Abstract: The pursuit of compact antennas has historically sacrificed directivity. Traditionally, solutions involve adding radiators, complex lenses or enlarging the antenna, which often introduces ...
Nearly all light emitted by nitrogen-vacancy centres can be collected, providing a boost for these room-temperature quantum ...
Abstract: The breaking performance of the circuit breaker directly affects the operation safety of the power system, and the arc extinguishing performance is the most important performance index, so ...
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