1) BD/GPS double reference
北斗/GPS双溯源
1.
This article introduces a kind of BD/GPS double reference Sync clock source for broadcast video SFN Sync system,which breaks the passive situation of depending on GPS.
本文介绍了一种为广播电视单频网同步系统研制的北斗/GPS双溯源同步时钟,打破了长期依赖于GPS的被动局面,通过Kalman滤波器和智能保持算法提高了同步时钟的性能指标。
2) passive Beidou
无源北斗
1.
Noise and Singular Value Reduction of Passive Beidou Signal Based on Wavelet Transform;
基于小波变换的无源北斗导航信号处理方法
2.
Integrated navigation system of three-star passive Beidou/SINS based on pseudo-range difference;
基于伪距差分的三星无源北斗/SINS组合导航系统
3) Beidou double-star
北斗双星
1.
The fiber strapdown inertial navigation system (FSINS)/dead reckoning (DR)/Beidou double-star integrated navigation scheme is proposed aiming at the need of land fighting-vehicle independence positioning.
针对陆地战车的自主性定位需求,提出了一种新型光纤捷联惯导系统(FSINS)/DR/北斗双星组合导航系统方案,研究了多种子导航系统的测量信息融合技术。
4) traceability
[英][,treisə'biləti] [美][,tresə'bɪlətɪ]
溯源
1.
Progress in the application of isotopic fingerprint analysis to food origin traceability;
同位素指纹分析技术在食品产地溯源中的应用进展
2.
Recommendation of Traceability of the Value of Quantity of Natural Gas Flow Rate of the West-to-East Natural Gas Transmission;
对西气东输工程天然气流量量值溯源的建议
3.
Study of Field Traceability of Visual Inspection System of IVECO Body;
IVECO车身视觉检测系统现场溯源研究
5) Trace to the source
溯源
1.
The method trace to the source of the voltage transformer detection installation based on high-voltage deduced method;
基于高压外推法的电压互感器检测装置的溯源方法
6) origin
[英]['ɔrɪdʒɪn] [美]['ɔrədʒɪn]
溯源
1.
The restraining criminal law is pursued as a kind of value to the criminal law by exploring its origin.
通过对刑法谦抑性的溯源可知,刑法谦抑性本质上是人们对刑法的一种价值诉求。
2.
The problems are: some allusions are mistaken for non-allusions, some non - allusions are regarded as allusions, and some allusions are not given their true origins.
古籍整理与辞书编纂中关于典故溯源所出现的问题是：典作非典；非典作典；是典而非其源。
3.
This paper is to explore the cause and origin of Liuzhou fantastic stones,to add rich connotation to fantastic culture and promote its association and prosperity.
柳州奇石甲天下,其形成与发展既有赖于大自然的无偿赠与,也有赖于浓浓的历史文化遗留,对柳州奇石文化的形成与发展进行探讨和溯源,丰富了奇石文化的内涵并促进其交流与繁荣。
补充资料：北斗
| 北斗 Big Dipper 大熊座中排成勺形的7颗星。从勺子前端到勺柄依次为大熊座 a、β、γ、δ、ε 、ζ 和η ，相应的中名为天枢、天璇、天玑、天权、玉衡、开阳和摇光。连接天璇和天枢并延长约 5 倍，便是亮度与北斗七星相差不大的小熊座a ，即北极星。北斗离北天极不远，非常容易识别。因为不同时间、不同季节勺柄指向不同，因此北斗可以帮助人们辨别方向和估计时间。北斗七星离地球的距离不等， 大致在60～200多光年之间。由于恒星自行，北斗七星的形状会缓慢变化。
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说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条