Seismic instruments: article

Аnnotation: It is proposed and proved the method of a calculation of the frequency sweep which provides a flat spectrum of target wave correlogram regardless of natural vibrational source amplitude-frequency response disturbances which is brought by a media and a source it self. Such a spectrum provides a base for a reaching a maximum resolution of close located wave pulses in a resulting seismogram. The method includes a test sounding of a typical seismological object by a some linear sweep in the preferred frequency range, selection and spectral analysis of the target wave vibrogram, division of the resulting spectrum in to a multiple of a narrow frequency bands and a calculation of a linear sweep for each of the band. The design of a continuous sequence of the mentioned partial sweeps is the resulting operation of an adaptive nonlinear (linear in parts) sweep synthesis. The necessary conditions which provide the correctness of a partial sweeps coupling is founded and formulated in the article.