机构

• 长春光学精密机械与物... [1]
• 生态环境研究中心 [1]

采集方式

• OAI收割 [2]

内容类型

• 会议论文 [1]
• 期刊论文 [1]

发表日期

• 2017 [1]
• 2011 [1]

学科主题

筛选

浏览/检索结果: 共2条，第1-2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 Atmospheric behaviors of particulate-bound polycyclic aromatic hydrocarbons and nitropolycyclic aromatic hydrocarbons in Beijing, China from 2004 to 2010 期刊论文  OAI收割 ATMOSPHERIC ENVIRONMENT, 2017, 卷号: 152, 期号: 0, 页码: 354-361 作者:  Kameda, Takayuki;  Hayakawa, Kazuichi;  Toriba, Akira;  Lin, Jinming;  Zhao, Lixia   |  收藏  |  浏览/下载：18/0  |  提交时间：2018/07/26 Pahs  Npahs  Air Pollution  Source Control Measure  Beijing   Design of programmable near infrared cold light source (EI CONFERENCE) 会议论文  OAI收割 2011 International Conference on Electronics and Optoelectronics, ICEOE 2011, July 29, 2011 - July 31, 2011, Dalian, China 作者:  Fu Q.;  Wang B.;  Wang B.;  Wang R. 收藏  |  浏览/下载：30/0  |  提交时间：2013/03/25 In the near infrared spectroscopy  detector of Charge-coupled Device requires very high stability for light source. We design the cold light source in the measurement of near infrared spectroscopy. Cold light source consists of high-power op amp OPA549 high current constant current source and proportion integral differential (PID) control algorithm. As is shown in the experimental results  the method is better  the overshoot is very small  the stability is excellent in the process of soft-start. While light intensity was able to meet the requirements of near-infrared instruments to measure. 2011 IEEE.