Summation in Function h(τ)
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Questions and Answers

What does the term $a_i$ represent in the expression $h(τ) = ∑ aᵢδ(τ - τᵢ)$?

  • Values of $τ$ at which the delta function is centered
  • The coefficients associated with each delta function (correct)
  • A constant value unrelated to the summation
  • The total number of terms in the summation
  • What role does the delta function $δ(τ - τ_i)$ play in the expression?

  • To represent continuous data over $τ$
  • To sum all the terms over a continuous range
  • To exponentially decay values at certain points
  • To provide a way to pick values at discrete points (correct)
  • If $τ_i$ are distinct values, what happens to $h(τ)$ as the number of terms in the summation increases?

  • It converges to a uniform distribution
  • It remains constant regardless of $τ$
  • It will show an increasing density of points (correct)
  • It becomes a piecewise function with more discontinuities
  • Which of the following statements is true about the expression $h(τ)$?

    <p>It is a summation of impulses located at points $τ_i$</p> Signup and view all the answers

    In which scenarios would the expression $h(τ)$ equal zero?

    <p>Both A and B are correct</p> Signup and view all the answers

    Study Notes

    Function h(τ)

    • h(τ) is defined as a summation
    • The summation is over all values of i
    • Each term in the summation is a_iδ(τ - τᵢ)

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    Description

    Explore the function h(τ) defined as a summation over values of i. Understand each term in the summation, specifically how a_i and δ(τ - τᵢ) interact within the function. This quiz will test your comprehension of the concepts involved in this mathematical function.

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