干涉波 | Desmos

Expression 5: "f" left parenthesis, "x" , "F" , "b" , right parenthesis equals sine left parenthesis, StartFraction, 2 pi left parenthesis, "x" minus "b" , right parenthesis Over 100 , EndFraction times "F" , right parenthesis

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Expression 6: "A" equals "f" left parenthesis, "x" , "f" Subscript, 1 , Baseline , "b" Subscript, 1 , Baseline , right parenthesis

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Expression 7: "B" equals "f" left parenthesis, "x" , "f" Subscript, 2 , Baseline , "b" Subscript, 2 , Baseline , right parenthesis

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Expression 8: "A" plus "B"

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Expression 9:

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