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Consider the bandpasssignalS(T)= 2SIN(180πt) + 3COS(220πT).
(a) Calculate thefrequency domain representation S(f)ofthis signal(b) Calculate the frequency domain representation ofthe pre-envelope S+(f) OFS(t)(c) What is thepre-envelope s+(t) of s(t)?(d) Calculate the frequency domain representationS1(f) of thelowpass equivalent of thebandpass signal at fc =100Hz(e) Calculate the time domain lowpass equivalentsignal S1.(f) What is the Hilbert transform g(t) ofs(t)?
determine the sum of the incremental cash flows for Alternative B-Alternative A First cost $: A=-50,000 B=-85,000 Annual operating cost/year: A=-8,600 B=-2,000 annual revenue/year: A=22,000 B=45,000 salvage value: A=3,000 B=8,000
Determine the temperature in the middle of the bar and evaluate it at t = 1, 2, 3, 10, 50 sec. First guess, and then calculate. Also, plot the temperature expression vs. time from t = 1 to 50 sec using Excel
Two Parallel single-phase loads are supplied by a 480 volt RMS, 60 Hz, source. The two loads are: Load 1 : 15.0 kW at .6 lagging p.f. Load 2 : 25.0 kVA at .8 lagging p.f. 1) the combined real power drawn y the loads in Kilowatts
Contrast the electron and hole drift velocities through a 10 um (micro meter) layer of intrinsic silicon across which a voltage of 5V is imposed. Let up = 480cm2/Vs and un=1350cm2/Vs.
Two loads are connected in parallel. The voltage across the loads is 8kVrms. The first load is rated at 12 kW with a 0.6 lagging power factor. The second load is rated at 20 kVA with a 0.8 lagging power factor. Find the complex power of the two lo..
If the telephone instrument has a resistance of 200 ohms when off hook and represents an open circuit when on hook calculate the combined resistance of the local loop and the power source at the central office.
If the total power amplification through the receiver stages is G_R find the output power of the receiver. If the noise power at the output is identical to the noise power at the input of the receiver, find the NF for the receiver.
A special external data signal (DATA_READY) is asserted whenever each of the bits for X are available. In addition, another special signal (ENCODE) is asserted during the transmission of the data X indicating whether 2X+3 or 3X+1 should be compute..
For the vector field E = 5exp(-2r)rˆ - 3rzˆ calculate the divergence in cylindrical coordinates. Verify the divergence theorem for the cylindrical region enclosed by r=2, z=0 to 4.
A practical source delivers 50mA to a 300Ω load. The source delivers 12V to a 120Ω load. Find the maximum power available from the source.
Design a UV flip-flop using a JK flip-flop and two logic gates. where the characteristic table for the UV flip flop is U V Q(t+1) 0 0 1 0 1 !Q(t) 1 0 Q(t) 1 1 Q(t)
Develop a functional design for a system that measures and displays the speed of a bicycle. Be sure to clearly identify the design levels, function requirements, and theory of operation for each level.
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