Abstract: Order tracking (OT) is an effective fault diagnosis method for rotating machinery under variable speed conditions. Accurate instantaneous frequency (IF) is the premise of this method. In ...
Learn how the flow of costs impacts manufacturing firms, covering raw materials, work-in-process, finished goods, and cost of ...
The 2025 Heisman Trophy finalists were announced on Monday evening, and we have four outstanding players this year. The finalists include Indiana quarterback Fernando Mendoza, Ohio State quarterback ...
Abstract: The high-precision time-frequency system has been sent to the China Space Station(CSS), which improves the accuracy of the time-frequency reference in space and puts forward the higher ...
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