A relaxed, beginner friendly guide to crocheting a beautiful triangle shawl that works up quickly and looks stunning.

Abstract: This study presents a comprehensive mathematical model for analyzing optimum frequency hop (FH) patterns (OFHPs) derived from two-dimensional circular shifts applied to a Golomb Costas array ...

Abstract: An iterative fast segmented cyclic convolution (IFSCC) method is presented for accurately and efficiently synthesizing the pattern of a uniformly spaced circular array (USCA) considering ...