The velocity of red blood cells (RBCs) in microvessels of rat mesentery was measured using microscopic laser Doppler velocimetry. In order to estimate the periodicity of the RBC velocity fluctuation accurately, the power spectrum of the velocity was calculated by means of the fast Fourier transform. The amplitude of the pulsatile component was quite large in the spectrum of the RBC velocity fluctuation in arterioles. On the other hand, RBC velocity in venule intermingled the different frequency components. The velocity of the phase shift of the pulsatile component of RBC velocity was estimated by using the cross-spectrum analysis. The propagational velocity of the RBC velocity profiles in arterioles was slower than that of the pulse wave in larger vessels.
|ジャーナル||Annual International Conference of the IEEE Engineering in Medicine and Biology - Proceedings|
|巻||11 pt 6|
|出版ステータス||Published - 1989 12月 1|
|イベント||Images of the Twenty-First Century - Proceedings of the 11th Annual International Conference of the IEEE Engineering in Medicine and Biology Society. Part 2 - Seattle, WA, USA|
継続期間: 1989 11月 9 → 1989 11月 12
ASJC Scopus subject areas
- コンピュータ ビジョンおよびパターン認識