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consider a communication channel corrupted by noise. let X bethe value of the transmitted signal and Y be the value of thereceived signal. assume that the conditional density of Y given(X=x) is Guassian, that is, fy/x(y/x)=1/√2πσ*σexp(-(y-x)squared/2σsquared).and x is uniformly distributed on[-1,1].what is the conditional probability density of X given Y (i.e fx/y(x/y)?)
there are two infinite lines, each carrying uniform charge density and they reside in free space located parralel to the z axis at x = -1 and x =1. determine E at an arbitrary point along the y axis.
Assuming the material is GaAs, calculate the Quasi-Fermi levels if the injected carrier concentration is 2x1018 cm-3.You can use the effective mass approximation and consider only the heavy hole in the valence band.
An engineer needs to detect a binary strings of any length or composition provided that each contains at least one substring of "1101". a) Draw the state diagram of this finite state machine.
1- for the linear system : Sak y(n-k) = S br x(n-r) , (series a are from k=0 to n ) & ( series b from r=0 to m) a- find H(z) b- does this equation uniquely specify the unit sample response of l.s.i system c- choose, stable and casual system ,discuss ..
a) Implement the function F using a minimum number of NAND gates; no additional gates may be used, but you can assume that all variables and their complements are available. e) Implement the function F using only a 3-to-8 decoder
Suppose a DC power source with a voltage of 50 volts is connected to a 10-ohm load. How much power will this load dissipate. Now suppose the same 10 ? load is connected to a sinusoidal AC power source with a peak voltage of 50 volts.
Use the fact that x = 2 and y = 0 at t = 0 to determine the appropriate value of the arbitrary constant in the solution set.
A galvanometer has 25 divisions in full scale. Its sensitivity (k) is .2mA/div and resistance (Rg) is 50 ohms. Construct voltmeter using the galvanometer and a 2950 ohms resistor, how will you use the resistor (series or parallel to galvanometer)
A network has an input impedance of 120+100j ohm. what is the capacitance that should be placed in parallel with the network to provide an input impadance with a magnitude of 100O at w=1000 rad/s
1. A MOD 8 down-counter is holding the count 101 (base-2). What will the cound be after seven clock pulses 2. A MOD 5 and a MOD 20 counter are cascaded. What is the output frequency if the input frequency is 60MHz
Interface TTL logic to 120 VAC lamp. In this part of the lab, you will interface lowpower solid state electronics to the "outside world" by switching the 120 VAC lamp on and off using the AND gate from the previous experiment.
A Motorola 68000 microprocessor-based data acquisition system incorporates memory ( EPROMS and SRAMS), an Analog-to-Digital Converter (A/D), a Centronics Parallel Printer, and a very simple I/I Device made up of a single push-button switch.
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