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For a speech signal, if the ratio of the RMS value over the absolute maximum value of the signal is given, that is, ¼ 0:25, and the ADC bipolar quantizer uses 6 bits, determine
a. The number of quantization levels;
b. The quantization step size or resolution, ?, if the signal range is 5 volts;
c. The signal power to quantization noise power ratio.
What observations can be made about a physical system that has both pole and zero locations that are not real-valued or complex conjugate pairs.
Target corporation(TGT) WACC (weighted average cost of capital) computation for 2010 to 2014
Each of the four members of a "jukebox jury" is provided with a pushbutton; the button is pressed if the record played is a "hit" and is not pressed if the record played is a "miss". Design a digital logic system that lights a lamp
Given 100-MHz clock signal, derive a circuit using D flip-flops to generate 50-MHz and 25-MHz clock signals. Draw a timing diagram for all three clock signals, assuming the flip-flops introduce no delay.
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
Consider an angle-modulated signal xc(t) = 10 cos{(10^8)pi t + 5sin 2pi(10^3)t}. Find the maximum phase deviation. Find the maximum frequency deviation.
The information signal amplitude is 1.5 V. Determine the carrier frequency and information signal frequency. If the output deviation changes to between 90.002 and 89.998 MHz, calculate the information signal amplitude.
The cast steel torroid shown below has a rectangular cross-section. If the flux in the core is known to be 7.75mWb and the coil has 200 turns, determine the current in the coil. dimensions on the torrid. 300mm id; 400mm od; 100mm tall
Ethylene is first chlorinated to form tetrachloroethane, which is dehydrochlorinated to form trichloroethylene. The standard heat of formation of liquid trichloroethylene is -276.2 kJ/mol. Use the given data and tabulated data for ethylene and HCl..
What parallel redundancy does to the power distribution system?
Assume that you have two DC voltage sources of 1.5 volts each (like two AA batteries). The positive terminals are wired together (joined together) and the negative terminals are labeled A and B respectively.
A four pole DC machine has a wave winding of 300 turns. The flux per pole is .025 webers. The DC machine rotates at 1000 RPM. Determine the generated voltage and the kW rating if the current through the turn is 25 amps.
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