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| + | Grading format: | ||
| + | <br>Similar to the grading format of HW1, HW2 is graded for completeness as well as theoretical understanding of course material. | ||
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| + | <br>Comments: | ||
| + | <br>- In Q2, <math>(-1)^n = e^{j\pi n}</math>. | ||
| + | <br>- When computing the DTFT using the summation formula, note that some expressions are in the form of geometric series. | ||
| + | <br>- In Q3, convolution must be separated into various cases. The analytical expression will vary depending on the case. Also, drawing the signals is very helpful. | ||
Revision as of 06:54, 9 February 2009
Grading format:
Similar to the grading format of HW1, HW2 is graded for completeness as well as theoretical understanding of course material.
Comments:
- In Q2, $ (-1)^n = e^{j\pi n} $.
- When computing the DTFT using the summation formula, note that some expressions are in the form of geometric series.
- In Q3, convolution must be separated into various cases. The analytical expression will vary depending on the case. Also, drawing the signals is very helpful.
