tec相关论文
设计了一种高稳定性的激光器驱动电路。激光器驱动电路硬件主要包括温控模块、恒流驱动模块以及电流调谐模块,电路设计采用STM32微......
在光模块工作过程中,激光器温度的变化会导致输出波长漂移,进而造成通道间串扰增加和传输可靠性下降等问题。在传统100G LR4光模块的......
电离层是高空大气层的重要组成部分,不仅保护着地球免受太阳紫外辐射与宇宙高能粒子的直接作用,也影响着无线电波的传播,与人类的......
地震作为突发性、难以预测性、强破坏性的自然灾害之一,一直以来是各国学者研究的热点、重点、难点。洋陆俯冲带是全球构造活跃、......
Technoeconomically competitive four-terminal perovskite/graphene-silicon tandem solar cells with ove
Perovskite/Silicon (PS) tandem solar cells have attracted much interest over recent years.However,the most popular cryst......
量热法可用于表征放射性核素衰变热功率;基于热平衡模式的量热系统,测量过程对测试环境波动较为敏感,测量精度受环境温度影响较大,......
随着卫星时代的到来,通过电磁卫星对地球电离层各参量进行监测和分析已经成为地震预报的重要手段,在地震预报方向应用十分广泛。我......
全球卫星导航系统(Global Navigation Satellite System,GNSS)因其全天候全球监测、高精度等优点,使得利用GNSS观测数据精确提取电离......
The global navigation satellite system(GNSS)has the advantages of high precision,high temporal resolution and low cost.T......
The ionosphere is an important component of the solar-terrestrial space environment,and the ionospheric delay error is o......
With worldwide increased Global Navigation Satellite System (GNSS) receivers,it is possible to obtain the ionospheric to......
The paper presents to derive the TEC over Japan,and estimate the biases of satellites and GPS receivers for GEONET syste......
介绍了Klobuchar和ARMA(p,q)电离层TEC预报模型的基本原理.利用IGS提供的GPS导航电文中的Klobuchar模型的8个系数,对Klobuchar模型......
利用GPS可探测地震相关的电离层异常扰动,尤其是同震电离层扰动.2015年4月25日06:11:25 UT尼泊尔境内发生了震级M7.8的强烈地震.针对......
The dark current noise existing in the CCD of the astronomical observation camera has a serious influence on its working......
Synthesis and Characterization of Novel Layered Perovskite Oxide Y0.8Ca0.2BaCoFeOs+δCathode Material
A novel iayed perovskite oxide intermediate-temperature solid oxide fuel cells (IT-SOFCs) cathode material Y0.8Ca0.2BaCo......
TEC 是电子密度沿路径的积分,根据一定的模式假设,可以将沿倾斜路径的TEC 观测转化为星下点位置的垂直TEC.最常用的假设是背景电离......
为了研究地震与电离层的耦合关系,利用CODE根据IGS观测站的GPS资料解算的全球电离层TEC资料,分析了2012年4月11日苏门答腊8.6级地震......
基于对实测数据的统计分析,提出一种较为合理而且实际可行的电离层TEC内插方法-自相关分析法。采用上海GPS监测网2004年数据,换算......
Multi-instrument study of longitudinal wave structures for plasma bubble seeding in the equatorial i
Large Scale Wave Structures (LSWS) in the equatorial ionospheric F-region were observed by measuring spatial and tempora......
Multi-instrument study of longitudinal wave structures for plasma bubble seeding in the equatorial i
Large Scale Wave Structures(LSWS)in the equatorial ionospheric F-region were observed by measuring spatial and temporal ......
2019年6月17日四川宜宾市长宁县发生M_S6.0地震。为了检测地震电离层电子浓度总含量(TEC)异常变化,采用自回归滑动平均模型(ARIMA)......
使用中国地壳运动观测网络和美国喷气动力实验室的GPS TEC数据,通过滑动四分位法,对2019年8月2日印度尼西亚苏门答腊岛南部海域6.8......
