Beam steering via phased antenna arrays is demonstrated. The arrays are composed of 7 point sources uniformly spaced in a linear fashion (uniform linear array (ULA). The antenna separation is denoted by the parameter d. When the separation is smaller, the directivity of the array is narrower. Each antenna element in the array is fed with a relative phase shift of "delta" with respect to the adjacent on (the rightmost antenna is the reference antenna where no phase shift is applied, i.e. delta=0). As the phase shift (delta) is swept, array patterns change.
See also:
Multiple patterns animation in a single video and theory behind these animations:
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Beamforming by Phased Array Antennas
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Phased Array Antenna Beam Steering Animation (Beamforming)
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Collection of FDTD animations [Finite Difference Time Domain]
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Code for the second animation can be found at my blog:
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and also at Matlab Central:
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#beamforming #antennaarray
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