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A certain random signal has the autocorrelation functon given by the equation
Rx(tau)=0.5+1.5sinc(tau/2)
a)sketch the autocorrelation function
b)what is the total power in the signal? the power in the DC portion of the signal? and the power in the time-varying portion of the signal?
c) write the equation for and sketch the power spectral desity of the random signal
Calculate the distance, D at which communication from the space craft will be lost again? Assume both antennas are ideal.
draw a combinational logic circuit (using AND, OR, etc.) that implements the function. (Note: x is a multiple of 3 if x=i*3 for some integer i.)
Characteristics of a filter, A filter has the following characteristics: Attenuation = 3.0 dB from 0 Hz to 2 kHz. From 2 kHz to 20 kHz attenuation increases from 3 dB to 23 dB in a straight line when plotted on axes of power in decibels (vertical a..
You are designing a 2.4 GHz receiver with a 140 MHz IF. System design constraints require that the local oscillator power be minimized to reduce the potential for interference to other systems as well as to reduce the receiver power consumption.
If power Ps=10W, power gain factor G1=150, and power gain G2=14 dB, find the maximum value of LdB (path loss in dB) such that the power delivered to the resistor is -85 dBm.
A painter is standing on a work platform that is 27 feet above ground level. For fall protection, the worker''s safety harness D-ring is attached to a 12-foot shock absorbing lanyard that is securely fastened to the structure at a point 40 feet above..
What is bit rate of the transmission on the twisted pair? If the digital outputs of three identical video cameras are combined onto a single cable using time division multiplexing, what is the bit rate on the cable?
Explain why an instrumentation amplifier has more than one stage? How would you increase the output current of an op-amp?
A three phase, 25-hp, 440-V, 60-Hz, 1750 rpm, wound-rotor induction motor has the following equivalent circuit parameters:R1=0.20 ohms, X1=1.0 ohms, R2=0.15 ohms, X2=0.8 ohms, Xm=30 ohms The motor is connected to a three phase, 440-V, 60-Hz supply.
Discuss whether this is still true today, and what factors are moving wireless NICs into a more dominant role, if any.
an electric motor has an armture constant of 140, a flux of 25 mwh, an armuture current of 30 A , and a rotatio?nal speed of 1600 rpm. what is most nearly the power output in watt
generated by a loud speaker is reflected at two different walls with reflection coefficients r1 and r2. the signal x(t) recorded by amicrophone close to the loud speaker, after sampling is
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