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A speech signal with bandwidth of 4 kHz is sampled at 8 kHz. The signal is corrupted by sinusoids with frequencies 1 kH, 2 kHz, and 3 kHz.
1. Design an IIR filter using notch filter components that eliminates these sinusoidal signals.
2. Choose the gain of the filter so that the maximum gain is equal to 1, and plot the log-magnitude response of your filter.
3. Load the handel sound file in MATLAB, and add the preceding three sinusoidal signals to create a corrupted sound signal. Now filter the corrupted sound signal using your filter and comment on its performance.
Find the magnitude and phase angle of the load reflection coefficient, the maxima and minima of the total voltage and of the current of the line and their locations, and the standing wave ratio of the line, and sketch the voltage and current stand..
Determine the fundamental frequency w0, the period t0, and the coefficients in the representation X(t) = x0 + Re{k=1N Xkejkwot} for the above input. Remember, you can do this problem without evaluating any integrals.
If passwords are three uppercase alphabetic characters long, how much time would it take to determine a particular password, assuming that testing an individual password requires 5 seconds
Let λ = 0.02 V-1 for M10. If the transistor bias currents in M10 and Q12 are 150 μA and the current in Q13 is 300 μA, determine the dominant-pole frequency and unity-gain bandwidth.
Write a Verilog entity declaration for a component that calculates the square of a signed fixed-point number with 4 pre-binary-point and 6 post-binary-point bits. The result is unsigned, with 8 pre-binary-point and 6 post-binary-point bits.
Define the doppler effect giving a practical example.- Consider the two cases of doppler efferct giving the definitions of each term used.
Show by means of a drawing what happens if the angle is not an integer divisor of 180°. Use an angle of 75° as an example.
Draw the block diagram for the decimator.
The maximum speed of a 3.1 -kg mass attached to a spring is 0.70 m/s, and the maximum force exerted on the mass is 13 N. (a) What is the amplitude of motion for this mass?
Find the output response, c (t), for each of the systems shown below. - Also find the time constant, rise time, and settling time for each case.
The z axis is the long axis of the cylinder. The conductor has a permeability 'mu' which does not equal 'mu-0'. Outside the conductor is a vacuum.
A power amplifier employs an output stage whose gam vanes from 2 to 12 for various reasons. What is the gain of an ideal (non varying) amplIfier connected to drive it so that an overall gain with feedback of 100 ± 5% V/V can be achieved
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