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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?
What are the advantages of distributing windings in an alternator?
A signal comprises a bandwidth of 1kHz centred around 1kHz. A sine wave along with a frequency of 1250Hz is added to the signal. The bandwidth of the new signal is: 2250Hz
We can use Ampere's Law to calculate the magnetic field in the core.
Illustrate the types of classification and coding systems? Briefly explain Production Flow Analysis? Discuss the basic concept of Composite part and different kinds of cell desi
Squeeze Castings: Squeeze casting, also known as liquid metal forging, is a combination of casting and forging process . The molten metal is poured into the bottom half
Program Counter (PC) It is a 16 bit register. It is a memory pointer. It stores the memory address of the next byte of the program to be executed. Memory address is of
What is meant by doping? How does it affect a semiconductor? Doping: The process through which an impurity is added to semiconductor is termed as doping. A semiconductor to th
Determine RMS and average value: Determine RMS and average value of the output of half wave rectifier. Solution The waveform of current, output of the half wave rectif
Q. Explain Generating mode of rotating machines? The generating mode has mechanical power input and electric power output. The torque T applied externally to the shaft drives t
Explain different stage in energy audit?
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