No. of Pages: 2

AP] ABDUL KALAM TECHNOLOGICAL UNIVERSITY
FIRST SEMESTER M.TECH DEGREE EXAMINATION, DECEMBER2018
Branch:
Electronics and Communication Engineering
Streams:

1. Signal Processing

2. Translational Engineering

0۱٢٢6315: BIOMEDICAL SIGNAL PROCESSING

Answer any two full questions from each part
Limit answers to the required points.

Max. Marks: 60 Duration: 3 hours
PART A

1. ദ, Discuss about the origin of bio potentials with example. 2

b. Explain objectives of biomedical signal analysis. 2

c. Identify and design a filter to remove noise from a signal when no cut off frequencies 5 are

given. Illustrate with an application.

2. ട്ട, Designa filter with two zeroes to remove the interference for a biomedical signal 4 sampled
at 500 Hz was found to have a significant amount of 60Hz interference.

b. Explain the pros and cons of synchronized averaging. 3
c. Explain about the difficulties encountered in biomedical signal acquisition and 2
analysis.

3. 3. Atypical biomedical signal analysis of asubject shows that theacquired signal is 6
affectedbyhighfrequencynoise. Design afrequency-domainfilterwhich hasminimum
computationalcomplexity toremove thisnoise withminimal lossofsignalcomponents
inthespecified passband givenbelow. 540112, fs=200Hz.Choosc theorderofthe
filtertobeN=4.Assumethedatawhicharenotgiven.

b. Explain the electrical system of the heart and how ECG signal is acquired. 3
PART B
4. ദ. Demonstrate howPanTompkins a | ஜர்‌ thm scanbeusedforrealtimeQRSdetection with 5 an

application.

Explain how muscle noise encountered during ECG acquisition can be rectified using 2 signal
processing technique.

Write notes on EEG rhythms and waveforms 2