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零差外差相位测量原理与技术
2014-2-19一.相位测量?测量相位差的变化量(phasedifferencehdiff)状态1:1相位差?m1(时间1,空间空间1)??r状态2:相位相位差?m2(时间或空间变化)??rym(t)ym(t)yr(t)yr(t)62014-2-19一.相位测量?测量相位的变化(phaseshifthhift)?m2??m1测量相位差的变化量(shiftofdifference
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