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浏览/检索结果: 共10条，第1-10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 Design and characterization for a high-temperature dual-band radome wall structure for airborne applications 期刊论文 MATERIALS & DESIGN, 2017 Zhou, Licheng; Liu, Zejia; Tang, Liqun; Pei, Yongmao 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Radome wall structure  High-temperature  Dual-band  Transmission measurement  Calibration  ELECTROMAGNETIC OPTIMAL-DESIGN  FREE-SPACE  DIELECTRIC-PROPERTIES  COMPLEX PERMITTIVITY  SANDWICH RADOME  MICROWAVE CHARACTERIZATION  ANTENNA  SYSTEM  LIGHTWEIGHT  FREQUENCIES   Fingertip-inspired electronic skin based on triboelectric sliding sensing and porous piezoresistive pressure detection 期刊论文 NANO ENERGY, 2017 Chen, Haotian; Miao, Liming; Su, Zongming; Song, Yu; Han, Mengdi; Chen, Xuexian; Cheng, Xiaoliang; Chen, Dongmin; Zhang, Haixia 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Fingertip-inspired  Porous carbon nanotube elastomer  Triboelectric generator  Self-powered sliding sensing  Porous piezoresistive detection  25TH ANNIVERSARY ARTICLE  SENSORS  NANOGENERATOR  STRAIN  ENERGY  TOUCH  DESIGN  ARRAYS   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   Occurrence of illicit drugs in surface waters in China 期刊论文 ENVIRONMENTAL POLLUTION, 2016 Li, Kaiyang; Du, Peng; Xu, Zeqiong; Gao, Tingting; Li, Xiqing 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 Occurrence  Illict drugs  Methamphetamine  Ketamine  Surface water  China  PERSONAL CARE PRODUCTS  WASTE-WATER  ENDOCRINE DISRUPTORS  NATURAL PARK  LC-MS/MS  ABUSE  PHARMACEUTICALS  REMOVAL  SPAIN  METABOLITES   Fusion of space-borne multi-baseline and multi-frequency interferometric results based on extended Kalman filter to generate high quality DEMs 期刊论文 ISPRS JOURNAL OF PHOTOGRAMMETRY AND REMOTE SENSING, 2016 Zhang, Xiaojie; Zeng, Qiming; Jiao, Jian; Zhang, Jingfa 收藏  |  浏览/下载：11/0  |  提交时间：2017/12/03 Digital Elevation Model (DEM)  Interferometric Synthetic Aperture Radar (InSAR)  Fusion  Extended Kalman Filter (EKF)  Multi-baseline  Multi-frequency  SATELLITE RADAR INTERFEROMETRY  DIGITAL ELEVATION MODEL  SAR INTERFEROMETRY  PHASE STATISTICS  RECONSTRUCTION  INTERFEROGRAMS  PARAMETERS  LAYOVER   A novel superposed waveform method for damage detection of composite laminates 期刊论文 NONDESTRUCTIVE TESTING AND EVALUATION, 2016 Feng, Kan; Li, Zheng 收藏  |  浏览/下载：9/0  |  提交时间：2017/12/03 Vibration testing  operational deflection shapes  damage detection  composite laminate  UNIFORM LOAD SURFACE  FRACTAL DIMENSION  IDENTIFICATION   Using random walker for knowledge transfer in classifying multi-temporal VHR images 期刊论文 INTERNATIONAL JOURNAL OF REMOTE SENSING, 2015 Guo, Zhou; Du, Shihong; Zhao, Wenzhi 收藏  |  浏览/下载：3/0  |  提交时间：2017/12/03 REMOTE-SENSING DATA  LAND-COVER  ADAPTIVE CLASSIFICATION  MAXIMUM-LIKELIHOOD   Finding the Secret of Image Saliency in the Frequency Domain 期刊论文 IEEE TRANSACTIONS ON PATTERN ANALYSIS AND MACHINE INTELLIGENCE, 2015 Li, Jia; Duan, Ling-Yu; Chen, Xiaowu; Huang, Tiejun; Tian, Yonghong 收藏  |  浏览/下载：5/0  |  提交时间：2017/12/03 Image saliency  Fourier transform  spectral analysis  fixation prediction  learning-based  experimental study  REGION DETECTION  VISUAL SALIENCY  OBJECT DETECTION  DETECTION MODEL  VIDEO  ATTENTION  FEATURES  CONTRAST   Detection of saturated absorption spectroscopy at high sensitivity with displaced crossovers 期刊论文 光学通讯, 2011 Duan, Jun; Qi, Xianghui; Zhou, Xiaoji; Chen, Xuzong 收藏  |  浏览/下载：2/0  |  提交时间：2015/11/14 LASER  FEEDBACK   Crack detection in beams by wavelet analysis of transient flexural waves 期刊论文 声与振动学报, 2003 Tian, JY; Li, Z; Su, XY 收藏  |  浏览/下载：4/0  |  提交时间：2015/11/12 NATURAL FREQUENCIES  CANTILEVER BEAM  IDENTIFICATION  LOCATION