![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/wordpress-popular-posts/272-featured-125x75.png)
New WWDSP Book For Sale!
March 1, 2025
Trending
Barker Code Auto-Correlation Properties - Cyclostationary and Stationary Processes with Examples
- Using Euler’s Formula to Derive Sine and Cosine
- Designing FIR Filter Gain
- Designing an FIR Band Pass Filter with Remez
- Introduction to Interpolation and Upsampling
- Trigonometric Identity: sin(x)^2 + cos(x)^2 = 1
- Square Root Raised Cosine Filter in Python
- Digital Signal Processing through the Lens of the FIR Filter
- Basic Rules for Complex Numbers
Recent Blogs
Apollo 13 and Engineering Operations
February 1, 2025
Windowing Function Gain Normalization
January 1, 2025
Should I Get a Masters Degree?
December 1, 2024
What DSP Classes Should I Take?
November 1, 2024
How To Install GNU Radio Source Code
October 1, 2024
How to Travel Well At the Airport
September 1, 2024
Celebrating Three Years of WWDSP!
August 28, 2024
How to Count in Binary Numbers
August 1, 2024
![A BPSK signal s[n], real Gaussian noise w[n], and the received signal x[n] = s[n] + w[n] for SNR = 20 dB](https://www.wavewalkerdsp.com/wp-content/uploads/2023/12/HowToComputeSignalToNoiseRatioSNRInSimulation_signalNoiseTimeDomain-300x240.png)
Buy the Book!
The third edition of DSP for Beginners: Simple Explanations for Complex Numbers! Includes a new chapter on sampling.
