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A two-element time-modulated array with direction-finding properties
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PRE
AI
DOI：10.1109/LAWP.2007.891953.png)
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Abstract
En 中文
A two-element time-modulated array system which can be configured to provide active electronic null scanning is presented. The received signal from each element of the array is time switched and combined to provide a phase-modulated output in which the depth of modulation is dependent on the angle of arrival of the received signal. The angular response of the array at the first harmonic of the switching frequency exhibits a deep null which can be scanned in angle to +/- 90 degrees by controlling the mark-space ratio of the element switching waveform.
Keywords:
antenna
array
direction finding
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4.8
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