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  1. J

    Time reversal transformation

    thank you steve for your help. I will try to follow your advice because I am stuck at this point in my project
  2. J

    Time reversal transformation

    it's not a choice of pi / 4 but I have just transformed my basic function that are: (sqr(2)/2)*(sin(x)-cos(x)) = f( sin(x) ) (sqr(2)/2)*(sin(x)+cos(x)) = f( cos(x) )
  3. J

    Time reversal transformation

    I apologize for this delay because I was testing other alternatives. This is almost the equations you quoted steve and which are exactly: Sin(π / 4 - x) = f( sin(x) ) Cos(π / 4 - x) = f( cos(x) ) but the problem is that I have not found a circuit which allows the time reversal transformation...
  4. J

    Time reversal transformation

    Excuse me i have error Moreover if I apply it twice I have to find sin (ωt) (ie sin (-ωt + π / 4) gives sin (ωt))
  5. J

    Time reversal transformation

    No it is a project of License
  6. J

    Time reversal transformation

    that's just my problem If I consider a circle of radius 1 and I have a transformation which is a symmetry with respect to a central axis of radius π / 8 with respect to the axis Ox. So this symmetry will transform my initial signal which is sin (ωt) into sin (-ωt + π / 4). the problem is that if...
  7. J

    Time reversal transformation

    besides I do not know if it was a cos or a sin. my circuit must work for the both besides I do not know if it was a cos or a sin. my circuit must work for the both.
  8. J

    Time reversal transformation

    Thank you steve for your answer my wave is either a sin or a cos and the transformation must be done in a time less than 2 periods
  9. J

    Time reversal transformation

    Please, I am looking for an electronic circuit which allows the time reversal transformation of a signal f(ωt) (i.e from f(ωt) to f(-ωt)). Thank you
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