Blinowska K J, Franaszczuk P J, Mitraszewski P
Medical Physics Laboratory, Warsaw University, Poland.
Int J Biomed Comput. 1988 Mar;22(2):97-106. doi: 10.1016/0020-7101(88)90046-3.
In framework of the AR model the transfer function and the impulse response function of the EEG time series were found. The parameters of the impulse response function were interpreted in terms of: frequencies, damping factors and amplitudes of the hypothetical brain rhythm generators. The method of the rhythm diagrams was proposed to describe the spectral properties of the EEG time series. It makes possible the accurate estimation of the EEG rhythm's frequencies and their intensities, especially weak components hardly visible in the conventional spectral analysis are well distinguished. Rhythm diagrams can be a useful tool in the clinical applications and offer new possibilities in the direct comparison of the results of modeling with the experimental data.
在自回归（AR）模型的框架下，找到了脑电图（EEG）时间序列的传递函数和脉冲响应函数。根据假设的脑节律发生器的频率、阻尼因子和振幅来解释脉冲响应函数的参数。提出了节律图方法来描述EEG时间序列的频谱特性。它能够准确估计EEG节律的频率及其强度，特别是在传统频谱分析中难以看到的微弱成分也能被很好地分辨出来。节律图可以成为临床应用中的有用工具，并为将建模结果与实验数据进行直接比较提供新的可能性。
