Abstract: In this letter, a 28-GHz variable-gain phase shifter (VG-PS) with phase compensation designed using a Gilbert-cell-based vector summation amplifier integrated with a current-type ...
Rib spalling is one of the common hazards in a fully mechanized mining face. In order to accurately assess the hazard degree, this study proposes a new method based on background subtraction algorithm ...
Abstract: In this article, the in-motion polar alignment method for strapdown inertial navigation system (SINS)/global positioning system (GPS) integration is proposed. First, to address the defects ...
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