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Aiming at solving the problem of wireless communications within the enclosed metal cabin, such as, spacecraft and aircraft cabin, the enclosed metal cabin statistical channel parameters are given based on channel measurements which prove the channel characteristics of the strong multipath channel environments. Ultra-wideband wireless communications technology is suitable to apply in such enclosed...
The large wind generating set works under the varying operation conditions for years, generally the fault characteristic values of the rotary components based on the energy mode is coupled with other noises, so the fault trend can not be accurately predicted. With the wear fault of the high-speed gear of the wind generator as the research object, this paper proposes the trend prediction method of...
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