![Figure 1: The two sequences for the autocorrelation of x0[n] and x0[n].](https://www.wavewalkerdsp.com/wp-content/uploads/2021/11/correlationExplained_timeDomain_x0x0-150x150.png)
Cross Correlation Explained With Real Signals
December 1, 2021
![Figure 4: The frequency-response of H(e(j omega)) for multiple Nyquist zones.](https://www.wavewalkerdsp.com/wp-content/uploads/2021/11/derivativeFilterDerivation_discreteTimeMagPhase-2-150x150.png)
Derivative Filter Impulse Response Derivation
November 24, 2021
![](https://www.wavewalkerdsp.com/wp-content/uploads/2021/11/cosineEulersFormula-2-150x150.png)
Using Euler’s Formula to Derive Sine and Cosine
November 24, 2021
![](https://www.wavewalkerdsp.com/wp-content/uploads/2021/11/fourierTransformConvProperty-150x148.png)
Fourier Transform Convolution Property Derivation
November 17, 2021
![](https://www.wavewalkerdsp.com/wp-content/uploads/2021/09/fourierTransformConjTimeRev-150x150.png)
Fourier Transform Pairs of Conjugation and Time Reversal
November 17, 2021
![](https://www.wavewalkerdsp.com/wp-content/uploads/2021/11/listOfImportantMath-1-150x150.png)
List of Important Math for DSP
November 3, 2021