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浏览/检索结果: 共9条，第1-9条 帮助 限定条件 专题：北京大学    第一署名单位    第一作者单位    通讯作者单位     已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Beyond 200G Direct Detection Transmission With Nyquist Asymmetric Twin-SSB Signal at C-Band 期刊论文 JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017 Zhu, Yixiao; Ruan, Xiaoke; Zou, Kaiheng; Zhang, Fan 收藏  |  浏览/下载：16/0  |  提交时间：2017/12/03 Direct detection  Nyquist pulse shaping  single sideband  signal-signal beat interference  SUBCARRIER MODULATION   800 Gb/s (8 x 100 Gb/s) Nyquist Half-Cycle Single-Sideband Modulation Direct-Detection Transmission Over 320 km SSMF at C-band 期刊论文 JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017 Zou, Kaiheng; Zhu, Yixiao; Zhang, Fan 收藏  |  浏览/下载：46/0  |  提交时间：2017/12/03 Digital signal processing  direct detection  fiber nonlinearity  Nyquist pulse shaping  optical fiber communication  single sideband signaling  subcarrier modulation  wavelength division multiplexing  SUBCARRIER MODULATION   2.166Tb/s, 7.88b/s/Hz, PDM-64-QAM nyquist-WDM transmission over 155km SSMF using monolithic optical frequency comb generator 其他 2015-01-01 Zhang, Cheng; Zheng, Zhennan; Wang, Dan; Xie, Xiaopeng; Zhang, Fan; Chen, Zhangyuan 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 A Low-Noise Interface for MEMS Vibration Gyroscope Based on a Novel Power-Efficient C/V Conversion Structure 其他 2015-01-01 Chu, Hai; Lu, Wengao; Liu, M. X.; Zhao, Meng; Li, X. L.; Liu, Dahe; Zhang, L. Y.; Chen, Zhongjian; Zhang, Yacong 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 low noise  capacitor bridge  gyroscope interface  sigma-delta modulation   A Low-Noise Interface for MEMS Vibration Gyroscope Based on a Novel Power-Efficient C/V Conversion Structure 其他 2015-01-01 Hai Chu; Wengao Lu; M.X. Liu; Meng Zhao; X.L. Li; Dahe Liu; L.Y. Zhang; Zhongjian Chen; Yacong Zhang 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 low noise  capacitor bridge  gyroscope interface  sigma-delta modulation   Terabit Nyquist PDM-32QAM signal transmission with training sequence based time domain channel estimation 期刊论文 光学快报, 2014 Zhang, Fan; Wang, Dan; Ding, Rui; Chen, Zhangyuan 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/13 SSMF   Above- and belowground biomass in relation to environmental factors in temperate grasslands, Inner Mongolia 期刊论文 science in china series c life sciences, 2008 Ma WenHong; Yang YuanHe; He JinSheng; Hui, Zeng; Fang JingYun 收藏  |  浏览/下载：3/0  |  提交时间：2015/11/13 temperate grasslands  aboveground biomass (AGB)  belowground biomass (BGB)  spatial pattern  vertical distribution  precipitation  NET PRIMARY PRODUCTIVITY  CARBON STORAGE  TERRESTRIAL BIOMES  PATAGONIAN STEPPE  ORGANIC-CARBON  CHINA  CLIMATE  ROOTS  VEGETATION  DIVERSITY   Storage, patterns and controls of soil organic carbon in the Tibetan grasslands 期刊论文 全球变化生物学, 2008 Yang, Yuanhe; Fang, Jingyun; Tang, Yanhong; Ji, Chengjun; Zheng, Chengyang; He, Jinsheng; Zhu, Biao 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/12 alpine grasslands  enhanced vegetation index  mean annual temperature  Qinghai-Tibetan Plateau  soil moisture  soil organic carbon  soil texture  NET PRIMARY PRODUCTION  CO2 EXCHANGE  CHINA  CLIMATE  DECOMPOSITION  VEGETATION  TURNOVER  PLATEAU  BIOMASS  TEMPERATURE   A multi-agent system for e-business processes monitoring in a web-based environment 其他 2004-01-01 Zhao, XY; Wu, C; Zhang, RJ; Zhao, C; Lin, ZQ 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/16 business processes monitoring  BDI  agent  capability  web services