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Superposition of a sine wave and an exponential wave (叠加原理) (اصل برهم‌نهی)

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Uploaded by on Dec 31, 2009

Notice the minus sign in the exponential function, that is, 2exp(-(x-a)).
Also notice that the exponential function is moving to the right at speed "a" (because of the minus sign) and the sine wave is moving to the right ( + sign) with speed "2a".

Finally, the black wave is a superposition of both the above mentioned waves.




Happy new year!
اصل برهم‌نهی
叠加原理
تراكب

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