Line 17: Line 17:
 
| Conjugate & Conjugate Symmetry || x[n] → X<sup>*</sup>(-ω) || Example
 
| Conjugate & Conjugate Symmetry || x[n] → X<sup>*</sup>(-ω) || Example
 
|-
 
|-
| Parversal Relation || Example || Example
+
| Parversal Relation || <math>\sum_{n=-\infty}^{\infty }</math> || Example
 
|-
 
|-
 
| Convolution || Example || Example
 
| Convolution || Example || Example

Revision as of 22:44, 18 March 2018

Discrete-Time Fourier Transform Properties with Proofs


Property Name Property Proof
Periodicity Χ(ω + 2π) = Χ(ω) Example
Linearity ax1[n] + bx2[n] → aΧ1(ω) + bΧ2(ω) Example
Time Shifting & Frequency Shifting 1) x[n - no] → e-jωnoX(ω)

2) e-jωonx[n] → X[ω - ωo]

Example
Conjugate & Conjugate Symmetry x[n] → X*(-ω) Example
Parversal Relation $ \sum_{n=-\infty}^{\infty } $ Example
Convolution Example Example
Multiplication Example Example
Duality Example Example
Differentiation in Frequency Example Example

Alumni Liaison

Basic linear algebra uncovers and clarifies very important geometry and algebra.

Dr. Paul Garrett