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Some recent column source designs incorporate ‘beam steering', where the phase of each element in the column is varied in order to change the angle at which the major lobe appears. This technique may be used to improve speech intelligibility by boosting the ‘direct-reverberant ratio' of energies received by a segment of an audience within a built environment - a technique which will be explored further in the Module ‘Room Acoustics'.
Investigate beam steering by incorporating a phase difference between the velocities of your pistons in the column model. (In the first instance it is probably best to use a fixed incremental time delay between each successive source - you should experiment). Note the behaviour of the major lobe as the phase difference is varied, and also any changes taking place in the sidelobes. Hint - Kinsler and Frey have something to say regarding beam steering.
Matlab code for MODI
Build a single phase model for the simple 3-phase system shown in the single line diagram shown below using SimPowerSystems in MATLAB Simulink. Data: Source Voltage
MATLAB. • MATLAB Programming; • Simulation in MATLAB.
Illustration of assignment statements: At that point, if the expression mynum 3 is entered, the default variable ans is used as the result of this expression is not assigned
A filter described by the equation: y(n) = x(n) + x(n-1) + 0.9 y(n-1) - 0.81 y(n-2) (a) Find the transfer function H(z) for the filter and find the poles and zeros of the fil
The average speed of vehicles on a freeway is being studied. Assume that the standard deviation of vehicle speed is known to be 8 km/h. (a) Suppose observations on 120 vehicles
Two cars started to move from zero position with (φ = 35) as shown. For the next four minutes, do the following: 1. Calculate each car's distance from the zero position (Distanc
Write a program that reads in numbers (of type double) from a file, stores them in an array, and then calculates the mean, variance, and standard deviation. Your program shoul
I need assignment to finish.
function y=tps(r) % This is the thin-plate spline if r y=0; else y=r^2*log(r); end function y=fun(point) % my target function x=point(1); z=point(2); y=7-4*x^2+z^3;
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