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Health Indicator of Bearing Constructed by rms-CUMSUM and GRRMD-CUMSUM With Multifeatures of Envelope Spectrum
期刊论文
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT, 2021, 卷号: 70
作者:
Meng, Jiadong
;
Yan, Changfeng
;
Chen, Guangyi
;
Liu, Yaofeng
;
Wu, Lixiao
收藏
  |  
浏览/下载:9/0
  |  
提交时间:2021/10/14
Envelope spectrum features
growth rate of real-time Mahalanobis distance with cumulative sum (GRRMD-CUMSUM)
health indicator (HI)
initial fault
root mean square with cumulative sum (rms-CUMSUM)
Timing analysis of Swift J1658.2-4242's outburst in 2018 with Insight-HXMT, NICER and AstroSat
期刊论文
Journal of High Energy Astrophysics, 2019, 卷号: 24, 页码: 30-40
作者:
HXMT
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浏览/下载:44/0
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提交时间:2022/02/08
Accretion
accretion disks
Black hole physics
X-rays: binaries:
Swift J1658.2-4242
Astrophysics - High Energy Astrophysical Phenomena
Abstract: We present the observational results from a detailed timing analysis of the black hole candidate Swift J1658.2-4242 during its 2018 outburst with the observations of Hard X-ray Modulation Telescope (Insight-HXMT), Neutron Star Interior Composition Explorer (NICER) and AstroSat in 0.1-250 keV. The evolution of intensity, hardness and integrated fractional root mean square (rms) observed by Insight-HXMT and NICER are presented in this paper. Type-C quasi-periodic oscillations (QPOs) observed by NICER (0.8-3.5 Hz) and Insight-HXMT (1-1.6 Hz) are also reported in this work. The features of the QPOs are analyzed with an energy range of 0.5-50 keV. The relations between QPO frequency and other characteristics such as intensity, hardness and QPO rms are carefully studied. The timing and spectral properties indicate that Swift J1658.2-4242 is a black hole binary system. Besides, the rms spectra of the source calculated from the simultaneous observation of Insight-HXMT, NICER and AstroSat support the Lense-Thirring origin of the QPOs. The relation between QPO phase lag and the centroid frequency of Swift J1658.2-4242 reveals a near zero constant when < 4Hz and a soft phase lag at 6.68 Hz. This independence follows the same trend as the high inclination galactic black hole binaries such as MAXI J1659-152.
Difference between the surface electromyogram signals recorded from the right hand and left hand
期刊论文
Proceedings - 2017 Chinese Automation Congress, CAC 2017, 2017, 卷号: 2017-January, 页码: 4906-4909
作者:
Zeng, Haibin
;
Li, Ke
;
Tian, Xincheng
;
Wei, Na
;
Song, Rui
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2019/12/12
classification
hand motions
root mean square (RMS)
surface electromyogram
Difference Between the Surface Electromyogram Signals Recorded From the Right Hand and Left Hand
会议论文
Chinese Automation Congress (CAC), OCT 20-22, 2017
作者:
Zeng, Haibin
;
Li, Ke
;
Tian, Xincheng
;
Wei, Na
;
Song, Rui
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  |  
浏览/下载:3/0
  |  
提交时间:2019/12/31
surface electromyogram
hand motions
root mean square (RMS)
classification
Experimental Research and Analysis on Rotor Winding Inter-turn Short Circuit Fault in DFIG
会议论文
作者:
Ur Rehman, Attiq
;
Chen, Yu
;
Wang, Lulu
;
Zhao, Yihan
;
Yin, Yonghong
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  |  
浏览/下载:4/0
  |  
提交时间:2019/12/02
Doubly-fed induction generator (DFIG)
Root mean square (RMS)
Phase difference
Rotor winding
In-situ stress suppression of hydrogenated a-CNxfilm prepared via Ar gas introduction
期刊论文
Surface and Interface Analysis, 2016
作者:
Wang, Qi
;
He, Deyan
;
Zhang, Junyan
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  |  
浏览/下载:3/0
  |  
提交时间:2017/01/13
Compressive stress
Amorphous carbon
Amorphous films
Argon
Carbon films
Carbon nitride
Graphite
Hardness
Hydrogenation
Nitrides
Stresses
Ar plasmas
Carbon nitride films
Hydrogenated amorphous carbon nitride
Insitu stress
Nitrogen content
Raman
RMS roughness
Root mean square roughness
Micro water dissolution machining principle and its application in ultra-precision processing of KDP optical crystal
期刊论文
SCIENCE CHINA-TECHNOLOGICAL SCIENCES, 2015, 卷号: 58, 页码: 1877-1883
作者:
Gao Hang
;
Wang Xu
;
Teng XiaoJi
;
Guo DongMing
收藏
  |  
浏览/下载:7/0
  |  
提交时间:2019/12/09
potassium dihydrogen phosphate (KDP) crystal
micro water dissolution machining (MWDM) principle
ultra-precision machining
surface root-mean-square (rms) roughness
Roughness analysis of optical surfaces by X-ray scattering (EI CONFERENCE)
会议论文
2011 International Conference on Electronics and Optoelectronics, ICEOE 2011, July 29, 2011 - July 31, 2011, Dalian, China
Meng Y.
;
Chen B.
;
Chen C.
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浏览/下载:18/0
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提交时间:2013/03/25
A grazing incidence x-ray scattering (XRS) method
Order perturbation theory (FOPT)
is stated briefly and an experimental facility based on an improved X-ray diffraction has been introduced
which can work with high performance. The x-ray scattering distributions of two super smooth silicon samples measured at the incidence angle 0.2 degree
as the x-ray wavelength is 0.154 nm
have been given and analyzed by the FOPT to give information about the surface profiles. As a comparison
the root mean square (RMS) surface roughness
grey-scale maps and one-dimensional power spectral density (1D PSD) have been derived from the atomic-force microscope (AFM) data. The results evaluated by FOPT are in good agreement with that of AFM
which indicates that x-ray scattering method is a practical characterization for the investigation of super smooth surfaces. 2011 IEEE.
Effect of a reducing pressure drop stick in the flow field of a cyclone separator
期刊论文
2010, 2010
Liu Chengwen
;
Wang Lianze
;
Wang Jianjun
;
Liu Qiusheng
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  |  
浏览/下载:2/0
Growth and characterization of algan/gan heterostructure using unintentionally doped aln/gan superlattices as barrier layer
期刊论文
Superlattices and microstructures, 2009, 卷号: 45, 期号: 2, 页码: 54-59
作者:
Zhang, M. L.
;
Wang, X. L.
;
Xiao, H. L.
;
Wang, C. M.
;
Yang, C. B.
收藏
  |  
浏览/下载:30/0
  |  
提交时间:2019/05/12
Algan/gan heterostructure
Superlattices (sls)
Root mean square roughness (rms)
Sheet resistance
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