基于双台链罗兰C导航仪的双曲线导航定位算法

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

通过与1988～1991年获取的海上测试数据的拟合计算确定了南海罗兰c台链海上工作区修正模型的参数。

By fitting with the experiment data on sea measured during 1988-1991 , the parameters of the correction model in working zone on sea of South China Sea Loran-c Chain are determined .

根据检测LORAN－C接收机性能必须用仿真的LORAN－C台链信号做信号源的需要，设计了一套实现台链信号仿真的方案。

This paper presents the design and realization of simulated LORAN-C chain signals which are used in testing the performance of LORAN-C receivers .

如何从夹杂着各种严重干扰的接收信号中，提取来自各台链的真实脉冲信号，以提高罗兰C接收机的性能，是一个值得研究的重点，本文便对此方面展开探讨。

How to estimate the real information from the received signals including noise and all kinds of interference to improve the performance of Loran-C receiver is a key point to study . So this paper launches the discussion to this respect .

最后，给出了长河二号东海台链的主台信号与国家授时中心的UTC（NTSC）之间的同步实验结果。

At last , the test results of time synchronization between the signal of master station of the " Donghai " Chain of " Changhe 2 " navigation system and UTC ( NTSC ), kept by the National Time Service Center are presented .

地磁台链的观测与研究

Observations and studies of geomagnetic station chains

分析了引起2003年10～11月发生的3个特大磁暴的太阳活动、行星际扰动以及中国东部地磁台链记录到的地面磁场变化。

The solar activity , interplanetary disturbance and ground-based magnetic record during the three 2003 giant storms are investigated in this paper .

文中还阐述了台链地波信号、天波干扰、交叉台链于扰与限带白噪声等的产生方法，以及如何在模拟接收机载体运动时产生仿真的台链信号方法。

Moreover , thc design for generating ground-wave signals , sky-wave interference , cross-rate chain interference and limited-band white noise is given .

课题来源于海军导航装备十五科研建设计划，论文以区域无线电导航系统岸基导航台链为研究对象。

The paper is based on the fifteenth scientific research plan of navy navigation arm . The paper researches and designs the beacons of the regional radio navigation system .

设计并制造了一台锯链链轴高频感应加热淬火机械装置。

A high frequency induction hardening machine for chain pin was researched and designed .

滇、桂、粤、闽、台灾害链讨论

A Discussion on Disaster Chain in Yunnan , Guangxi , Guangdong , Fujian and Taiwan

以双支短幅内摆线的等距曲线作为刚轮的齿廓曲线，设计制作了1台谐波链传动试验样机，通过试验验证了谐波链传动的运动可行性；

Regarding isometric curve of two-stub hypocycloid as tooth profile curve of rigid wheel , a harmonic chain drive experimental unit is designed and manufactured .

本文对省级电视台价值链内在的规律进行研究分析，将为省级电视台构建竞争优势提供理论依据、研究范式、评价体系和实际操作方法。

The paper explored the inherent laws of the value chain of the provincial TV stations , established a complete paradigm and evaluation system for the competitive advantages of these stations and offers adequate theoretical basis and practical methods for the evaluation of the building of competitive advantage .