Biosignal Processing ELEG 546 Midterm Exam Spring 2019 Name: Duration: 2 hours grade of F in...
Biosignal Processing ELEG 546 Midterm Exam Spring 2019 Name: Duration: 2 hours grade of F in the notes allowed. You must do your own work. Cheating will result in a whole course. Show your work wherever possible. You will get partial course. credir No cellphones No pencils -use pen only Problem 1. (a) What is the difference between arn (b) A signal i analog and discrete (digital) signal? 300 Hz and 550 Hz. What shoul signal? f a mixture of two sine waves. The waves have frequencies of d be the minimum frequency used to sample this (e) State three advantages of digital over analog signals. Problem 2. (a) What is a low pass filter? What is its effect on an i (b) What is a high pass fiter? What is its effect on an image? Answer in (c) What is a high boost filter? What is the advantage of using it? mage? Answer in 2 lin es. is its effect on an image? Answer in 2 lines. 2 Problem 3. Take a look the following MATLAB m-file: I - imread(heartjpg') I-rgb2gray(1); imshow(l); A 1.2 K-[000;010,000] Sharpened imfilter(ITB); figure imshow(sharpened); 10