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科技飞速发展时至今日,超声测距作为一种非接触测量技术超声波测距广泛应用各个科学领域。FPGA作为一种高密度可编程器件,具有多种优势;在传统的测距方法上,采用硬件实现和top-to-down的设计方式,将系统划分为高精度计数器模块、双核FFT计算模块和回波信号检测模块等模块,更好的体现了该测距系统的精确性和高效性。
Today, the rapid development of science and technology, ultrasonic ranging as a non-contact measurement of ultrasonic ranging widely used in various fields of science. As a kind of high-density programmable device, FPGA has many advantages. In the traditional distance measurement method, the hardware and top-to-down design are adopted to divide the system into high precision counter module, dual-core FFT calculation module and Echo signal detection module module, better reflect the accuracy and efficiency of the ranging system.