[i=s]This post was last edited by Jacktang on 2019-5-3 08:50[/i] [size=4] This article first introduces the global millimeter wave spectrum allocation, and then summarizes the technical challenges tha...
In high-speed wireless communication systems, signals must be up-converted or down-converted before they can be propagated and processed. This frequency conversion step is traditionally called mixing ...
Abstract: The energy waste phenomenon in the tailings conveying system is analyzed, and a scheme for the transformation of the primary pumping station by using a high-voltage inverter is proposed. The...