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	Underground laboratories and deep underground geophysical observations 期刊论文 OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2022, 卷号: 65, 期号: 12, 页码: 4527-4542 作者: Wang Yun; Jian YiFan; He YongSheng; Miao QiangQiang; Teng JiWen \| 收藏 \| 浏览/下载：27/0 \| 提交时间：2023/03/31 Underground laboratory Lower background Geophysics Ultra-silent Ultra-clean
	地下实验室与深地环境下的地球物理观测期刊论文 OAI收割 CHINESE JOURNAL OF GEOPHYSICS-CHINESE EDITION, 2022, 卷号: 65, 期号: 12, 页码: 4527-4542 作者: Wang, Y; Jian, YF; He, YS; Miao, QQ; Teng, JW \| 收藏 \| 浏览/下载：18/0 \| 提交时间：2023/11/09 Underground laboratory Lower background Geophysics Ultra-silent Ultra-clean
	Discussion on the crustal density structure and deep mineralization background in the Middle-Lower Yangtze metallogenic belt and its surrounding areas: Constraints from the gravity inversion 期刊论文 OAI收割 ACTA PETROLOGICA SINICA, 2014, 卷号: 30, 期号: 4, 页码: 931-940 作者: Zhang YongQian; Lu QingTian; Teng JiWen; Wang QianShen; Xu Tao \| 收藏 \| 浏览/下载：27/0 \| 提交时间：2018/09/26 The Middle-Lower Yangtze metallogenic belt Ning-wu ore concentration area Gravity field Density structure Deep mineralization background
	Discussion on the crustal density structure and deep mineralization background in the Middle-Lower Yangtze metallogenic belt and its surrounding areas: Constraints from the gravity inversion 期刊论文 OAI收割 ACTA PETROLOGICA SINICA, 2014, 卷号: 30, 期号: 4, 页码: 931-940 作者: Zhang YongQian; Lu QingTian; Teng JiWen; Wang QianShen; Xu Tao \| 收藏 \| 浏览/下载：23/0 \| 提交时间：2018/09/26 The Middle-Lower Yangtze metallogenic belt Ning-wu ore concentration area Gravity field Density structure Deep mineralization background
	Research on tracking approach to low-flying weak small target near the sea (EI CONFERENCE) 会议论文 OAI收割 ICO20: Optical Information Processing, August 21, 2005 - August 26, 2005, Changchun, China 作者: Xue X.-C. 收藏 \| 浏览/下载：33/0 \| 提交时间：2013/03/25 Automatic target detection is very difficult in complicate background of sea and sky because of the clutter caused by waves and clouds nearby the sea-level line. In this paper in view of the low-flying target near the sea is always above the sea-level line we can first locate the sea-level line and neglect the image data beneath the sea-level line. Thus the noise under the sea-level line can be suppressed and the executive time of target segmentation is also much reduced. A new method is proposed which first uses neighborhood averaging method to suppress background and enhance targets so as to increase SNR and then uses the multi-point multi-layer vertical Sobel operator combined with linear least squares fitting to locate the sea-level line lastly uses the centroid tracking algorithm to detect and track the target. In the experiment high frame rate and high-resolution digital CCD camera and high performance DSP are applied. Experimental results show that this method can efficiently locate the sea-level line on various conditions of lower contrast and eliminate the negative impact of the clutter caused by waves and clouds and capture and track target real-timely and accurately.