评价长骨骨折状况的超声收发电路设计
首发时间:2016-01-14
摘要:本文介绍了一种评价长骨骨折状况的超声收发电路的设计。在激发电路中,控制信号经过隔离电路控制发射功率模块,应用场效应功率管IRF840完成对脉冲超声波的激发;介绍了一套针对本工作环境下的三级回波调理电路,具有隔离,带通滤波,增益可调放大等功能;通过实验证明,设计的电路板可完成激励与接收功能,并可用于定量评价长骨骨折状况。
For information in English, please click here
Design of Transmitting/Receiving Circuit for Ultrasonic Evaluation of Long Bone Fracture
Abstract:A transmitting/receiving circuit for ultrasonic evaluation of long bone fracture is designed. The transmitting circuit is controlled by a signal through an isolation circuit. A field-effect transistor IRF840 is used to stimulate pulses ultrasound in transmitting circuit. A three levels receiving circuit which includes isolation, band pass filter and adjustable gain amplification is introduced in this paper. It is proved by experiments that the designed circuit can be used in ultrasonic evaluation of lone bone fracture.
Keywords: transmitting/receiving circuit ultrasonic pulses long bone fracture
基金:
论文图表:
引用
No.4675131112554214****
同行评议
共计0人参与
勘误表
评价长骨骨折状况的超声收发电路设计
评论
全部评论0/1000