基于DSP的小型气象站的硬件设计

Hardware design of small weather station based on DSP

针对大气参数测量的要求与测量方法,结合DSP的工作原理,研究了DSP在大气参数测量系统的应用。提出了一种测量大气参数的设计,通过硬件设计和软件设计,结合DSP开发调试环境,设计出能测量风向、风速、大气温度、大气湿度和大气气压等大气参数的小型气象站。通过对设计的样机进行测试,在大气参数的测量范围、分辨率和精度方面基本满足小型气象站的要求。由于DSP自身的优点,使得设计的小型气象站还具有便携性、功耗低、实时测量和抗干扰能力强等特点。

Application of DSP in atmospheric parameters measurement system is researched, aimed at the requirements for measuring atmospheric parameters and measurement methods, combined with the work principle of DSP. A design for measuring atmospheric parameters is presented. Through hardware and software design, combined with the exploiting and debugging environment of DSP, a small weather station which could measure wind direction, wind speed, air temperature, atmospheric humidity and atmospheric pressure is designed. Through testing the designed prototype, the atmospheric parameters measurement range, resolution and precision can meet the basic requirements of a small weather station. The DSP＇ s advantages make the designed small weather station also has advantages such as good portability,low power consumption, real-time measurement and the characteristics of strong anti-interference.