The wetland puzzle that stumped hydrology for decades—how physics and AI joined forces to predict unmeasured regions

For years, the Prairie Pothole Region has bothered me in a very specific way. On a map, it looks like a normal landscape: ...
IEEE

A Broadband Folded Marchand Balun Integrated with Tunable Phase-Shifting Function

Abstract: A balun structure with phase-shifting function is introduced in this paper. It integrates a loaded line phase shifter on a folded Marchand balun, which maintains a very compact size, hybrid ...
IEEE

Parameter Design for DC Voltage Loop Regulator and Phase-Locked Loop Regulator of Grid-Connected Inverter Under Weak Grid

Abstract: In the grid-connected inverter (GCI), the de voltage loop (DCVL) and the phase-locked loop (PLL) are utilized to generate the amplitude and phase reference for the current control loop, ...