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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?
Signals in Noise: Let us now consider a weak information signal that is to be amplified by a noisy amplifier. The signal-to-noise ratio (SNR), usually expressed in decibels, be
Design a MOD-6 synchronous counter using T Flip-Flops.
What is the difference between a zinc-blend and Si diamond lattice structure?
Explain LDA, STA and DAA instructions LDA copies the data byte into accumulator from the memory location particular by the 16-bit address. STA copies the data byte from the acc
Q. A particular BJT has a nominal value of α 0.99. Calculate the nominal β.If α can easily change ±1%, compute the percentage changes that can occur in β.
Q. Define Transmission-system efficiency? The transmission-system ef?ciency is de?ned as the ratio of the real power delivered to the receiving-end bus to the real power transf
Components of PLC There are followings three main components of PLC : a.The power supply and rack. b.The central processing unit ( CPU) c.The input / output (I/O
With the help of energy bands explain how conduction takes place in conductors, semiconductors and insulators. On the basis of energy band materials are categorized as insulato
Problem : a) What is the definition of Electromagnetic Compatibility (EMC) according to the International Electrotechnical Commission (IEC) and why is it gaining increasing imp
Voltage is referred as Potential difference among two points. Potential means its force. I think so.voltage defination is 100% correct.
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