机构

• 南京天文光学技术研究... [2]
• 长春光学精密机械与物... [1]
• 沈阳自动化研究所 [1]

采集方式

• OAI收割 [4]

内容类型

• 会议论文 [3]
• 期刊论文 [1]

发表日期

• 2014 [1]
• 2012 [1]
• 2010 [1]
• 2008 [1]

学科主题

• 天文技术与方法::主... [1]
• 天文技术与方法::自... [1]
• 天文望远镜::射电望... [1]
• 天文望远镜::郭守敬... [1]
• 终端仪器::天文光谱... [1]

筛选

浏览/检索结果: 共4条，第1-4条 帮助 条数/页： 5101520253035404550556065707580859095100 排序方式： 请选择题名升序题名降序提交时间升序提交时间降序作者升序作者降序发表日期升序发表日期降序 An identity authentication and key agreement protocol based on industrial ethernet bus 期刊论文  OAI收割 Journal of Chemical and Pharmaceutical Research, 2014, 卷号: 6, 期号: 4, 页码: 382-387 作者:  Wang J(王军);  Li, Yongxin;  Hu JT(胡静涛) 收藏  |  浏览/下载：28/0  |  提交时间：2014/08/10 Authentication  Ethernet  Industry  Network security   Reflector adjustment for a large radio telescope based on active optics 会议论文  OAI收割 Amsterdam, Netherlands, 2012-7-1 作者:  Wang You;  Li Aihua;  Zhang Zhenchao;  Li Tongying 收藏  |  浏览/下载：21/0  |  提交时间：2014/01/12 13.7 m millimeter-wave telescope  Active surface  Displacement actuator  Intelligent controller  Controller Area Network /Ethernet protocol converter   The design of high speed image acquisition system over Gigabit Ethernet (EI CONFERENCE) 会议论文  OAI收割 2010 IEEE International Conference on Wireless Communications, Networking and Information Security, WCNIS 2010, June 25, 2010 - June 27, 2010, Beijing, China 作者:  Zhang W.;  He X.;  Zhang W. 收藏  |  浏览/下载：36/0  |  提交时间：2013/03/25 The applications based on traditional digital cameras have been limited by distance  cost and networking. Gigabit Ethernet is a data transmission standard based on the IEEE 802.3 protocol  brings several benefits to image transmission. In this paper  we compare the main features of Gigabit Ethernet and traditional digital camera interfaces. And  we design a high speed image acquisition system which overcomes these application limitations by allowing cameras to send imaging data over Gigabit Ethernet. In this system  we design a highly efficient  bidirectional conversion device based on FPGA  converts imaging data from a camera to IP packets based on UDP protocol  and sends it to PCs over inexpensive Cat-5 copper LAN cable. At the PC  the Cat-5 cable plugs into a standard Gigabit Ethernet NIC(network interface card)  eliminating the need for a frame grabber. An communications application software is used to acquire the network data  construct and display the image. A simple and efficient acknowledge and resend mechanism was used to guarantee packet delivery. The system architecture and the communication protocol are discussed in details  the experiment and results are presented in this paper. 2010 IEEE.   Design and realization of the real-time spectrograph controller for LAMOST based on FPGA 会议论文  OAI收割 Marseille, France, 2008-6-23 作者:  Zhongwen Hu;  Yongtian Zhu;  Zhen Wu;  Yi Chen;  Jianing Wang 收藏  |  浏览/下载：32/0  |  提交时间：2014/01/01 real-time spectrograph controller  Field Programmable Gate Array (FPGA)  System On Programmable Chip (SOPC)  NIOSⅡ  intellectual property (IP)  stepper motor  Ethernet network  LAMOST