Pulse Sequence Optimization In Time-Modulated Arrays For Secure Communications
2016 IEEE ANTENNAS AND PROPAGATION SOCIETY INTERNATIONAL SYMPOSIUM(2016)
摘要
The sideband radiations (SR) generated in time-modulated linear arrays (TMLAs) because of the periodicity of the modulating pulse sequence are exploited for secure communication purposes. The pulse sequence controlling the on/off status of the array elements is optimized by means of a binary Genetic Algorithm (GA) in order to maximize the distortion of the signal transmitted by the array along undesired directions while keeping it unaltered along the angular region of interest.
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关键词
directional modulation,genetic algorithms,time-modulated arrays,secure communications
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