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When carrying out an FFT of a cosine wave whose frequency is 0.1Hz and whose amplitude is unity , explain why the peak amplitude measurement obtained in the range 0.09Hz to 0.11Hz should be 0.5
Compute the amount of time required to deliver 10 frames to the receiver with stop-and-wait flow control. Assume that all frames and ACKs are received correctly.
A certain load takes 10kW at 0.5pf lagging when connected to a 230V, 60Hz source. The supply company charges a penalty when the power factor fall below 0.8. What size of capacitor must be used in order to avoid penalty
design op amp circuit to produce output vout which is related to inputs v1, v2 and v3 by expression vout= -(3v1+5v2+8v3). assume max permitted resistor value= 200k. use only one op amp
Calculate the electric field intensity at a distance 'd' along the z-axis in terms of a,b,c, and d. Explain your reasoning. This result should be analytic.
Signal w(t) is input to the filter. This signal is white noise, with PSD = N0/2. If we denote the filter output as n(t), what is the power in n(t) We input v(t) + w(t) into the filter, where v(t) = Ac cos(2pif0t). If Ac=4, what is the output signal..
A 3-element uniform linear array with inter-element spacing of λ/2 is operated as a broadside array ,find the directions of null radiation , find the direction and the relative level of the side lobe .
A voltage source is in series with a 1 MΩ resistor and a100 picofarad capacitor. The voltage source is 10cos(2π*10^3t - π/6). What is the voltage across the capacitor
What is correct symbol rate (pulse rate) for this link? What is the bit rate with BPSK modulation? What is the bit rate with QPSK modulation?
State Carson's rule for bandwidth estimation. What does it reduce to for NBFM and WBFM and d erive an time domain expressionfor the output xd(t) of the system
Calculate the following: A. What is the magnitude of the voltage in a wall socket if the effective voltage is 240 Vrms B. What is the magnitude of the current if the effective current is 360 mA rms
as was mentioned the one-way bandwidth available to a single operator in the amps system is 12.5 mhz with a channel
The insulation resistance of a kilometer of the cable having a diameter of 2 cm and an insulation thickness of 2 cm is600 ohms. if the thickness of the insulation is increased to 3 cm, find the insulation resistance of the cable.
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