
Derivative of Sine and Cosine Using Euler’s Formula
April 6, 2022

Oppenheim DSP Lectures YouTube Video Playlist
March 23, 2022

The Brand New Wave Walker DSP eBook!
March 21, 2022

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


Can the Fourier Transform Magnitude Be Negative?
February 16, 2022

New GNU Radio Beginner Tutorials!
February 2, 2022

Why are Filters used in DSP?
January 26, 2022
![Figure 6: The magnitude of the cross correlation between c[n] and y[n], |Ryc[tau]|.](https://www.wavewalkerdsp.com/wp-content/uploads/2021/12/CrossCorrelationExplainingTimeLags_barkerCrossCorrAbsNoisy-150x150.png)
Cross Correlation: Explaining Time Lags
January 12, 2022

Fourier Transform Linearity Property Derivation
January 5, 2022