
DFT Frequency Resolution Explained
March 16, 2022

Trigonometric Identity: sin(x)^2 + cos(x)^2 = 1
March 9, 2022

Designing FIR Filter Gain
February 23, 2022
![Figure 6: The magnitude of the cross correlation between c[n] and y[n], |Ryc[tau]|.](https://i0.wp.com/www.wavewalkerdsp.com/wp-content/uploads/2021/12/CrossCorrelationExplainingTimeLags_barkerCrossCorrAbsNoisy.png?resize=150%2C150&ssl=1)
Cross Correlation: Explaining Time Lags
January 12, 2022

Fourier Transform Linearity Property Derivation
January 5, 2022

Fourier Transform Explanation as a Cross-Correlation
December 22, 2021
![Figure 4: The two sequences for the cross correlation of x0[n] and x3[n].](https://i0.wp.com/www.wavewalkerdsp.com/wp-content/uploads/2021/11/correlationExplained_timeDomain_x0x3.png?resize=150%2C150&ssl=1)
Cross Correlation Explained With Real Signals
December 1, 2021

Derivative Filter Impulse Response Derivation
November 24, 2021

Using Euler’s Formula to Derive Sine and Cosine
November 24, 2021

Fourier Transform Convolution Property Derivation
November 17, 2021