Wave Walker DSP

DSP Algorithms for RF Systems

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DSP

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

Figure 2: An example of a cyclostationary process. The distribution for each day is stationary, but is periodic in time.

Cyclostationary and Stationary Processes with Examples

April 20, 2022

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

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

Trigonometric Identity: sin(x)^2 + cos(x)^2 = 1

March 9, 2022

Is the Nyquist Sampling Rate Satisfied? (Homework Problem)

March 2, 2022

Figure 2: The impulse response and frequency response of the LPF after the FIR filter gain is normalized to 0 dB at omega = 0.

Designing FIR Filter Gain

February 23, 2022

Can the Fourier Transform Magnitude Be Negative?

February 16, 2022