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浏览/检索结果: 共5条，第1-5条 帮助 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 Real-time kinematic positioning algorithm with GNSS and high-frequency accelerometer observations for broadband signals 期刊论文 MEASUREMENT SCIENCE AND TECHNOLOGY, 2020, 卷号: 31, 期号: 3, 页码: 9 作者:  Tu, Rui;  Liu, Jinhai;  Zhang, Rui;  Fan, Lihong;  Zhang, Pengfei 收藏  |  浏览/下载：14/0  |  提交时间：2020/11/11 real-time kinematic positioning  broadband signals  GNSS  ambiguity resolution  baseline error  deformation monitoring   Compact broadband circularly-polarised directional universal GNSS antenna with symmetric radiation pattern and stable near-zenith coverage 期刊论文 IET MICROWAVES ANTENNAS & PROPAGATION, 2017, 卷号: Vol.11 No.5, 页码: 657-663 作者:  Liu, Q;  Li, Y;  Mo, ZG;  Liu, YA 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/31 satellite navigation  directive antennas  broadband antennas  antenna radiation patterns  antenna feeds  UHF antennas  power dividers  phase shifters  electromagnetic wave polarisation  compact broadband circularly-polarised directional universal GNSS antenna  symmetric radiation pattern  near-zenith coverage  CP antennas  global navigation satellite system  circular radiating patch  semisector-annulus sheets  compact broadband four-feed circuit  out-of-phase power splitter  coupled-line power dividers  broadband phase shifters  output magnitude distribution  high-precision feed signals  gain variation  CP bandwidth  symmetric patterns  street canyons  mountainous area  frequency 1  13 GHz to 2  51 GHz   Anomalous signals prior to Wenchuan earthquake detected by superconducting gravimeter and broadband seismometers records 期刊论文 JOURNAL OF EARTH SCIENCE, 2011, 卷号: 22, 期号: 5 作者:  Shen, Wenbin;  Wang, Dijin;  Hwang, Cheinway 收藏  |  浏览/下载：1/0  |  提交时间：2019/12/05 superconducting gravimeters  broadband seismometers  anomalous signals  Wenchuan earthquake   Speech enhancement in cockpit using arithmetic joining method 期刊论文 Hangkong Xuebao/Acta Aeronautica et Astronautica Sinica, 2009, 卷号: 30, 期号: 7, 页码: 1203-1207 作者:  Gao, Qian;  Liu, Mabao;  Yue, Kaixian 收藏  |  浏览/下载：2/0  |  提交时间：2019/12/18 Broadband noise  Listening tests  Noise  Program language  Short time Fourier transforms  Speech enhancement methods  Speech enhancement system  Speech signals   Two-dimensional direction of arrival estimation of broadband signals via generalized spectral correlation signal subspace fitting 期刊论文 Hsi-An Chiao Tung Ta Hsueh/Journal of Xi'an Jiaotong University, 2000, 卷号: 34, 期号: 12, 页码: 15-19 作者:  Jin, Liang;  Wang, Wenjie;  Jiang, Bofeng;  Yin, Qinye 收藏  |  浏览/下载：2/0  |  提交时间：2020/01/07 Array processing  Broadband signals  DOA