Simple design of null-fill for linear array

This paper proposes the simple design method to reduce amplitude ripples of sidelobe peak revel in equispaced N-elements linear arrays by the amplitude slope of 1/N. This design is based on Schelkunoff and Elliott method to move roots of outside of unit circle in complex plane. The amplitude ripples are reduced less than 1dB by the proposed method, which is greatly improved rather than the conversational method.