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The final anaysis is based on
送交者: lotofrain 2014月03月25日00:36:56 于 [世界军事论坛] 发送悄悄话
回  答: 如果有6个圆圈的话,是不是可以看出圆圈往哪里移动? 生人 于 2014-03-25 00:14:59

the ping signal extortion by the time the satellite got the ping. They must establish a computer model to figure out the rate of signal extortion in terms of the angle with the satellite and do the deduction.

There is no way to locate the source directly from the ping and make any circles.  The ping basically is saying I am still alive at the time being.

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    They indeed use doppler shift. - e-mail 03/25/14 (434)
  Indeed, they used the Doppler - 透气 03/25/14 (472)
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