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Consider an S band (3 GHz) radar with a rotating aperture antenna with a width of 3 m. Suppose the antenna rotates at a rate of one rotation every 10 seconds. Assume the 3 dB beamwidth Θ3 of the antenna is given by Eq. in the text with k = 2. What is the 3 dB beamwidth in degrees? What is the Nyquist sampling interval in angle, TΘ? How many pulses per 3 dB beamwidth does this correspond to? What is the minimum PRF required to achieve this angular sampling rate?
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Explain i onic polarization. Ionic polarization is polarization that is caused by relative displacements between negative and positive ions in ionic crystals (for illustrati
Q. Present and Future Trends in power systems? According to the Edison Electric Institute, electricity's share of U.S. primary energy was almost 36% in 1989, and it is likely t
Q. What are the advantages of an RC coupling over a direct coupling? Draw a basic Rc coupling network and explain. Figure -RC-coupled transistor amplifier The network
Effective Mass The electrons' "wave-particle" motion in a lattice is not the same as that for a free electron, because of the interaction with the periodic potential of the
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Transmission And Distribution Losses - Electrical Energy Previously, you have learnt that there are inherent losses in transmission and distribution of electrical energy from
(a) What is understand by clipping circuit. Draw and illustrate different types of diode clipping circuits? (b) With the help of circuit diagram describe the working of centre t
matlab program for verifying maximum power transfer
What is Average value in AC circuit?
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