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Explain the modulation response of laser for small-signal modulation. Derive an expression for signal-to-noise ratio in APDs.
Explain principle of MSM photo detectors in detail. Write down the importance of Q factor and how is it related to BER.
Describe the SPM and XPM effect in optical fibers. Derive an expression for receiver sensitivity of an APD.
Write down the difference between material and waveguide dispersion? Explain the principle of operation of laser?
What are the causes of dispersion in single mode fibers? Describe each of them in detail.
Describe briefly modal noise in optical communication. Write down the advantages and disadvantage of APD (Avalanche Photodiodes) based optical receivers.
Describe leaky-capacitor concept in Vidicon in detail. Describe luminance and chrominance signals.
Write down the advantage of VSB modulator. What do you mean by the resolving power of a camera tube?
Explain the basic principle of automatic gain control and illustrate how it is applied to tube and transistor amplifier.
Write down the principle of operation of a monochrome camera tube. Sketch the block diagram of V.H.F Tuner.
Describe the working principle of water sealed spirometer set up to measure slow lung – volume changes.
Distinguish between active and passive transducers. Draw the action potential waveform and label an amplitude and time values.
Describe electrode skin interface with its equivalent electrical circuit. Describe the X-ray technique of radiography with diagram.
Describe sphygmomanometer with working principle and circuit. Describe the terms: TIDAL volume, LUNG COMPLIANCE.
Describe the working of cardiac pacemakers with its block diagram, working and different pacing modes of operation.
Describe the selection criteria for transducers. What are different physiological effects of electric current?
What are neural networks? Compare the feed forward and feed backward strategies used in such kind of networks.
How do rules in prolog differ from general production system rules? Describe the difference between forward and backward chaining and under what conditions each would be best to use for a given set
How is procedural knowledge different from declarative knowledge? Explain the two quantifiers used in predicate calculus and give one example of each.
Is the supposition of change in temperature valid for computing the discharge pressure of the compressor?
Draw and describe phasor diagram for the R-L series circuit. Write down the merits and demerits of nuclear power plant.
Demonstrate the following types of sections: Half section, Partial or broken art Section, offset section, revolved section, removed section.
What is the function of providing ‘straight’ and ‘angular clearance’ in the die block? List the different types of clamping devices and describe any two with figures.
Sketch the isometric view of the given plan and elevation. Sketch the vertical section of a solid cylinder. Radius of base is 2.5 c.m. and height of cylinder is 8 c.m.
What is the difference between transverse and longitudinal vibrations? Is it correct that the linear systems tend to become non-linear with large vibration amplitudes?