表达式12: "R" Subscript, 1 , Baseline left parenthesis, "t" , "a" , right parenthesis equals "I" Subscript, 1 , Baseline left parenthesis, "t" minus StartRoot, "l" squared plus left parenthesis, "d" minus "a" , right parenthesis squared , EndRoot , right parenthesis plus "I" Subscript, 2 , Baseline left parenthesis, "t" minus StartRoot, "l" squared plus left parenthesis, "d" plus "a" , right parenthesis squared , EndRoot , right parenthesisR1t,a=I1t−l2+d−a2+I2t−l2+d+a2
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表达式13: "R" Subscript, 2 , Baseline left parenthesis, "t" , "a" , right parenthesis equals "I" Subscript, 1 , Baseline left parenthesis, "t" minus StartRoot, "l" squared plus left parenthesis, "d" plus "a" , right parenthesis squared , EndRoot , right parenthesis plus "I" Subscript, 2 , Baseline left parenthesis, "t" minus StartRoot, "l" squared plus left parenthesis, "d" minus "a" , right parenthesis squared , EndRoot , right parenthesisR2t,a=I1t−l2+d+a2+I2t−l2+d−a2
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correlation of intensity received by 2 detectors
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表达式15: "f" left parenthesis, "x" , right parenthesis equals StartFraction, 1 Over "L" , EndFraction Start integral from 0 to "L" , end integral, "R" Subscript, 1 , Baseline left parenthesis, "t" , "x" , right parenthesis "R" Subscript, 2 , Baseline left parenthesis, "t" , "x" , right parenthesis "d" "t" minus 1fx=1L∫L0R1t,xR2t,xdt−1
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表达式16: "L" equals 20L=20
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表达式17: "X" equals 50 StartFraction, left bracket, 0... "n" , right bracket Over "n" , EndFractionX=500...nn
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表达式18: "n" equals 40n=40
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表达式19: left parenthesis, "X" , 100 "f" left parenthesis, "X" , right parenthesis , right parenthesisX,100fX
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表达式20: left parenthesis, negative "X" , 100 "f" left parenthesis, "X" , right parenthesis , right parenthesis−X,100fX
