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西安交通大学 [4]
兰州理工大学 [3]
地理科学与资源研究所 [3]
北京大学 [2]
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期刊论文 [18]
会议论文 [6]
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On the evolution of n-octane atomization characteristics using an air-assisted intermittent spray method
期刊论文
FUEL PROCESSING TECHNOLOGY, 2022, 卷号: 231, 页码: 17
作者:
Wu, Hao
;
Zhang, Fujun
;
Zhang, Zhenyu
;
Wu, Kun
;
Fan, Xuejun
收藏
  |  
浏览/下载:26/0
  |  
提交时间:2022/06/11
Air-assisted spray
Droplet size-velocity joint probability density
function
Sauter Mean Diameter
Turbulent intensity
Slip velocity
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:46/0
  |  
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.
Multi-color object image segmentation based on improved CV model
期刊论文
Huazhong Keji Daxue Xuebao (Ziran Kexue Ban)/Journal of Huazhong University of Science and Technology (Natural Science Edition), 2018, 卷号: 46, 期号: 1, 页码: 63-66 and 86
作者:
Zhang, Aihua
;
Wang, Fan
;
Chen, Haiyan
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  |  
浏览/下载:21/0
  |  
提交时间:2020/11/14
Color
Image enhancement
Image segmentation
Information filtering
K-means clustering
Clustering centers
Complex objects
Energy functions
Intensity information
Level set evolution equations
Mean filter
Ochotona curzoniae
Segmentation results
Exploring the Direct Rebound Effect of Energy Consumption: A Case Study
期刊论文
SUSTAINABILITY, 2018, 卷号: 10, 期号: 1
作者:
Wang, Qingsong
;
Gao, Zhenlei
;
Tang, Hongrui
;
Yuan, Xueliang
;
Zuo, Jian
收藏
  |  
浏览/下载:8/0
  |  
提交时间:2019/12/11
energy rebound effect
energy intensity
Cobb-Douglas production
function
Logarithmic Mean Divisia Index decomposition model
Registration of Precession Signal in the Last Interglacial Paleosol (S-1) on the Chinese Loess Plateau
期刊论文
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2017, 卷号: 18, 期号: 11, 页码: 3964-3975
作者:
Ma, Long
;
Li, Ying
;
Liu, Xingxing
;
Sun, Youbin
收藏
  |  
浏览/下载:10/0
  |  
提交时间:2020/12/30
Chinese Loess Plateau
Last Interglacial Paleosol (S-1)
Precessional Signal Intensity
Sedimentation Rate
Mean Annual Precipitation
On the time evolution of brightness, volume and height of a coronal source in an M-class flare
期刊论文
ASTROPHYSICS AND SPACE SCIENCE, 2017, 卷号: 362, 期号: 6, 页码: 10
作者:
Firoz, Kazi A.
;
Gan, W. Q.
;
Li, Y. P.
;
Rodriguez-Pacheco, J.
;
Su, Y.
收藏
  |  
浏览/下载:11/0
  |  
提交时间:2019/04/08
Solar flares
Area/volume of the flare
Volume and mean intensity
Heights of the coronal sources
Total Thermal electrons in high-temperature plasma in the corona
contribution into the flare process
Adiabatic expansion
Theoretical model for thermal source
RHESSI X-ray
GOES X-ray
SDO/AIA images
Spatial and temporal evolution of the coronal source
RHESSI image reconstruction algorithm
Registration of Precession Signal in the Last Interglacial Paleosol (S-1) on the Chinese Loess Plateau
期刊论文
GEOCHEMISTRY GEOPHYSICS GEOSYSTEMS, 2017, 卷号: 18, 页码: 3964-3975
作者:
Ma, Long
;
Li, Ying
;
Liu, Xingxing
;
Sun, Youbin
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2019/11/26
Chinese loess plateau
last interglacial paleosol (S-1)
mean annual precipitation
precessional signal intensity
sedimentation rate
Efficient frequency-domain channel equalisation methods for OFDM/OQAM-PON with intensity modulation and direct detection
期刊论文
IET COMMUNICATIONS, 2017
Lin, Bangjiang
;
Tang, Xuan
;
Fang, Xi
;
Wu, Yi
;
Li, Hui
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2017/12/03
frequency-domain analysis
channel estimation
blind equalisers
OFDM modulation
quadrature amplitude modulation
passive optical networks
least mean squares methods
frequency-domain channel equalisation method
OFDM
OQAM
PON
intensity modulation
direct detection
frequency-domain channel estimation
adjacent subcarriers frequency-domain averaging
ASFA
minimum mean squared error
MMSE
orthogonal frequency division multiplexing-offset quadrature amplitude modulation
passive op
OFDM-PON
TRANSMISSION
Digital image correlation with gray gradient constraints: Application to spatially variant speckle images
期刊论文
OPTICS AND LASERS IN ENGINEERING, 2016
Yuan, Yuan
;
Zhan, Qin
;
Huang, Jianyong
;
Fang, Jing
;
Xiong, Chunyang
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2017/12/03
Digital image correlation
Subset size
Window function
Speckle pattern
Deformation measurement
ACCURATE DISPLACEMENT MEASUREMENT
ERROR REDUCTION
DEFORMATION MEASUREMENT
MEAN INTENSITY
ALGORITHM
PATTERNS
SCHEME
Responses of above- and below-ground carbon stocks to environmental drivers in Tibetan Alpine grasslands
SCI/SSCI论文
2016
作者:
Liu H. S.
;
Miao, Z. W.
收藏
  |  
浏览/下载:22/0
  |  
提交时间:2017/11/09
annual precipitation
soil moisture
biomass
annual mean temperature
variation partition
spatial scales
soil organic-carbon
aboveground biomass
grazing intensity
climate-change
arctic tundra
ecosystem
storage
nitrogen
plant
plateau
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