...诊断中的应用 - docin.com豆丁网 blood flow, rCBF)、平均通过时间 (mean transit time, MTT)和到达峰值时间(transit time peak, TTP)等灌注参数图。
基于1个网页-相关网页
采用了时间增益补偿技术和峰值时间检测技术,可正确检测超声波回波的到达时间。
Using the time-gain compensation and peak time detecting technique, the arrival time of ultrasonic echo can be correctly detected.
采用时间增益补偿技术,补偿超声波在空气中的衰减,减少回波信号的起伏;由有源全波整流电路和微分电路等组成峰值时间检测电路,可正确检测回波的峰值到达时间。
The peak time detecting circuit which is composed of full-wave rectification circuit and differential circuit can detect the reach time of echo signal accurately.
采用了时间增益补偿技术和峰值时间检测技术,可正确检测超声波回波的到达时间。
Using the time-gain compensation technique to compensate for ultrasonic waves weaking when transmitting in the air, and reduce the fluctuation of echo signal.
应用推荐