The Dr Emmanuel Attah Kumah Amponsah, who is a Senior Lecturer and a head of Department of Accounting, Banking and Finance at the Ghana Communication Technology University, Accra, sponsored Maths and ...

Abstract: In order to solve the problem of security risks of gateways in complex communication networks of power Internet of Things, this paper proposes a hybrid encryption system that combines AES ...

National 5 Simplifying expressions using the laws of indices Test questions Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square root.

National 5 Simplifying expressions using the laws of indices Rules of indices Indices show where a number has been multiplied by itself, eg squared or cubed, or to show roots of numbers, eg square ...

Abstract: A low-sidelobe millimeter-wave substrate integrated waveguide (SIW) cavity-back slot antenna array with simplified feeding structure is proposed. This design employs a waveguide to feed the ...