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Given the difference equation
a. Find the H(z);
b. Determine the impulse response y(n) if the input x(n) = δ(n);
c. Determine the step response y(n) if the input x(n) = 10u(n).
The resistance of coil manufactured by a certain company is claimed to have a mean value of resistance of 100 ohms. A sample size of 50 coils is taken and it is found that the sample mean is 115 ohms and the sample standard deviation is 10 ohms.
The current in a solenoid is 5amps when it is connected to a 24v battery and 1.2amps when it is connected to a 24v, 60 Hz alternating current power source. Find the resistance and the inductance of the coil.
For radio channels the constellation size is often 4, for moderate signal to noise ratios. for such a constellation size in a 5 MHz channel using QAMP with no intersymbol interferance, what is highest bit rate ?
Derive an expression for evaluating the measurement error, ?Terr = Ttip - T8,i, which is the difference between the tip temperature, T lip , and the water temperature, T8.i'
If an aircraft is present in a certain area,a radar correctly registers its presence with probability 0.99. If its is not present,the radar falsely registers an aircraft presence with probability 0.10. We assume that an aircraft is present with pr..
When fed from a signal source with a peak amplitude of 0.1v and a source resistance of 20k , the peak amplitude v(pi)is 5mv. specify Re and bias current Ic. The BJT has beta =100. If the total resistance in the collector is 5 k,
1use polar coordinates to find the volume of the given solid. below the paraboloid z 36 - 9x2 - 9y2 and above the
If non-ideal interface trap density of Dit = 5x1010/cm2/eV is to be considered, what is the shift in the flat band voltage. Assuming all interface traps are acceptor-like (negatively charged if filled with an electron and neutral if empty)
It is required that the network be stable and that no component of its response decay more rapidly than K1e^-3t. Show that these conditions are satisfied if K2>0, |K1| 3K1. Crosshatch the area of permitted values of K1 and K2 in the K1-K2 plane.
If the length of each fiber is 500m, find the intermodal delay and the maximum achievable bit rate. How many channels can be connected to the SLM switch considering each channel's data capacity and the modulation speed of the acousto-optic modulat..
An additional variable power factor load is to be added to the factory. The new load will add 320kW to the factory. The power factor of the variable factor load is to be adjusted so that the overall power factor of the factory is 0.96 lagging.
Let x[n], y[n] and w[n] denote three finite-lenght sequences of lenghts N, M, and L, respectively with the first sample of each sequence occuring at n=0. What is the lenght of the sequence x[n] * y[n] * w[n]
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