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本文介绍了在微循环研究中一种微血管管径的显微电视信号直接计数测量法。详细介绍了系统的框图和信号传输过程中各处的波形。研究了测量系统的线性度,长期稳定性和精度指标。列出了动物试验的结果。证明本系统测量微血管管径的范围为10～100μ,标准偏差0.3μ,系统的长期稳定性是好的。
This article presents a direct counting method for micro-television signal of microvascular diameter in microcirculation research. Details of the system block diagram and signal transmission throughout the waveform. The linearity, long-term stability and accuracy of the measurement system are studied. The results of the animal experiment are listed. Proved that the system of measurement of microvascular diameter in the range of 10 ~ 100μ, standard deviation of 0.3μ, the long-term stability of the system is good.