The detective circuit for achilles reflective wave using analog and PMOS digital integrated circuit is presented The circuit has the advantages of simple structure and high detecting accuracy.
本文介绍了一种用模拟和数字集成电路设计的跟腱反射波检测电路，具有结构简单，检测准确率较高的特点。
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。
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