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Recent content by manipulator83

  1. M

    How is unit-sample function defined?

    Function Unit sample function is also know as Dirack impuls(i hope i write this one right). Unit sample is derive of unit step function. i think
  2. M

    Diferen among discret and Continuous

    discret signals for example you can show like set of integer numbers
  3. M

    What is the best math site for formula and stuff?

    Math site? there is huge varity of sites exmpl. https://mathworld.wolfram.com
  4. M

    What is the value of acceleration constant?

    Acceleration constant 9.81 m/s*s
  5. M

    What is the LHospital rule?

    L'Hospital rule? Chek this site for formulas and Definition : https://mathworld.wolfram.com/
  6. M

    What is the Laplace transformation?

    Re: Laplace transformation Check this site: https://mathworld.wolfram.com
  7. M

    What is the cascade relation among two functions

    Re: Cascade relation x(t)--->[h(t)]--[j(t)]--->y(t) this equals this form: x(t)--->[h(t)*j(t)]--->y(t) h(t)*j(t) this is convolution previously topic answered!
  8. M

    Definition of convolution among two discreet signals in time

    Re: Convolution For example we have two discret signals like x[n] and h[n], convolution among those two signals is signal y[n] and formula is: y[n]=x[n]*h[n]={x[k]h[n-k] where * is a symbol of convolution { iz a SUM that goes from k=-infinity to k=+infinity. This is applied very much in DSP...
  9. M

    How is unit-sample function defined?

    Re: Function this is discret function and it is define like this: b[n]={ 0, n not 0 {1, n=0
  10. M

    What formula conjuncts characteristic function with moment?

    Re: characteristic function I think it is Hx(0)[n]=j(n)Mn Hx(0)-characteristic function and [n] derivation j-imaginary 1 (n) - abstract Mn-moment of n
  11. M

    amd 64 3000+ & matlab 7 problem

    You need do download servicepack for matlab ( i think this will upgrade your matlab 7 to matlab 7.1).... The problem is with 64 bits arhitecture...I think this is solution on your problem...
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