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A sinusoidal signal of the form s transmitted from a fixed platform. The signal is received by an antenna which is on a mobile platform that is in motion relative to the transmitter, with a velocity of relative to the direction of signal propagation between the transmitter and receiver. Therefore, the received signal experiences a Doppler shift and (ignoring noise in the receiver) is of the form
Where c is the speed of light. Find the PSD of the received signal if v is uniformly distributed over Qualitatively, what does the Doppler effect do to the PSD of the sinusoidal signal
For the foregoing heat rate and a copper heater of thermal conductivity k h = 400 W/m · K, what is the required volumetric heat generation within the heater and its corresponding centerline temperature?
If it is instrumented with four active strain gages on awheatstone bridge, two axial and two transverse as shown, with S,i.e. strain gage factor of 2.1, initial resistance of strain gagesR = 350 Ω, and the power supply is 10V, what will be theoutp..
Determine the settings Z1, Z2 & Z3 for the relay at B12.
The power supplied by the source which is dissipated as heat or work in the circuit (load).
a single phase 100 kVA, 1000/100 V transformer gives the following test results: Open Circuit test: 100V, 6.0 A and 400 W Short Circuit test: 50V, 100A and 1800W determine the rated current and voltage for high and low sides
A unit of power often used for electric motors is the horse power (hp), which equals 746W. A small electric car is equipped with a 40-hp electric motor. How much energy does the motor deliver in one hour
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 cylindrical brass sleeve is to be shrink-fitted over a brass shaft whose diameter is 3.216 cm at 0°C. The diameter of the sleeve is 3.203 cm at 0°C. (a) To what temperature must the sleeve be heated before it will slip over the shaft
The muons created by cosmic rays in the upper atmosphere rain down more-or-less uniformly on the earth's surface, although some of them decay on the way down, with a half-life of about 1.5 ,u,s
An enhancement type nmos transistor with Vt = .7 V conducts iD= 100 micro A .. when V GS = V DS = 1.2 V . Find the value of i D for V GS = 1.5 V and V DS = 3V . caculate the value of the daain source resistance r DS for small V DS and V GS = 3.2 V
Charge Q is distributed uniformly throughout an insulating sphere of radius R. The magnitude of the electric filed at point R/2 from the center is what?
There are three 2k resistors, three 1k resistors and 2 three kresistors available. design a resistor network that has an input resistance of between 3.1 and 3.4k. Minimum number of resistorsused is a prime consideration.
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