随着电子器件应用领域的拓宽,在航天航空、地下井勘探和核反应堆等高温(100~600℃)工作环境下,电子器件和其他无源器件的散热条件开......
雅富顿化学公司宣布推出全球首个电动变速箱油(ETF)添加剂,该添加剂是为具有多速系统的直接冷却电动机而开发的。HiTEC®35701较早......
本文着重介绍了美国Dow公司、Monsanto公司及日本MTC—TEC公司的GPPS(通用级聚苯乙烯)连续本体工艺的进展及其特点,并进行了技术经......
The ionospheric TEC in the sunlit boundary region during outburst of the great flare on Oct. 28, 2003 is analyzed using ......
以IGS发布的电离层总电子含量(total electron content,TEC)数据为样本,利用时间序列分析进行预报。将TEC时间序列分解为趋势项、......
目的 探讨~(99)Tc~m-氧基异丁基异腈(~(99)Tc~m-MIBI)SPECT评估非小细胞肺癌(NSCLC)化疗疗效的价值.方法 71例NSCLC患者根据胸部CT......
The Shangxi Group is the local name in southern Anhui Province and it is believed to be the equivalence of the well-know......
对音乐的热爱,夏季多日的暴雨或暴晒的天气也无法阻挡车主对音响升级的热情,行驶里程仅37公里,别克新君越新车下地直接从4S店开到......
利用1982年至1990年在新乡接收ETS-Ⅱ同步卫星136MHz信标所取得的电离层总电子含量TEC月中值和相应的F2层临界频率,计算了电离层板厚......
THE continental dynamics has become a goaI since the beginning of the 1990s and it will still bethe key subject in the ......
Three experiments are carried out for earthquake monitoring using electromagnetic (EM) methods in recent years. Some ear......
2017年4月17~22日,全球最具影响力的中国国际机床展览会(CIMT2017)在北京隆重召开。全球领先的金属切削解决方案专家——瓦尔特携......
On the basis of the geological data from 220 intrusions and isotope ages of 115 rock bodies, the paper discusses the di......
1996年7月24日,在北京友谊宾馆友谊宫,北京商融电子机具有限公司举办了“北京商融公司TEC商业系统设备展示介绍会”,会议邀请了在京的......
为了获得高频可调谐光子微波信号源,设计了一种基于单片机的高精度TEC温度控制器,其控制芯片采用新华龙C8051F023单片机,通过数字......
Geochemistry of the subduction-related magmatic rocks in the Dahong Mountains, northern Hubei Provin
The existence and subduction of the eastern Mianl黣 oceanic basin in the south Qinling belt are keys to understand the Q......
6月2日,享誉世界的东芝TEC电子收款机开始在北京商融电子机具有限公司(东芝TEC投资的中外合资企业)深圳分公司正式投入生产。此举是......
Study on Active Faults and Seismogenic Structure for the 1989 Batang M6.2~6.7 Earthquake Swarm in th
Fault structures in the Litang-Batang region of West Sichuan are mainly sub-longitudinal and a set of NNE- and NW-trendi......
Cenozoic evolution of tectono-fluid and metallogenic process in Lanping Basin, western Yunnan Provin
Since the Mesozoic, abundant metal and salt deposits have been formed in the Lanping Basin, western Yunnan Province, Sou......
The sediment macro-distribution patterns and their evolutionary characteristics in the South China Sea (SCS) are discuss......
Effect of Chitooligosaccharides Plant Growth Regulators on the Growth and Secondary Metabolites of S
[Objective] To study the effect of chitooligosaccharides plant growth regulators on the growth and secondary metabolites......
南极DAV1 站和北极NYAL 站位于准地磁共轭位置,利用两站2012~2013年电离层TEC 数据,对两站TEC 变化和互相关特性进行了分析,主要有......
自上世纪60年代科学家发现电离层扰动与地震发生具有关联性以来,震前电离层TEC与NmF2扰动就成为了一个新的地震预测的研究方向.随......