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浏览/检索结果: 共3条，第1-3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 An EMD threshold-based de-noising method for roller bearing fault vibration signal analysis 期刊论文 Journal of Computational Information Systems, 2014, 卷号: 10, 期号: 17, 页码: 7645-7652 作者:  Bao, Guangqing;  Chang, Yong;  He, Ting 收藏  |  浏览/下载：7/0  |  提交时间：2020/11/14 Bearings (machine parts)  Feature extraction  Roller bearings  Rollers (machine components)  Signal analysis  Signal processing  Signal to noise ratio  Vibration analysis  Wavelet decomposition  Empirical Mode Decomposition  Fault feature extractions  Intrinsic Mode functions  Rolling bearings  Signaltonoise ratio (SNR)  Vibration signal  Vibration signal analysis  Wavelet thresholding   Distance and norm based antenna selection for generalized spatial modulation in correlated MIMO fading channels 会议论文 作者:  Liang, Dong;  Ren, Pinyi;  Sun, Li;  Du, Qinghe 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/02 Antenna selection  Average bit error probability  Correlated channels  Correlated fading channels  Distance metrics  Signal constellation  Signaltonoise ratio (SNR)  Spatial modulations   Frequency estimation performance of several MDCT domain algorithms 会议论文 作者:  Dun, Yujie;  Liu, Guizhong 收藏  |  浏览/下载：3/0  |  提交时间：2019/12/03 Audio processing  Cramer-rao bound (CRB)  DFT algorithms  Estimation performance  Modified discrete cosine transforms  Signaltonoise ratio (SNR)  Sinusoidal signals  White Gaussian Noise