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Some critics charged that once the momentum had been built on this project, there was no stopping it, regardless of the problems that became evident during construction. Can all problems be overcome with more engineering? Should all problems be overcome with more engineering? Should new methods have been employed to solve the fissured rock problem, rather than relying on technology (the grout curtains) that the bureau had experience with at other less fissured sites?
The current distribution on a center-fed short dipole (length l n ë) centered at the coordinate origin and lying along the z-axis can be written as where Io defines the peak value of the current at the feed point of the antenna.
A transmission line operating at 125 MHz has Zo = 40 Ω, α = 0.02 (Np/rn), and ß = 0.75 rad/m. Find the line parameters R', L', C', and G'.
Compare the frequency response magnitudes for each of the responses above (will need to plot on a logarithmic scale). Comment on the observations noting things such as if the signals are resolvable, the size of the side lobes, etc.
Calculate the total capacitance of the structure that consists of a dielectric inserted between two conductive parallel plates that are separated by adistance 3d. The dielectric of thickness d is inserted in the center of the structure.
A system is described by the impulse response h(t) given in the following problems. Compute and plot the response of the system to the input signal x(t). (a) h(t) = t; 0
A Miller integrator with a time constant of 10 ins is driven by a 60 Hz sine wave of 0.1 V peak ampli-tude. Describe the resulting output waveform, in amplitude and phase. Is the output leading or lagging the input?
Given that the required transmission time for a block of data of length 64kilobits to be transmitted error-free is 6 seconds and that the receiver has a bandwidth of 20kHz, what is required SNR of the receiver
Three identical constant pitch thin helical coils (having a pitch 3mm, axial length 450mm and inner diameter 20mm) are positioned along a common axis. The axial distance between the first and the second is 55mm
An engineer is required to survey a nonrectangular plot of land but is unable to measure side UT directly (see Figure 2.11). The following data are taken: RU=121.0m, RS=116.0m, ST=83.5m, angle RST= 113 degrees
Draw a timing diagram for your circuit (consider that the propagation delays are negligible).
Consider a block length N D-BLAST architecture on a MIMO channel with nt transmit antennas. Determine the rate loss due to the initialization phase as a function of N and nt.
Calculate the total power factor, and indicate whether it is leading or lagging. - Calculate the average power delivered to the circuit.
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