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An antenna array on the z-axis consists of 4 short (λ/20) dipoles, each spaced a quarter wavelength apart on the z-axis.Given: d1=2, d2=4, d3=5, and d4=3Current Magnitude: The first element is located at the origin and the magnitude of the current on each element is: Element 1: i1=d1 (at z=0), Element 2: i2=d2 (at z = quarter wavelength), Element 3: i3=d3 (at z=half wavelength), Element 4: i4=d4 (at z=three quarters wavelength)Current Phase: Element 1: phase=20*d1 degrees, Element 2: phase=20*d2 degrees, Element 3: phase=20*d3 degrees, Element 4: phase=20*d4 degreesCurrent Orientation: d1and d2 are oriented in the +z-direction and d3 and d4 are oriented in the +x-direction.Use MATLAB to write a program that accurately does the following:1) Plots the normalized power pattern at θ=90 degrees for 0<φ<360 degrees. (polar plot, not in dB)2) Plots the normalized power pattern at φ=0 degrees for 0<θ<180 degrees. (polar plot, not in dB)
Phase 'A' of a three-phasee 4.16 kV ungrounded system is solidly grounded. For this fault, calculate the magnitude of the positive, negative, and zero sequence voltages at the fault.
A balacnced, three-phase, delta-connected load is supplied by a balanced, three-phase, wye-connected source over a balanced three-phase line. the source voltages are in abc phase sequence in which Van is 19.94
Use Modelsim and a VHDL test bench to simulate all the three models for a 4-to-1 multiplexer. Use basic gates for structural modeling. A tar VHDL library file is given for assistance.
A total charge of Q is uniformly distributed on the inner wall of a spherical dielectric shell having inner and outer radius of a and b. The relative dielectric constant of the shell is fr.
Consider the current it takes to power a +5V 74xx245(Icc). What is the qualitative difference between the CMOS devices and the non-CMOS devices and the non-CMOS devices What is the explanation for the difference
Time to failure in months, X Fx(x) = (1 - e ^(-x/5))u(x) for plant A Fx(x) = (1 - e ^(-x/2))u(x) for plant B Plant B produces three times as much as plant A. What is the probability that a bulb purchased at random will burn at least
F = B'D' + A'B'C + ABC + CD' Draw a circuit for this function using only AND , OR, and NOT gates. The function calls for two 3-input AND gates and one 4-input OR gate. All you have available, however, are 2-input AND and OR gates
If we define the resolution of a Digital-to-Analog Conversion (DAC) device to be the reciprocal of its number of logic states in percentage, what will be the resolution of an 8-bits DAC device
In a Zigbee network, Coordinators and Routers can't "sleep", i.e. enter a low-power, inactive mode. Why is this What implications are there because of this on the structure and applications of a Zigbee network
Find an expression for the scalar electric potential at any point on the axis of the ring. Indicate clearly your coordinate system and its geometry. Check the limiting case as the field point recedes to infinity.
Referring to the information above, if one were to sum all of the different average power values associated with the carrier and all sidebands, determine the total value of average power (in watts).
A 100 V power supply has a series limmitin restor of 100 k ohms connected to its output. draw the norton equivalent cirtuit for the power supply. explain why the norton equivalent circuit you drew approximates an ideal current source
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