Statistical analysis of pre-seismic anomalies from FY-2G satellite infrared remote sensing images

Journal of remote sensing(2022)

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Abstract
çº¢å¤–é¥æ„Ÿå›¾åƒå¼‚å¸¸æ˜¯ä¸€ç§é‡è¦çš„åœ°éœ‡å‰å †ï¼Œéœ€è¦ç¨³å®šä¸”æœ‰æ•ˆçš„æå–ç®—æ³•æ‰èƒ½å‘çŽ°åœ°éœ‡å‰å †ã€‚ç„¶è€Œï¼Œè®¸å¤šç®—æ³•åªæ˜¯åœ¨å°‘æ•°åœ°éœ‡ä¸­æœ‰éªŒè¯ï¼Œæ•°æ®æ ·æœ¬å°‘ï¼Œä¸èƒ½è¿›è¡Œå¼‚å¸¸ä¿¡å·çš„ç»Ÿè®¡åˆ†æžã€‚æœ¬æ–‡æå‡ºäº†ä¸€ç§æ–¹æ³•ï¼Œå¯¹ä¸­å›½åŠå‘¨è¾¹åœ°åŒºçš„çº¢å¤–é¥æ„Ÿå›¾åƒçš„åŠŸçŽ‡è°±å¼‚å¸¸ä¿¡å·è¿›è¡Œç»Ÿè®¡ï¼Œä»¥è¯„ä¼°ç®—æ³•çš„å‡†ç¡®æ€§å’Œæ™®é€‚æ€§ã€‚è¯¥æ–¹æ³•è¿˜åˆ†æžå¼‚å¸¸ä¿¡å·çš„å¹ åº¦ã€ç©ºé—´èŒƒå›´å’Œç›¸å ³çš„åœ°éœ‡ä¿¡æ¯ï¼Œå°†æ—¶é—´å’Œç©ºé—´ä¸Šè¿žç»­çš„å¼‚å¸¸ç‚¹è§†ä¸ºä¸€ä¸ªæ ·æœ¬ï¼Œä»¥è®¡ç®—ä¸åŒå‚æ•°æ¡ä»¶ä¸‹å¼‚å¸¸ä¿¡å·çš„é˜³æ€§é¢„æµ‹å€¼å’Œåœ°éœ‡çš„çœŸé˜³æ€§çŽ‡ã€‚æœ¬æ–‡æå–äº†FY-2G卫星的红外遥感图像中的地震异常信号,并进行统计,得到20.37%的阳性预测值和65.96%çš„çœŸé˜³æ€§çŽ‡ã€‚é«˜å¹ åº¦å¤§èŒƒå›´çš„å¼‚å¸¸ä¿¡å·å¯ä»¥è¾¾åˆ°80%的阳性预测值。对于大于5.4级的地震,真阳性率可以达到81.82%ã€‚æœ¬æ–‡éªŒè¯äº†åŠŸçŽ‡è°±ç›¸å¯¹å˜åŒ–æ³•èƒ½åœ¨å¤§éƒ¨åˆ†åœ°éœ‡å‰æå–åˆ°çº¢å¤–é¥æ„Ÿå›¾åƒå¼‚å¸¸ï¼Œè¯¥æ–¹æ³•å¯ä»¥åˆ†æžå¼‚å¸¸ä¿¡å·çš„ç‰¹å¾å’Œè¯„ä¼°å¼‚å¸¸ä¿¡å·ä¸Žåœ°éœ‡çš„ç›¸å ³æ€§ï¼Œæœ‰åˆ©äºŽç®—æ³•çš„å¯¹æ¯”å’Œæ”¹è¿›ã€‚
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Key words
remote sensing,satellite,pre-seismic
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