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Consider Rayleigh fading channel where the received power γ1 is exponentially distributed. The pdf of γ1 isp(γ1) = (1/γ0)*exp(-γ1/γ0)
where γ0 is a known constant.1.) If the threshold of outage is β >0, the outage probability of one branch is what?2.) What is the outage probability of a system with M diversity branches where pure selection scheme is employed. (Pure selection means choose the best one out of M branches.)
Suppose that V1 (t)=100cos(ωt) and V2 (t)= 100sin(ωt). Use phasors to reduce the sum Vs (t)=V1 (t)+V2(t) to a single term of the form Vm cos(ωt+θ). Draw a phasor diagram, showing V1, V2 ,and Vs. State the phase relationships between each pair of t..
A perfectelectric dipole is directed along the z-axis. In conventional spherical polar coordinates, at what values of the"dangle angle" q does the electric field have no z-component
a second instrument is required to measure the input signals up to 100Mz with an amplitude inaccuracy of less than 1% calculate the natural frequency requirements, if the damping retios are 0.3 and 0.6 respectively.
A cell-phone tower has a circular coverage area of radius 10 km. If a call is initiated from a random point in the coverage area, find the probability that the call comes from within 2 km of the tower.
Two cards are drawn at random from a single well-shuffled deck of playing cards. What is the probability of drawing the ace of spades followed by the jack of hearts. What is the probability of drawing an ace and a jack (in either order).
A synchronous generator is rated 1,300 MVA, 22,000 volt, three phase, 3600 rpm, 60 Hz with a synchronous reactance of 0.35 ohms per phase. The machine is delivering rated output at rated voltage and 0.94 power factor lagging.
A 25 cm length of coaxial cable with inner radius of a=2 mm, and the outer radius of 4 mm, is filled with air. If the total charge on inner conductor is 50nano-Coulombs, what are the charge densities of the inner and outer conductors
what single amount at the end of seven years is equivalent to a uniform annual series of %5000 per year for 12 years if the interest rate is 8% compounded annually
a) Describe the components and variables of the biological control apparatus involved in walking toward an object that can be seen on the horizon b) Why is walking a closed-loop operation
two fair dice are tossed until 3 is hit (i.e., the total number of dots is 3) Determine the average (i.e., expected) number of tosses required to hit a sum of 3
consider a system with a 0.1mw transmit power unit gain for the transmit and receive antennas operating at 50 mhz carrier frequency with a 100khz bandwidth.the system operates in a suburban environment.
a 14-bit successive approximation adc is used to sample a signal that has a full-scale range of 8V and a clock frequency of 12 MHz and a jitter of 50ns.initially this is used without a sample and hold amplifier.
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