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3篇 您的检索式：作者名="Yingcheng Shi"

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		题名	作者	年代	出处	被引量
	1	An alternative approach to determine critical angle of contrast reversal and surface roughness of oil slicks under sunglint显示文摘The critical angle is the angle at which the contrast of oil slicks reverse their contrasts against the surrounding oil-free seawater under sunglint.Accurate determination of the critical angle can help estimate surface roughness and refractive index of the oil slicks.Although it’s difficult to determine a certain critical angle,the potential critical angle range help to improve the estimation accuracy.In this study,the angle between the viewing direction and the direction of mirror reflection is used as an indicator for quantifying the critical angle and could be calculated from the solar/viewing geometry from observations of the Moderate Resolution Imaging Spectroradiometer(MODIS).The natural seep oil slicks in the Gulf of Mexico were first delineated using a customized segmentation approach to remove noise and apply a morphological filter.On the basis of the histograms of the brightness values of the delineated oil slicks,the potential range of the critical angle was determined,and then an optimal critical angle between oil slicks and seawater was then determined from statistical and regression analyses in this range.This critical angle corresponds to the best fitting between the modeled and observed surface roughness of seep oil slicks and seawater.	Yansha Wen Mengqiu Wang Yingcheng Lu Shaojie Sunc Minwei Zhang Zhihua Mao Jing Shi Yongxue Liu	2018	International Journal of Digital Earth2018，11，9：	1
	2	Integrated prediction of low cretaceous complicated reservoirs in Qingxi oil field显示文摘	ZHAO YINGCHENG ZHOU XIAOFENG SHI YONGMIN	2005	Natural Gas Industry2005，1314，：	1
	3	Channel Modeling for Air-to-Ground Wireless Communication显示文摘In this paper, we discuss several large-scale fading models for different environments. The COST231-Hata model is adapted for air-to-ground modeling. We propose two criteria for air-toground channel modelling based on test data derived from field testing in Beijing. We develop a new propagation model that is more suitable for air-to-ground communication that previous models. We focus on improving this propagation model using the field test data.	Yingcheng Shi Di He Bin Li Jianwu Dou	2015	ZTE Communications2015，13，2：	0

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