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浏览/检索结果: 共6条，第1-6条 帮助 限定条件 发表日期：2019    专题：北京航空航天大学    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 High-efficiency fluorescence collection for NV- center ensembles in diamond 期刊论文 OPTICS EXPRESS, 2019, 卷号: 27, 页码: 10787-10797 作者:  Xu, Lixia;  Yuan, Heng;  Zhang, Ning;  Zhang, Jixing;  Bian, Guodong 收藏  |  浏览/下载：22/0  |  提交时间：2019/12/30 Efficiency  Refractive index  Signal to noise ratio  Collection efficiency  Fluorescence detection system  Fluorescence intensities  Microscope objective  Negatively charged  Nitrogen vacancies  Quantum metrology  Total internal reflections  Fluorescence   Semi-codeless based P(Y) code autocorrelation GNSS-R sea surface altimetry method [基于半无码的P(Y)码自相关GNSS-R海面测高方法] 期刊论文 Beijing Hangkong Hangtian Daxue Xuebao/Journal of Beijing University of Aeronautics and Astronautics, 2019, 卷号: 45, 页码: 398-404 作者:  Fan, M.;  Zhang, B.;  Wang, F. 收藏  |  浏览/下载：34/0  |  提交时间：2019/12/30 Autocorrelation  Codes (symbols)  Error correction  Salinity measurement  Signal to noise ratio  Surface waters  Autocorrelation methods  Codeless  Cross correlation methods  Dual frequency  Ionospheric delay corrections  Measurement accuracy  Sea surfaces  Theoretical modeling  C (programming language)   Machine Learning Based Antenna Design for Physical Layer Security in Ambient Backscatter Communications 期刊论文 WIRELESS COMMUNICATIONS & MOBILE COMPUTING, 2019, 卷号: 2019 作者:  Hong, Tao;  Liu, Cong;  Kadoch, Michel 收藏  |  浏览/下载：31/0  |  提交时间：2019/12/30 Antenna arrays  Artificial intelligence  Backscattering  Dipole antennas  Directive antennas  Genetic algorithms  Internet of things  Learning systems  Log periodic antennas  Microstrip antennas  Network layers  Signal to noise ratio  Slot antennas  Communication quality  Directional communications  Dual-dipole antennas  Internet of thing (IOT)  Multi-objective genetic algorithm  Physical layer security  Radiofrequency signals  Side lobe level (SLL)  Antenna lobes   Rules-of-thumb to design a uniform spherical array for direction finding-Its Cramer-Rao bounds' nonlinear dependence on the number of sensors 期刊论文 JOURNAL OF THE ACOUSTICAL SOCIETY OF AMERICA, 2019, 卷号: 145, 页码: 714-723 作者:  Wong, Kainam Thomas;  Morris, Zakayo Ndiku;  Nnonyelu, Chibuzo Joseph 收藏  |  浏览/下载：15/0  |  提交时间：2019/12/30 Acoustics  Physics  Array design  Arrival angles  Direction finding  Estimation precision  Incident signals  Nonlinear dependence  Signal-to-noise power ratio  Spherical array  Signal to noise ratio   Fault diagnosis method and application based on unsaturated piecewise linear stochastic resonance 期刊论文 REVIEW OF SCIENTIFIC INSTRUMENTS, 2019, 卷号: 90, 页码: 065112 作者:  Li, Zhixing;  Liu, Xiandong;  Han, Songjiu;  Wang, Jianguo;  Ren, Xueping 收藏  |  浏览/下载：5/0  |  提交时间：2019/12/30 Circuit resonance  Failure analysis  Magnetic resonance  Piecewise linear techniques  Roller bearings  Signal detection  Signal to noise ratio  Stochastic systems  Bearing fault diagnosis  Bistable stochastic resonance  Fault diagnosis method  Output signal-to-noise ratios  Piecewise linear modeling  Potential parameters  Stochastic resonances  Weak signal detection  Fault detection  article  height  signal detection  signal noise ratio  simulation  stochastic model   Boosting Ranging Performance of LiDAR Using Multi-Pulse Coherent Average 期刊论文 IEEE SENSORS JOURNAL, 2019, 卷号: 19, 页码: 6270-6278 作者:  Li, Xiaolu;  Luo, Pei 收藏  |  浏览/下载：8/0  |  提交时间：2019/12/30 ADC-based LiDAR  multi-pulse coherent average (MCA)  SNR times precision (STP)  signal-to-noise ratio (SNR)  ranging performance