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For the network of given figure:
a. Write the mathematical expressions for the current iL and the voltage vL following the closing of the switch. Note the magnitude and direction of the initial current.
how can one go about to decode a message from a wav file. the wave contain a coded message in form numbers. which is represented in the wave in form of tones
A 3-phase, 11 kV, round-rotor synchronous generator delivers power to an infinite bus whose line-to-line voltage is constant at 11 kV rms. The effective stator resistance and synchronous reactance per phase of the synchronous generator are respectiv..
Design a continuous antenna array to have the following soace factor : [(sin(2πcosθ))/(2πcosθ)] , at a wavelength λ=.5 m namely,find : i- the current distribution and the length of the array. ii-the relative side lobe level.
Pick two functions, x1(t) = cos(w1t) and x2(t) = sin(w2t) where w1 and w2 are dierent frequencies (to make life easy you should probably select these frequencies such that their ratio is a rational number). By hand, solve for the Fourier Transform..
a process control system will be tuned with the ultimate cycle method. the derivative mode is off and the integral
What is the path attenuation between transmitter and receiver at a frequency of 1.2 GHz and a distance of 11,000. Given: f = 1.2GHz d = 11,000 mi. Calculate the path attenuation; dB = 37dB + 20 log f + 20 log d = 37 + 20 log 1.2^9 + 20 log 11,000
A transmission line of char. Impedance 100ohm is used to match a 50ohm section to a 200 ohm section. if the matching is to be done both at 429MHz and 1GHz the length of the transmission line can be approx?.
a signal st is defined as st 4cos3pit 5cos21pit volts. the signal st is sampled using ideal sampling with a
Suppose we have three 6-H inductances. What is the maximum inductance that can be obtained by connecting all of the inductances in series and/or parallel? What is the minimum inductance?
A series RLC circuit is connected to a voltage source x(t). The output y(t) is taken across the capacitor. The negative side of x(t) and y(t) is the common ground. The values of the elements are: R=8.1250 Ohms, C= 1 farad, and L= 1.0 Henry.
Many reactors are sited next to large bodies of water so that they can use the water for cooling. Consider a reactor where the intake water is at 18° C. State regulations limit the temperature of the output water to 30° C so as to not harm aquatic..
Problem 1: Antenna gain is usually given in relation to an isotropic antenna (radiating/receiving equally in all directions). It can be shown that the effective area of such an antenna is Aiso = λ2/4π.
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