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A pulsar lies 1000 light years from Earth. The average plasma concentration is 1 el/cc (note units!). Using the plasma dispersion relationship for group speed, what is the group delay between a pulsar pulse received at 1 GHz and at 800 MHz? Please show the analytical solution where you have expanded (using a Taylor series keeping the constant and first order terms) the solutions at both frequencies about a total transit time of 1000 years (speed of light in a vacuum result) such that subtracting one from the other leaves just the delay that is of order of 1 second.
A square wave signal with voltage levels 0 volts and 2.0 volt at a frequency of 1.00 MHz is multiplied by a sine wave at a frequency of 5.0 MHz
A 100 W bulb takes 0.833A and a 200 W bulb takes 1.67 A from a 120V source. If the two bulb were connected across a 240 V source, what current in amperes will flow through the bulbs?
(Combinational versus Sequential Circuits) Which of the fol¬lowing contain circuits that are likely to be combinational and which contain sequential circuits? Explain your rationale.
What is the RF bandwidth occupied by signal? What is the frequency range of the transmitted RF signal?
Can you confirm-The outputs of two"NAND" gates are connected to the inputs of an "EXCLUSIVE OR" gate.Each of the "NAND" gates has one input at logic high level and the other input
Please list the properties of Discrete Fourier Transform. Explain each property with an example to show what it means physically and explain the physical meaning of Z Transform
Power Factor, A single phase electric motor has an output power of 10 kW and an efficiency of 90% at full load. The motor is fed from a 240 V supply via a cable that has a resistance of 10 milli ohms per metre length.
A load has a 20 ohm resistor and a 4 Henry inductor connected in series. It is connected to a power source with v(t) = 100 cos(50t), connected in series to the load. What is the impedance of the load? Use phasor transform methods to obtain your an..
Can protons every flow through current? Even though in the overwhelming majority of cases the current flowing through a material is dominated by the movement of electrons"
Calculating peak frequency deviation and Carson's rule bandwidth, A baseband signal has a frequency range from 50 Hz to 15.0 kHz. The signal is transmitted using frequency modulation. The FM transmitter has a modulation constant of 100 kHz per vol..
Step-down transformer
Compute and plot the correlation sequences r s1s2 (l), r s0s0 (l), r s1s0 (l) and r s2s0 (l) . Compute and plot the cross-correlation sequences and of the received signal with the template signals and s 2 (n).
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