超声波阵列信号处理实验系统实现技术

Implementation techniques for an experimental ultrasonic array signal processing system

介绍了一个实际的超声波阵列信号处理实验系统的实现技术及误差校正技术，包括总体结构、有源滤波接收通道、Ａ／Ｄ变换、中频正交采样，以及误差校正技术，所实现的系统具有较高的稳定性．

In this paper,some implementation and errors calibration techniques are introduced, including system structure,active recieving channels,A/D converting,quadrature sampling and errors calibration.The implemented system is of high stability.