| 1. | First , the analog b - mode ultrasonic receiver is discussed in brief in this paper . then , the digital signal processing arithmetic in the digital b - mode ultrasonic receiver is discussed particularly . at last , the arithmetic is implemented based on the fpga platform 本文在简要介绍模拟b超接收机的基础上,详细讨论了数字化b超接收机的数字信号处理算法,并基于fpga开发平台完成了算法的仿真实现。 |