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a determine the ratio of cross section of a circular waveguide to that of a rectangular one if each is to have similar cut off wavelength for its
a describe the meaning of standing wave ratio what is the formula for it if the load is purely resistive why is a high value of swr often
a the antenna current of an am broadcast transmitter modulated to depth of 40 by an audio sine wave is 11 amp it enhances to 12 amp as a result of
a explain the meaning of amplitude modulation show that the am output having two sidebands and the carrier frequencyb illustrate that the equivalent
a enlist the benefits and drawbacks of in band and out band voice signallingb describe channel associated mode channel non-associated mode and
a explain state transition diagram and define the various sdl symbols used in state transition diagramb draw the signal exchange diagram for a local
a explain the time division space switchingb verify the execution complexity of 2048 channel tst switch with 16 tdm links and 128 channels let the
a three stage switching structure is to accommodate n 128 input and 128 output terminals for 16 first stage and 16 last stage verify the number of
a discuss the benefits and limitations of utilizing wind energy for electricity generationb draw the block diagram representation of a thermal power
a describe why a three-phase induction motor rotates always with a speed less than the synchronous speedb state the principle of operation of a
a determine the power flow diagram for a dc generatorb a shunt wound dc generator delivers 496 a at 440 v to a load the resistance of the shunt
a state the principle of working of transformerb a 230110 v single-phase transformer takes an input of 350 volt-amperes at no load while working at
a describe schmitt trigger with the help of transfer characteristicsb also get the expression of hysteresis voltage vh and output waveform for
a describe what you understand by offset voltage and offset current of op-amp discuss with a neat circuit diagram the method used for minimizing
a describe briefly with suitable diagrams how power amplifiers are classified with reference to operating pointb get the maximum efficiency of class
a with neat circuit diagram and frequency response curve define the two stages rc coupled amplifier what are its benefits and applicationsb sketch
q we have discussed three different color spaces rgb hsi and cmyk specify the need for multiple color spaces why can we not use only oneq a telescope
q discuss how wavelet transform is suitable for each application below you can give examples if you need toa multi-resolution analysis of signals
compute the fourier transform of the following functionfx exp - x2 2sigma2 cos 2pixkwhere sigma and k are constantswhat is the minimum sampling
consider the filter hnm describing the input-output relationship belowgnmfn-1m fnm-1 fn1m fnm1a what is the impulse response of this filterb
i cant imagine of something called complex frequencyi find it important for laplace transformationbut i am lacking the physical explanationplease
hi what is the time response for a closed loop transfer functionhs 10s2 s 1 to delta function
the two sides of a triangle are 17 cm and 28 cm long and the length of the median drawn to the third side is equal to 195 cm find the distance from
question calculate the calcium carbonate equivalent hardness of calcium sulphate of 5gms present in one
4 modify the circuit designed for question 3 to provide an emergency stop which will park both cylinders in the extended position ie a b