![Figure 1: The two sequences for the autocorrelation of x0[n] and x0[n].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/5515-featured-125x75.png)
![Figure 3: The complex sinusoid e(j2 pi (2/4) n) only contains energy at X[2].](https://www.wavewalkerdsp.com/wp-content/uploads/wordpress-popular-posts/8136-featured-125x75.png)
Why Does the DFT Need Windowing Functions?
September 1, 2023
Most Popular
Install and Run LaTeX on macOS - Cross Correlation Explained With Real Signals
- Introduction to Interpolation and Upsampling
- Building a PSK and QAM Modulator in Python
- DFT Frequency Resolution Explained
- Using Euler’s Formula to Derive Sine and Cosine
- Deriving the Ideal Low Pass Filter (LPF)
- Half Band Filter Design: Exceptional Filtering Efficiency!
- How to Create Additive White Gaussian Noise (AWGN)
- Fourier Transform Explanation as a Cross-Correlation
Recent Blogs
Windowing Functions for Better Spectral Analysis
August 1, 2023
The Value of Internships
June 1, 2023
Celebrating 50,000 Page Views!
May 13, 2023
Comb Filter Introduction and Analysis
March 1, 2023
Band Pass Single Pole IIR Filter Design
February 1, 2023
Complex Frequency Shifting in Discrete Time
January 1, 2023
Complex Frequency Shifting in Continuous Time
December 1, 2022
The Design of Everyday Things: Book Review
November 1, 2022
Wave Walker DSP at GRCon 2022!
October 19, 2022
Deriving the Ideal Low Pass Filter (LPF)
October 1, 2022
Introduction to Interpolation and Upsampling
September 1, 2022
One Year Anniversary!
August 24, 2022
Buy the Book!
DSP for Beginners: Simple Explanations for Complex Numbers! The second edition includes a new chapter on complex sinusoids.
Subscribe via Email
DSP Resources
Page Views
- 69,218 page views
God, the Lord, is my strength; he makes my feet like the deer’s; he makes me tread on my high places. Habakkuk 3:19
This website participates in the Amazon Associates program. As an Amazon Associate I earn from qualifying purchases.