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澳方:数日前一信号强烈 相信与失联客机有关(图)

2014-04-14 15:10:12   中国新闻网

中新网4月14日电 澳大利亚方面14日就马航MH370事件专门面向中国媒体举行新闻发布会,在会上澳方指出,专家分析称,此前监测到的水下有一信号特别强烈,相信频率与失联客机黑匣子有关;而且,由于6天没有再发现疑似信号,澳方认为目前可以停止使用拖曳式声波定位仪。

停止使用声波定位仪 部署水下航行器

澳方称已经在分别的三天内,共发现了四组信号,其中有一个信号非常强烈,肯定是来自一个人工设备,信号频率与失联客机黑匣子非常相似。

澳方说,基于目前已有的信息,根据专家的意见,由此在海底划定一个范围,目前在这一范围搜寻。

澳方说,现在的主要工作除了视觉搜索,也将展开水下搜索,并不断寻找声波的信号。

另据外媒稍早时报道,“蓝鳍金枪鱼21型自主式水下航行器”将在当地时间14日下午5时左右部署到位,展开其首次水下搜索。

视觉搜索力量正减少 将在“握手”弧线进行海底声呐扫描

澳方说,目前已经有6天没有接受到信号。因此澳方认为现在可以停止使用拖曳式声波定位仪。而且,失联已经38天,还没有找到任何飞机残骸,视觉搜索力量正在减少。

有飞机和舰船在进行视觉搜索。

澳方称,视觉搜寻的结果可能并不一定有效,所有参与搜寻的国家将仍然参与行动,没有国家离开。接下来,各方将讨论应该怎样开展行动,讨论将在本周晚些时候进行。这些国家中也包括中国。

澳方强调,希望大家知道已经有6天没监测黑匣子信号了,因此需要考虑到的因素是黑匣子电池已经耗尽,不能再发射出信号。声呐浮标仍将使用2至3天。

澳方称,声呐浮标还将使用2到3天,寄希望于还能监测到信号。但电池如果确实已经耗尽,则可能没用。

澳方说,等声呐浮标没用之后,将会在水底进行搜寻。还将用摄像机进行水下拍摄,用声呐技术进行海底扫描。声呐浮标电池只能用8个小时,电耗尽后将沉到水底,不会干扰搜寻。

澳方称对之前找到的一些信号,但只有找到残骸才能确定。如果不能找到,就需要与合作伙伴研究下一步如何展开。可能需要借鉴法航的经验,进行长期的海底声呐探测,但这些也要基于此前飞机与卫星“握手”的信息进行,但可能会花费很长时间,但这些是以后的工作了。目前的重点依然是利用现有技术进行水下的探测。

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