EECS 452 Midterm: EECS 452 452W13EX1
Document Summary
On the closed book section you may not have books, notes, or calculator. You have about 120 minutes for the exam. You probably shouldn"t spend much more than 20 minutes on this section. Closed book portion: say you took a 16-point dft of the following signals with fs=3. 2 khz starting at time t=0. [3 points each: 2*sin(2 *400t+ /2, 2*cos(2 *800t) - 2, an fir filter has the impulse response shown below. If not, why not: write a legal c function named mult16 which takes two 16-bit q15 numbers as arguments and returns their product as a 16-bit q15 rounding appropriately. Use short as a 16-bit signed data type. 2: fill in the blank or circle the best answer. If you desire a frequency spacing of 2 hz in the dft of the sample set, you"ll need to sample for ________ ms. I have neither given nor received aid on this exam nor observed anyone else doing so.
