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一种简易型同步时变增益放大器
A simple type of a time-varying gain amplifier
【摘要】 介绍了一种由EPROM存储器、D/A转换器和运算放大器组成的简易时变增益放大器电路 ,该电路对于超声检测中回波信号的放大和盲区的抑制具有十分显著的效果 .
【Abstract】 A simple type of time varying gain amplifier circuit, which is composed of EPROM memory, A/D convertor and operating amplifier, is described. The circuit has obvious effect on restraining the blind area and amplifying ultrasonic echo signal.
- 【文献出处】 武汉水利电力大学学报 ,JOURNAL OF WUHAN UNIVERSITY OF HYDRAULIC AND ELECTRIC ENGINEERING , 编辑部邮箱 ,2000年03期
- 【分类号】TN72
- 【被引频次】2
- 【下载频次】109