FIELD: measurement technology. SUBSTANCE: method realizes problem of evaluation of vibration compatibility of new engine operating in mix of multi-engine power plant. For realization of method there are registered input vibration loads and output one at check point, coherent spectrum of individual vibration component of single engine is formed, quasi harmonic loads on discrete frequencies are extracted from given spectrum, amplitude levels and frequencies of quasi-harmonic vibration loads are determined by expansion of periodic section of correlation function in terms of sinusoidal harmonics of vibration processor. EFFECT: enhanced authenticity of method. 3 dwg
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