Cross-bispectral analysis for detection and diagnosis of helicopter trail-rotor drive-shaft problems
Abstract: Based on cross-bispectrum, Cross-Quadratic-Coupling spectrum, CQC(f), is developed and used to assess different health conditions of an AH-64D (Apache) helicopter tail-rotor drive-shafts.
JPMorgan CEO Jamie Dimon warned America’s $37.5 trillion national debt is unsustainable, cautioning that markets may one day refuse to fund borrowing without higher rates. While he praised Trump’s pro ...
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