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浏览/检索结果: 共15条，第1-10条 帮助 限定条件 发表日期：2017    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 Van Allen Probes observation of a 360 degrees phase shift in the flux modulation of injected electrons by ULF waves 期刊论文 GEOPHYSICAL RESEARCH LETTERS, 2017 Chen, X.R.; Zong, Q.G.; Zhou, X.Z.; Blake, J. Bernard; Wygant, J. R.; Kletzing, C. A. 收藏  |  浏览/下载：4/0  |  提交时间：2017/12/03 CHARGED-PARTICLE BEHAVIOR  RADIATION-BELT ELECTRONS  RELATIVISTIC ELECTRONS  ENERGETIC ELECTRONS  GEOSTATIONARY ORBIT  INNER MAGNETOSPHERE  SPACE DENSITY  ACCELERATION  SUBSTORMS  SIMULATION   一种用于高场MRI的多源射频发射机 期刊论文 波谱学杂志, 2017 何刚; 王为民 收藏  |  浏览/下载：7/0  |  提交时间：2017/12/03 高场  磁共振成像(MRI)  多源射频发射机  软件无线电  现场可编程门阵列(FPGA)  high-field  MRI  multi-channel radiofrequency transmitter  software defined radio  field programmable gate array (FPGA)   Magnetic-control multifunctional acoustic metasurface for reflected wave manipulation at deep subwavelength scale 期刊论文 SCIENTIFIC REPORTS, 2017 Chen, Xing; Liu, Peng; Hou, Zewei; Pei, Yongmao 收藏  |  浏览/下载：2/0  |  提交时间：2017/12/03 SOUND  PROPAGATION   Multiple-Mode Orthogonal Frequency Division Multiplexing With Index Modulation 期刊论文 IEEE TRANSACTIONS ON COMMUNICATIONS, 2017 Wen, Miaowen; Basar, Ertugrul; Li, Qiang; Zheng, Beixiong; Zhang, Meng 收藏  |  浏览/下载：12/0  |  提交时间：2017/12/03 OFDM  index modulation  in-phase/quadrature components  log-likelihood ratio (LLR)  maximum-likelihood (ML)  bit error rate (BER)  SPATIAL MODULATION  OFDM  DETECTOR  PERFORMANCE   Torsional frequency mixing and sensing in optomechanical resonators 期刊论文 APPLIED PHYSICS LETTERS, 2017 Huang, J. G.; Cai, H.; Gu, Y. D.; Chin, L. K.; Wu, J. H.; Chen, T. N.; Yang, Z. C.; Hao, Y. L.; Liu, A. Q. 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 STANDARD QUANTUM LIMIT  MAGNETOMETRY   Phase Noise Estimation and Suppression for PDM CO-OFDM/OQAM Systems 期刊论文 JOURNAL OF LIGHTWAVE TECHNOLOGY, 2017 Fang, Xi; Zhang, Fan 收藏  |  浏览/下载：34/0  |  提交时间：2017/12/03 Coherent communication  laser phase noise  optical communication  orthogonal frequency-division multiplexing/offset quadrature amplitude modulation (OFDM/OQAM)  phase noise estimation  COHERENT OPTICAL OFDM  CHANNEL ESTIMATION  SINGLE PHOTODIODE  TRANSMISSION  OFFSET  SSMF  SUPERCHANNEL  TOLERANCE  FIBER  COMPENSATION   Pseudo pilot-aided OFDM system with high spectral efficiency for high performance coaxial transmission 期刊论文 SCIENCE CHINA-INFORMATION SCIENCES, 2017 Liu, Yue; Yang, Chuanchuan; Li, Hongbin 收藏  |  浏览/下载：36/0  |  提交时间：2017/12/03 orthogonal frequency division multiplexing (OFDM)  high performance network over coax (HINOC)  phase noise  pseudo pilots  broadcasting  PHASE NOISE   Spin dynamics of magnetic resonance with parametric modulation in a potassium vapor cell 期刊论文 CHINESE PHYSICS B, 2017 Zhang, Rui; Wang, Zhi-Guo; Peng, Xiang; Li, Wen-Hao; Li, Song-Jian; Guo, Hong 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 atomic magnetometer  magnetic resonance  parametric modulation  LEVEL-CROSSING RESONANCES  ZERO-FIELD   Wavelength Reuse for Short-Reach Optical Access Network Utilizing MDM 期刊论文 IEEE PHOTONICS JOURNAL, 2017 Chen, Yuanxiang; Li, Juhao; Zhu, Jinglong; Zhu, Paikun; Tian, Yu; Peng, Huangfa; Xu, Yongchi; Chen, Jingbiao; He, Yongqi; Chen, Zhangyuan 收藏  |  浏览/下载：37/0  |  提交时间：2017/12/03 Wavelength reuse  mode-division-multiplexing (MDM)  Rayleigh backscattering  WDM-PON  TRANSMISSION  FIBER  FRONTHAUL   Novel programmable microwave photonic filter with arbitrary filtering shape and linear phase 期刊论文 OPTICS EXPRESS, 2017 Zhu, Xiaoqi; Chen, Feiya; Peng, Huanfa; Chen, Zhangyuan 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 SEMICONDUCTOR OPTICAL AMPLIFIERS  BANDPASS FILTER  POLARIZATION MODULATOR  BRAGG GRATINGS  INP-INGAASP  SLOW LIGHT  COEFFICIENTS  SHIFTER  COMPENSATION  TUNABILITY