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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：2018     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 measurement system based on laser photoelectric conversion for detecting weld pool oscillation frequency in continuous P-GTAW 期刊论文 Hanjie Xuebao/Transactions of the China Welding Institution, 2018, 卷号: 39, 期号: 1, 页码: 75-78 and 88 作者:  Li, Chunkai;  Shi, Yu;  Du, Leiming;  Gu, Yufen;  Zhu, Ming 收藏  |  浏览/下载：14/0  |  提交时间：2020/11/14 Electric welding  Fast Fourier transforms  Image processing  Signal to noise ratio  Time measurement  Welds  High sampling rates  Laser vision  Oscillation frequency  Photoelectric conversion  Real time measurements  Real-time detection  Weld pool  Welding conditions   High-Accuracy Joint Multi-CFO and Multi-TOA Estimation for Multiuser SIMO OFDM Systems 会议论文 作者:  Liu, Yujie;  Zhu, Xu;  Lim, Eng Gee;  Jiang, Yufei;  Huang, Yi 收藏  |  浏览/下载：20/0  |  提交时间：2019/11/26 Closed form solutions  Cramer Rao lower bound  High signal-to-noise ratio  Inter carrier interference  Multi-carrier frequencies  Multi-user single-input multiple outputs  Orthogonal frequency division multiplexing systems  Time of arrival estimation   Research on Transformer Winding Vibration and Propagation Characteristics 期刊论文 Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering, 2018, 卷号: 38, 页码: 2790-2798 作者:  Zhang, Fan;  Ji, Shengchang;  Shi, Yuhang;  Lu, Weifeng;  Li, Dajian 收藏  |  浏览/下载：11/0  |  提交时间：2019/11/26 Euler Bernoulli beams  High signal-to-noise ratio  Power ratio  Propagation characteristics  Propagation paths  Radial vibrations  Single-phase transformers  Vibration propagation   Noise reduction and signal to noise ratio improvement in magneto-optical polarization rotation measurement 期刊论文 CHINESE OPTICS LETTERS, 2018, 卷号: 16 作者:  Basharat, Muhammad;  Ding, Ming;  Li, Yang;  Cai, Hongwei;  Fang, Jiancheng 收藏  |  浏览/下载：10/0  |  提交时间：2019/12/30 Light polarization  Modulation  Rotation  Signal denoising  Common mode noise  Differential detection  Faraday modulation  High sensitivity  Optical differential method  Polarization rotation  Technological applications  Terbium gallium garnets  Signal to noise ratio   Infrared modulated thermography based on complex Morlet wavelet phase [基于复Morlet小波相位的红外调制热像检测方法] 期刊论文 Hongwai yu Jiguang Gongcheng/Infrared and Laser Engineering, 2018, 卷号: 47 作者:  Zhao, S.;  Guo, X.;  Liu, Y. 收藏  |  浏览/下载：7/0  |  提交时间：2019/12/30 Defects  Fiber reinforced plastics  Frequency modulation  Glass fiber reinforced plastics  Glass fibers  Image processing  Nondestructive examination  Reinforced plastics  Reinforcement  Signal to noise ratio  Wavelet transforms  Complex Morlet Wavelet  Detection capability  Fourier transform method  High-frequency noise  Infrared image sequence  Modulation frequencies  Non destructive testing  Sampling frequencies  Thermography (imaging)   Outage performance of a unified non-orthogonal multiple access framework 会议论文 IEEE International Conference on Communications 作者:  Yue, X.;  Qin, Z.;  Liu, Y.;  Dai, X.;  Chen, Y. 收藏  |  浏览/下载：4/0  |  提交时间：2019/12/30 Asymptotic analysis  Outages  Asymptotic expressions  High signalto-noise ratios (SNR)  Non orthogonal multiple accesses (NOMA)  Non-orthogonal multiple access  Outage performance  Outage probability  Residual interference  Successive interference cancellation(SIC)  Signal to noise ratio