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  1. An Easy and Efficient Method for Synthesizing Two-Dimensional Finite Impulse Response Filters with Improved Selectivity [Tips & Tricks]

    Article • IEEE Signal Processing Magazine, September 2017, Institute of Electrical & Electronics Engineers (IEEE)

    Peter Apostolov

  2. Three-element broadband narrow beam without side lobes array antenna

    Article • IET Microwaves Antennas & Propagation, August 2016, the Institution of Engineering and Technology (the IET)

    Peter Apostolov

  3. Method for FIR filters design with compressed cosine using Chebyshev's norm

    Article • Signal Processing, November 2011, Elsevier

    Peter Apostolov

  4. Linear Equidistant Antenna Array With Improved Selectivity

    Article • IEEE Transactions on Antennas and Propagation, October 2011, Institute of Electrical & Electronics Engineers (IEEE)

    Peter Apostolov