A rare two penny coin could be worth £2,000 – and it might be yours if you check your change now. Certain rare coins are worth a lot more than face value and all it takes is sometimes double checking ...
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 ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results