1. A method for the elastic vibration analysis of the machine system using the generator power impact, part of the "machine-tool tool-item", which consists in that it is carried on an input harmonic, pulsed or random excitation in the elastic machine system, measuring the system response at the output , thus to obtain the dynamic characteristics of the investigated excite structure shall be measured using a dynamic force, characterized in that the harmonic and random excitation is provided by pezoke amicheskogo contact vibrator, wherein the variable force creates piezoceramic rings, to which are fed electrical power supply, and changing the piezoelectric element thickness and to create a pulsed power impact applied used generator representing a cylindrical mandrel in which is formed a longitudinal groove a predetermined depth, which realizes the amplitude of the input pulse exposure, and which is rigidly fixed to the spindle of the machine unit and the frequency of input pulse exposure speed set trowels indels, the groove width changing the pulse duration, and, consequently, the frequency range of the excitation spectrum, after which the signals fed to the two-channel spectrum analyzer, which is obtained by spectral analysis of complex signals, which is based on a fast Fourier transformation, frequency characteristics and the input analyzer inputs on analog signals is filtered, sampled and converted by the analog-to-digital converter into digital form to produce a series of digital data - realization Representat
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