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a. Explain briefly how action potentials are generated and propagated in a human body.
(10 Marks) (10 Marks)
b. With a neat block diagram, explain the objectives of biomedical signal analysis.
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a. Explain briefly about the 12-lead ECG system. Also derive the expressions for aVR, aV₁, and
aVF using mesh equations and vector diagram.
b. Discuss about the two types of electrodes used in ECG c. Explain briefly about monitoring lead systems.
(10 Marks)
(06 Marks)
(04 Marks)
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a. What are the different elements of a digital filter? Mention the advantages of digital filters over analog filters.
b. If the output sequence of a digital filter is {1, 3, 2) in response to a unit impulse, what is the transfer function of this filter? Draw the poles and zeros of this transfer function mentioning the ROC. Source
(10 Marks)
(05 Marks)
C. The Z-transform of a filter is H(z)=(1+22+z). What is the i) amplitude response; ii) phase response; iii) difference equation?
(05 Marks)
a. Explain the cancellation of 60 Hz interference in an ECG signal using adaptive filters.
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b. Discuss briefly about different applications of adaptive filters.
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C. In a signal averaging application, the noise amplitude is initially 16 times as large as the signal amplitude. How many sweeps must be averaged to give a resulting signal-to-noise ww.vture
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PART-B
a. Show that a signal averaging improves the signal to noise ratio (SNR) by a factor of √m, where m is the number of sweeps considered.
(10 Marks)
b. With a neat block diagram, explain a typical signal averages.
(06 Marks)
(04 Marks)
a. Classify the different data reduction techniques. Explain the turning point algorithm used for
(10 Marks)
{1, 1, 1, 1, 1. 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 4, 4, 4, 4, 5, 5, 5, 6, 6, 7}. Illustrate Huffman
(10 Marks)
a. Explain briefly the QRS detection algorithm.
With a neat sketch, explain the power spectrum of an ECG. Also explain automata based template matching of QRS detection.
(10 Marks)
(10 Marks)
Explain briefly about portable arrhythmia monitor with a neat sketch.
b. Explain briefly about VLSI applications in medicine.
Important Note: 1. On completing your answers, compulsorily dr
2. Any revealing of identification, appeal to evalu
(10 Marks) (10