The system includes the dual-tone multifrequency signal detection module, the musical sound processing module, the harmonical analysis module of circularity and many other demonstration modules.

系统包括话机按键双音频信号识别、圆轮廓形状误差谐波分析、数字音频效果及原理性演示实验等。

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The overall hardware design scheme is performed, such as DSP 3. 3V power, voltage and current sampling module, IGBT driving circuit, I/O signal processor, fault detection module and COM circuit etc.

对系统硬件设计的DSP 3．3V电源的获取、电压电流采样模块、IGBT 驱动、一般I／O信号的处理、故障监测和串口通信电路进行了研究分析。

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The system comprehensively applied advanced MCGS configuration software, GPRS module, signal detection and processing technology, can effectively monitor, do statistics and enquire all kinds of data.

系统综合应用了先进MCGS工控组态软件、GPRS模块、信号检测与处理等技术对油井现场进行了有效地监控，能对各种数据进行方便地统计和查询。

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