本书是介绍OPNET工具支持物联网研究的书，并且介绍了物联网的各种版本，包括以人为中心的物联网、绿色物联网、窄带物联网、智能物联网、物联网云集成，提供了OPNET物联网仿真代码，并对模型的功能进行了详细的说明。
This book introduces OPNET tools to support the Internet of things research, and introduces various versions of the Internet of things, including people-centered Internet of things, green Internet of things, narrowband Internet of things, intelligent Internet of things, cloud integration of the Internet of things, provides OPNET Internet of things simulation code, and describes the function of the model in detail. (2020-05-13, PDF, 25577KB, 下载14次)
大型电力变压器短路情况下绕组所受电动力论文, 供电气专业学习参考
POWER TRANSFORMER, SHORT CIRCUIT, WINDING, DYNAMIC FORCE (2020-04-16, PDF, 714KB, 下载0次)
卫星气象中心发布的NOAA卫星数据格式文档。
NOAA 1B satellite data format guide by NSMC. (2020-01-08, PDF, 908KB, 下载1次)
以永磁体励磁多极直驱式同步风力发电机组(PMSG)为对象，建立了包括风力机模型、传动系统模型和发电机模型的D—PMsG数学模型，提出了风力机桨距角和发电机转速的控制策略
A d-pmsg mathematical model including wind turbine model, transmission system model and generator model was established, and the control strategy of pitch Angle and generator speed was proposed (2019-02-27, PDF, 444KB, 下载24次)
针对当前食品追溯系统由于技术标准不统一，信息不透明、易篡改，中心化及信息孤岛严重，追溯系统建设效果不理想这一缺陷，通过探讨食品追溯关键标准与技术，建立了
物联网加区块链的食品安全追溯系统架构，设计了食品追溯流程，并采用联盟链模式和超级账本区块链开发平台，实现了一个食品安全追溯原型系统。结果表明，物联网加区块链的技术方案可以提高食品供应链效率和透明度，重建消费者对食品行业的信心。
According to the short comings of current food traceability. (2019-01-29, PDF, 2184KB, 下载7次)
为解决农产品追溯系统中出现的数据易篡改问题，利用区块链的相关技术，提出了基于联盟区块链的农产品追溯系统架构模型，比较了该系统架构在网络结构、数据存储和数据管理方面的优势，解决了因有中心而易受网络攻击的问题，提高了系统的鲁棒性、数据的可信度和可靠性; 同时结合实际案例论证了该系统架构实际应用的可行性。
Aiming at the problem of data tampering in agricultural product traceability system, this paperproposed an agricultural product traceability system architecture model based on alliance blockchain byusing the relevant technology of blockchain,and compared the system architecture in network structure,data storage and data management.The problem of being vulnerable to network attacks due to the centerwas solved.The robustness of the system,the credibility and reliablity of the data were improved.At thesame time,the feasibility of the practical application of the system architecture was demonstrated incombination with actual cases. (2019-01-29, PDF, 971KB, 下载3次)
2018 年5 月 20 日，工业和信息化部信息中心发布《2018 中国区块链产业白皮书》（简称《白皮书》），深入分析我国区块链技术在金融领域和实体经济的应用落地情况，系统阐述中国区块链产业的发展的六大特点和六大趋势。
White paper on China's chain industry in 2018 (2019-01-11, PDF, 2235KB, 下载7次)
智能配电柜也即是精密配电柜，是一款针对数据中心机房能源末端，综合采集所有能源数据的配电柜
Intelligent distribution cabinet is also called precision distribution cabinet. It is a distribution cabinet aiming at the energy end of the data center machine room and collecting all energy data comprehensively (2018-12-19, PDF, 9538KB, 下载3次)
1针对国内外混合动力技术研究现状， 对混合动力履带推土机传动系统进行分析
选型， 确定其为双侧电动机独立驱动结构，并对推土机在直线、 转向和正常铲土作业时
的受力进行分析。
2. 提出超级电容式混合动力履带推土机整车控制策略，并且根据实际工况包括空
载直驶、转向、原地中心转向、 铲土工作等工况，并画出详细的控制流程图，并进行分
析。
According to the research status of hybrid power technology at home and abroad, the transmission system of hybrid crawler bulldozer is analyzed.
Selection and determination of the double-side motor drive structure, and bulldozers in a straight line, steering and normal shovel operation
Stress analysis.
2. The whole vehicle control strategy of the super-capacitive hybrid crawler bulldozer is put forward, and it includes air according to the actual working conditions.
Direct driving, steering, in-situ center steering, shoveling and other working conditions, and draw a detailed control flow chart, and divided
Analysis. (2018-08-29, PDF, 1556KB, 下载2次)
区域数字化病理中心建设探索及实践 说明啊啊啊啊啊
Regional exploration (2018-03-15, PDF, 1296KB, 下载1次)
门卫访客登记模板，顺序，来访-登记-访问-登记-离开
menwei fangke dengji mub, shunxu, laif-dengji-fangwen-dengji-likai (2017-12-19, PDF, 21KB, 下载1次)
介绍了一种新型光网络，适用于数据中心及超算，是最新的技术。
This paper introduces a new optical network, which is suitable for data center and supercomputing. It is the latest technology. (2017-11-08, PDF, 34KB, 下载1次)
NASA中心内部资料，国外可重复使用运载器轨迹优化研究进展
Overview of some optimal control methods adapted to expendable and reusable launch vehicle trajectories
Nicolas Berend ，Christophe Talbot (2011-03-22, PDF, 218KB, 下载24次)
W5300 2010.9.29发布的最新资料！版本1.2.5，上传此资料，以方便工程人员及时更新，掌握最新闻的资料，更好地设计产品
W5300 2010.9.29 to the latest information! Version 1.2.5, upload this information to facilitate the engineering staff to update, control the news information to better design products (2010-11-06, PDF, 1408KB, 下载43次)
通原实验开放办法,JI 实验中心开放办法（暂行）
Open way through the original experiment, JI experimental centers are open (Provisional) (2010-06-03, PDF, 2679KB, 下载2次)
该论文是华南理工大,赣南师范学院，中国科学院空间科学与应用研究中心一起编写的关于压缩感知理论的初步知识，供初学者参考
South China University of the paper is large, Gannan Normal University, Chinese Academy of Space Science and Applied Research Center, prepared by the preliminary knowledge of the theory of compressed sensing for advanced users (2010-03-27, PDF, 333KB, 下载193次)
对于彩色超声成像中的幅值和相位的提取中，考虑到中心频率会随着深度下移的现象，对其下移程度进行了研究。
For color Doppler imaging in the amplitude and phase extraction, taking into account the depth of the center frequency will be down with the phenomenon, the extent of its downward studied. (2010-03-07, PDF, 420KB, 下载18次)