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An AM system has a message signal that has a zero-mean Gaussian amplitude distribution. The peak value of m (t) is taken as that value that |m(t)| exceeds 0.5% of the time. If the index is 0.7, what is the detection gain?
An analog system has a bandwidth of 10 MHz, a photodetector of = 0.5 A/W and ID = 1 nA, and a signal to noise ratio (SNR) of 30 dB. The receiver's temperature is 270 C and the load resistance is 50 .
A wind speed sensor generates an output voltage that ranges between 10 to 55 mV when the wind speed varies from 0 to 120Km/Hr.The output of the sensor is connected to an Analog to Digital Converter (ADC) through a signal conditioning circuit.
The solar constant at Earth orbit (1 AU = 1 Astronomical Unit - Sun-Earth distance) is ~1400 Watts/m2. Assuming that this Poynting flux magnitude can be associated with a single E- and Hfield (i.e., E × H ),
A long copper wire of circular cross-section and resistance 0.05 O has a potential difference of 0.10 V applied across its ends. The wire is then melted and reformed into a wire of circular cross-section that is twice as long.
An Alternator is found to have its terminal voltage on load condition more than that on no load. What is the nature of the load connected
when the load is removed from the generatorthe magnitude of the terminal voltage is 34500V. the generator feeds a delta-connected load through a transmission line with an impedence of 0.8+j6.4. the per-phase impedence of the load is2877-j864.
A solenoid consists of 400 turns per meter and carries a currentof .45 Amperes. A 20 turn coil is wrapped tightly around thecircumference of the solenoid. The ends of the solenoid areconnected to a 2 Ohm resistor.
Determine the transform for g(t) = rect(10t)cos(400 Π t). Use the table of transforms and the convolution property of the impulse function.
A 16-bit analog to digital converter is used in a system which is found to have a maximum signal-to-noise ratio of 84dB. What is the effective number of bits
Express the sequence x(n)={1 n=0 , 2 n=1 , 3 n=2 , 0 else} 1- Express the signal as a sum of weighted and shifted unit impulse sequence. 2- Express the signal as a sum of weighted and shifted unit step sequence
Question about Subnets, An organization owns the network 200.1.1.0/24 and wants to form subnets for 4 departments, with hosts as follows
Assume the op amp has a finite gain but is otherwise ideal.
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