Abstract: Analytical expression of transmission for the orbital angular momentum (OAM) communication using loop antenna arrays and paraboloids is derived to achieve a communication distance of 100 m.
Thomas Mulligan explains the complex nature of time travel by analyzing the inconsistent causal loop (the grandfather paradox) and the consistent causal loop (the bootstrap paradox). New ban to come ...
Abstract: The conventional position servo system usually adopts the position-speed-current three closed-loop control structure. Although each loop variable can meet the expectation, the bandwidth of ...
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