Development of a new analytical method for the electrocardiogram using short-time first Fourier transforms.

@article{Hara1999DevelopmentOA,
  title={Development of a new analytical method for the electrocardiogram using short-time first Fourier transforms.},
  author={Mutsuya Hara and Kunihiko Tsuchiya and Toshihiko Nanke and Noriyasu Mori and Fumihiko Miyake and Chuichi Sato and Masahiro Murayama},
  journal={Japanese circulation journal},
  year={1999},
  volume={63 12},
  pages={
          941-4
        }
}
To detect the minute electric potential inside the QRS complex, a new frequency domain method was designed using short-time First Fourier Transforms (SFFT) and high-frequency sampling (oversampling). SFFT improved the frequency resolution by oversampling that was applied to this analysis. The electric potential data of 15,000 points received weighted, running average processing and was subtracted from the original waveform to reduce the low-frequency component. The data in a segment of 160 ms… CONTINUE READING
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