Digital Signal Processing

Largely based on Purdue University’s ECE538, Fall 2025, taught by Dr. Mike Zoltowski.

ECE538 Week 6: CTFT and D/A Conversion

The purpose of this week is to revisit the continuous time fourier transform (CTFT) to prepare to understand sampling theory and digital to analog (D/A) conversion.

ECE538 Week 4: Frequency Response of LTI Systems

The purpose of this week was to understand how pole/zero placement of the impulse response can affect the frequency response of an LTI system.

ECE538 Week 3: Z-Transform & DT Fourier Transform

The purpose of this week is to revisit the idea of the Z-transform and DTFT.

ECE538 Week 2: Autocorrelation and Cross-Correlation

This is where new content for the course starts. The purpose of this week was to understand autocorrelation, its properties, and its applicatiions.

ECE538 Week 1: Discrete Time Signals and Systems Basics

The purpose of this week was to easily slide into the course material and work with convolution in the discrete time case.

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