该文介绍温室数字式风向风速传感器的工作原理、电路原理、风向风速信号测试系统的结构、风向信号的数据采集方法、风速脉冲信号的软件计数算法、风速脉冲信号计数程序运行周期的分析。实验结果表明 ,系统结构简单 ,可靠性好 ,抗干扰能力强 ,测量精度高 ,便于推广应用 This paper introduces the working principle, circuit principle, structure of the wind speed and wind speed signal test system, data acquisition method of the wind direction signal, software counting algorithm of wind speed pulse signal and analysis of the running cycle of wind speed pulse signal counting program. The experimental results show that the system has the advantages of simple structure, good reliability, strong anti-interference ability, high measuring accuracy and convenient popularization and application