
Why are Sinusoids used in DSP and RF?
September 18, 2021

Basic Rules for Complex Numbers
September 17, 2021

How Euler’s Formula Relates Triangles, the Unit Circle and Complex Sinusoids
September 16, 2021
![Figure 1: A moving average filter is implemented by delaying the input signal x[n] and then scaling by 1/3 and summing all results.](https://www.wavewalkerdsp.com/wp-content/uploads/2021/09/movingAverageLength3-150x150.png)
Digital Signal Processing through the Lens of the FIR Filter
September 1, 2021

Signal and Noise: The Vocabulary of RF
August 31, 2021

Central Limit Theorem: Fact or Fiction?
August 30, 2021