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 ...

Ring-like patterns in the sky could be ghostly imprints of a universe that existed before the big bang, according to a controversial new study. If the theory is correct, the cosmic rings may be the ...

The world of colour is complex, nuanced, and often misunderstood. When working in print design and production, understanding colour models and methods of colour reproduction is vital. The most crucial ...