EC ENGR 113

Digital Signal Processing

Description: Lecture, four hours; discussion, one hour; outside study, seven hours. Enforced requisite: course 102. Relationship between continuous-time and discrete-time signals. Z-transform. Discrete Fourier transform. Fast Fourier transform. Structures for digital filtering. Introduction to digital filter design techniques. Letter grading.

Units: 4.0
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Overall Rating 2.7
Easiness 1.7/ 5
Clarity 2.9/ 5
Workload 2.1/ 5
Helpfulness 2.6/ 5
Most Helpful Review
Winter 2022 - If you're considering taking this class with Alwan, I wouldn't be discouraged by the negative bruinwalk rating. She isn't the most engaging lecturer, but will take time explain difficult concepts, and will stop lecture to clear up any misunderstanding that you may have. The pacing of the class is a bit odd, where the first half of class that covers material similar to 102 drags on a bit too much, and the latter half feels a little fast. However, I felt like there was still enough time to grasp the material. The homework assignments seem simple at first glance (usually three to four problems per week), but the problems are usually pretty thorough with multiple parts, so they will end up taking a good portion of time. I had Jinhan as my TA, and every week he would post discussion notes consisting of the answers of similar problems, which were especially helpful with difficult homework questions. This class is not very heavy on homework, and additional review of the textbook practice problems were helpful for exams. In terms of the exams, they were pretty fair. There was one midterm and one final. A good portion of the questions on there were related to the homework questions, but there were some parts that required some additional thinking. Paying attention to the examples she spends time going over on the lecture definitely helps. We were also allowed a sheet of written notes, which helped with all the different formulas. The exams definitely weren't easy, they weren't unreasonably difficult either. Overall, I'd recommend not being discouraged in taking this class with Alwan. There likely are better professors for 113, but there's no need to restructure your schedule to make that happen. You'll learn the concepts well, just that the overall curve might not be as generous as you would wish.
Overall Rating N/A
Easiness N/A/ 5
Clarity N/A/ 5
Workload N/A/ 5
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