QQ客服 官方微博 反馈留言

浏览/检索结果: 共4条，第1-4条 帮助 限定条件 专题：兰州理工大学    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 Research on algorithm of robust speech perceptual hashing for time-frequency domain based on hilbert transform 期刊论文 International Journal of Innovative Computing, Information and Control, 2015, 卷号: 11, 期号: 4, 页码: 1191-1204 作者:  Zhang, Qiuyu;  Yang, Zhongping;  Zhang, Qianyun;  Huang, Yibo;  Xing, Pengfei 收藏  |  浏览/下载：15/0  |  提交时间：2020/11/14 Audio signal processing  Authentication  Discrete cosine transforms  Frequency domain analysis  Low pass filters  Speech  White noise  Hashing algorithms  Hilbert transform  Perceptual feature  Perceptual hashing  Speech content  Tamper localization  Time frequency domain  White Gaussian Noise   The hilbert marginal spectrum analysis and feature extraction of short-term heart rate signal of spontaneous ventricular tachyarrhythmia 期刊论文 Biomedical Engineering - Applications, Basis and Communications, 2011, 卷号: 23, 期号: 6, 页码: 467-478 作者:  Dong, Hong-Sheng;  Zhang, Ai-Hua;  Hao, Xiao-Hong 收藏  |  浏览/下载：20/0  |  提交时间：2020/11/14 Biomedical signal processing  Defibrillators  Extraction  Feature extraction  Heart  Implantable cardioverter defibrillators  Mathematical transformations  Hilbert Huang transforms  Hilbert marginal spectrum  Hilbert spectrum and marginal spectrums  Improved Hilbert-Huang transforms  Instantaneous heart rates  Sudden cardiac deaths (SCD)  Ventricular fibrillation  Ventricular tachyarrhythmias   The Hilbert marginal spectrum analysis of short-term heart rate signal prior to spontaneous onset of ventricular tachyarrhythmia 会议论文 Shanghai, China, October 15, 2011 - October 17, 2011 作者:  Dong, Hong-Sheng;  Zhang, Ai-Hua;  Hao, Xiao-Hong 收藏  |  浏览/下载：12/0  |  提交时间：2020/11/15 Adaptive filtering  Adaptive filters  Biomedical engineering  Defibrillators  Feature extraction  Implantable cardioverter defibrillators  Mathematical transformations  Spectrum analysis  Adaptive filtering algorithms  Hilbert marginal spectrum  Improved Hilbert-Huang transforms  Instantaneous heart rates  Sudden cardiac deaths (SCD)  Ventricular fibrillation  Ventricular tachyarrhythmias  Ventricular tachycardia   Modal parameter identification based on Hilbert-Huang transform and natural excitation technique 期刊论文 Gongcheng Lixue/Engineering Mechanics, 2010, 卷号: 27, 期号: 8, 页码: 54-59 作者:  Han, Jian-Ping 收藏  |  浏览/下载：8/0  |  提交时间：2020/11/14 Bandwidth  Composite beams and girders  Damping  Fourier analysis  Mathematical transformations  Parameter estimation  Signal processing  Structural health monitoring  Empirical Mode Decomposition  Hilbert Huang transforms  Modal parameter identification  Natural excitation techniques  Shaking table tests