Wave Walker DSP

DSP Algorithms for RF Systems

DSP: Explaining Why

Reducing the gain avoids ADC saturation. The dynamic range is improved and the signal can be seen.

ADC Saturation: Why More Gain Isn’t Always Better

May 18, 2022

Derivative of Sine and Cosine Using Euler’s Formula

April 6, 2022

The Brand New Wave Walker DSP eBook!

March 21, 2022

Figure 7: Increasing the length of the signal by 2 improved the DFT frequency resolution by a factor of 2! Compare the frequency response of Figure 6, both of which have 8-point DFTs.

DFT Frequency Resolution Explained

March 16, 2022

Can the Fourier Transform Magnitude Be Negative?

February 16, 2022

A radio receiver acts like an assembly line. Samples are held in a tapped delay line, operated on, and then passed along to the next operation.

Minimizing Filter Length: Explaining Why

February 9, 2022

Why are filters used in DSP? To combine, or synthesize, multiple signals into one.

Why are Filters used in DSP?

January 26, 2022

Figure 5: The impulse response of an odd length SRRC allows for optimal sampling by being able to select the peak at n=0. An even length SRRC filter does not.

Why an FIR Filter Should Have an Odd Length

December 29, 2021

Fourier Transform Explanation as a Cross-Correlation

December 22, 2021

The DSP Family Tree connects basic undergrad concepts to those used in graduate school and in industry

The DSP Family Tree: Grow Your Career

November 17, 2021

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

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