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介绍了一种基于高性能DSP芯片TMS320F2812的雷电流全波形信号采集系统。充分利用DSP的集成资源以及强大的数字信号处理能力对雷电流波形信号进行采集、存储,并通过ISM以及GPRS双通信方式实现与PC无线数据传输。试验结果表明该采集系统具有电路设计简单、体积小、功耗低、准确度高及抗干扰能力强等多种优点,完全满足工程现场雷电流波形测量要求,可以推广应用。
This paper introduces a lightning current full waveform signal acquisition system based on high performance DSP chip TMS320F2812. Make full use of DSP’s integrated resources and powerful digital signal processing capabilities of lightning current waveform signal acquisition, storage, and through ISM and GPRS dual communication with PC wireless data transmission. The test results show that the acquisition system has many advantages, such as simple circuit design, small size, low power consumption, high accuracy and strong anti-interference ability, which can fully meet the requirements of engineering field lightning current waveform measurement and can be popularized and applied.