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In this paper, the goal is to achieve an ultra low sidelobe level (SLL) andsideband levels (SBL) of a time modulated linear antenna array. The approachfollowed here is not to give fixed level of excitation to the elements of anarray, but to change it dynamically with time. The excitation levels of thedifferent array elements over time are varied to get the low sidelobe andsideband levels. The mathematics of getting the SLL and SBL furnished in detailand simulation is done using the mathematical results. The excitation patternover time is optimized using Genetic Algorithm (GA). Since, the amplitudes ofthe excitations of the elements are varied within a finite limit, results showit gives better sidelobe and sideband suppression compared to previous timemodulated arrays with uniform amplitude excitations.

Linear Antenna Array with Suppressed Sidelobe and Sideband Levels using Time Modulation