利用FPGA提高超声乳成份检测仪检测精度

Improving the Performance of the Ultrasonic Milk Ingredient Analyzer by Using FPGA

为了提高超声乳成份检测仪检测精度和系统性能,本文提出将现场可编程门阵列(FPGA)技术用于超声波信号的精确测量,主要研究了用FPGA技术产生准确的超声波驱动控制信号、渡越时间精确测量和抗干扰设计,经实验证明改进后仪器的检测精度和稳定性均得到较大改善。

In order to improve the precision and the ultrasonic milk ingredient analyzer, the technology of FPGA is used to realize high accuracy measurement of the ultrasonic signal.The main researching aspects include producing the accurate drive control signal, precise counting value of transmission time, the whole circuit design. The stability and anti-interference ability of the system are improved.