基于FPGA和DSP的超声波风向风速测量系统

本文研究了数字化超声风速测量系统,提出并实现了完整的系统设计方案。该方案的核心是基于现场可编程门阵列(FPGA)和数字信号处理器(DSP)的硬件系统架构和基于包络重心法的信号处理算法。该设计可实现超声信号的高速数据采集和复杂的信号处理算法。测试结果表明所实现的超声风速测量系统具有体积小、反应速度快、抗干扰能力强和分辨率高等优点,且具有成本优势,并保持较低的功耗。

An ultrasonic anemometer based on DSP and FPGA

A digital ultrasonic anemometer system is proposed in this paper.A new design scheme is studied and realized.The key elements of this new scheme are DSP and FPGA and gravity center of the envelop estimation method.The designed system supports very high sample rates and more complicated digital signal processing algorithms.Experiments show that the proposed system has a small size,a fast response speed,and a high resolution,and is more robust in noisy environments.Besides,the system has cost effective advantages while maintaining low power consumption.