N. P. Stadnaya, S. P. Lukinskikh, S. A. Pereselkov, A. S. Pereselkov, V. M. Kuz’kin
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Holographic processing of electrocardiograms is proposed on the basis of the windowed Fourier transform of the electrocardiosignal that converts it from the time representation to the frequency–time representation, to the modulus squared of which the two-dimensional frequency–time Fourier transform is applied. At the integrated transformation output the spectral density of the signal is localized in the form of focal spots containing information on the temporal distribution of spectral densities of separate waves in the electrocardiogram. Experimental results of holographic processing of electrocardiograms are presented, which are obtained for patients with a normal heart and with congestive heart failure.
期刊介绍：
Physics of Wave Phenomena publishes original contributions in general and nonlinear wave theory, original experimental results in optics, acoustics and radiophysics. The fields of physics represented in this journal include nonlinear optics, acoustics, and radiophysics; nonlinear effects of any nature including nonlinear dynamics and chaos; phase transitions including light- and sound-induced; laser physics; optical and other spectroscopies; new instruments, methods, and measurements of wave and oscillatory processes; remote sensing of waves in natural media; wave interactions in biophysics, econophysics and other cross-disciplinary areas.
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