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	The braking index of PSR B0540-69 and the associated pulsar wind nebula emission after spin-down rate transition 期刊论文 OAI收割 Monthly Notices of the Royal Astronomical Society, 2020, 卷号: 494, 页码: 1865-1870 作者: HXMT \| 收藏 \| 浏览/下载：57/0 \| 提交时间：2022/02/08 stars: magnetic field stars: neutron pulsars: general Astrophysics - High Energy Astrophysical Phenomena Abstract: In 2011 December, PSR B054-69 experienced a spin-down rate transition (SRT), after which the spin-down power of the pulsar increased by $\sim 36{{\ \rm per\ cent}}$. About 1000 d after the SRT, the X-ray luminosity of the associated pulsar wind nebula (PWN) was found to brighten by $32\pm 8{{\ \rm per\ cent}}$. After the SRT, the braking index n of PSR B0540-69 changes from n = 2.12 to 0.03 and then keeps this value for about five years before rising to n = 0.9 in the following years. We find that most of the current models have difficulties in explaining the measured braking index. One exceptive model of the braking index evolution is the increasing dipole magnetic field of PSR B0540-69. We suggest that the field increase may result from some instabilities within the pulsar core that enhance the poloidal component at the price of toroidal component of the magnetic field. The increasing dipole magnetic field will result in the X-ray brightening of the PWN. We fit the PWN X-ray light curve by two models: one assumes a constant magnetic field within the PWN during the brightening and the other assumes an enhanced magnetic field proportional to the energy density of the PWN. It appears that the two models fit the data well, though the later model seems to fit the data a bit better. This provides marginal observational evidence that magnetic field in the PWN is generated by the termination shock. Future high-quality and high-cadence data are required to draw a solid conclusion.
	Land Surface Temperature and Emissivity Retrieval from Field-Measured Hyperspectral Thermal Infrared Data Using Wavelet Transform 期刊论文 OAI收割 REMOTE SENSING, 2017, 卷号: 9, 期号: 5, 页码: 16 作者: Zhang, Yu-Ze; Wu, Hua; Jiang, Xiao-Guang; Jiang, Ya-Zhen; Liu, Zhao-Xia \| 收藏 \| 浏览/下载：23/0 \| 提交时间：2019/09/25 temperature and emissivity separation hyperspectral field-measured data wavelet transform
	Land Surface Temperature and Emissivity Retrieval from Field-Measured Hyperspectral Thermal Infrared Data Using Wavelet Transform 期刊论文 OAI收割 REMOTE SENSING, 2017, 卷号: 9, 期号: 5, 页码: 16 作者: Zhang, Yu-Ze; Wu, Hua; Jiang, Xiao-Guang; Jiang, Ya-Zhen; Liu, Zhao-Xia \| 收藏 \| 浏览/下载：25/0 \| 提交时间：2019/09/25 temperature and emissivity separation hyperspectral field-measured data wavelet transform
	Land Surface Temperature and Emissivity Retrieval from Field-Measured Hyperspectral Thermal Infrared Data Using Wavelet Transform 期刊论文 OAI收割 REMOTE SENSING, 2017, 卷号: 9, 期号: 5, 页码: 16 作者: Zhang, Yu-Ze; Wu, Hua; Jiang, Xiao-Guang; Jiang, Ya-Zhen; Liu, Zhao-Xia \| 收藏 \| 浏览/下载：17/0 \| 提交时间：2019/09/25 temperature and emissivity separation hyperspectral field-measured data wavelet transform
	Numerical simulation of regional stress field under complex geological condition 会议论文 OAI收割 2011 International Conference on Civil Engineering and Transportation, ICCET 2011, Jinan, China, OCT 14-16, 2011 Wang TX; Zheng WH(郑文海); Liang SJ 收藏 \| 浏览/下载：34/0 \| 提交时间：2013/02/26 Civil engineering Coal deposits Lithology Regression analysis Statistics Stratigraphy Coal seams Complex geological condition Complex structure Engineering applications Fault types Geo-stress field Geological structures Ground surfaces Layer thickness Measured data Measured points Numerical stimulations Principal stress Regional stress field Regional structure Stress magnitude Surface fluctuation
	RESEARCH ON 3D CANOPY'S REFLECTANCE MODEL OF SEMI-ARID GRASSLAND 会议论文 OAI收割 2010 Ieee International Geoscience and Remote Sensing Symposium, New York Sun Yuan; Gu Xing-fa; Yu Tao; Zhao Feng; Chen Xing-feng; Gao Hai-liang; Li Juan 收藏 \| 浏览/下载：35/0 \| 提交时间：2014/12/07 Semi-arid Grassland 3D canopy scenery computer simulation CLAMP canopy's reflectance field measured data HJ satellite BIDIRECTIONAL REFLECTANCE