Abstract: The waveform in the far field of an antenna array can be obtained using the convolution of ... a numerical approach, i.e., the finite-difference time-domain (FDTD) method, is used in this ...

What is the difference between a road and a street? For starters, an ordinary “road” generally describes any throughway that connects two points. “Streets,” on the other hand, are public ...

While retinol and tretinoin are alike, they’re not quite the same. Let’s take a look at the differences between these two retinoids and how you can decide which to add to your beauty routine.

† Advanced Materials and Devices Laboratory, Department of Physics, Bharathiar University, Coimbatore, Tamil Nadu 641046, India ‡ Surface and Nanoscience Division, Materials Science Group, Indira ...