便携式信号发生与检测装置的设计  

Design of portable signal generation and detection device

作　　者：刘华[1] 亓庆新[1] 唐冬梅[1] 

机构地区：[1]中南大学地球科学与信息物理学院,湖南长沙410083

出　　处：《现代电子技术》2012年第19期95-96,100,共3页Modern Electronics Technique

摘　　要：在室外的仪器使用中,经常会遇到机器需要检修的问题,但是实验室常用的示波器和信号发生器由于电源、体积等问题不便携带,这时就需要采用简易、便于携带的测试仪器。设计了一套基于嵌入式核心的由便携式信号发生装置和便携式信号检测装置组成的系统。信号发生装置采用DDS技术以51单片机控制其产生信号,信号检测装置以基于Cortex-M3核心的STM32处理器为基础,配以必要的辅助电路从而实现对实时输入信号的检测。信号发生与信号检测装置既可以组合使用也可以单独使用。为室外仪器的检修提供了一套便携式的系统。Outdoor instruments often encounter maintenance problems. Oscilloscopes and signal generators commonly used in the laboratory are inconvenient to carry because of power supply and large volume and then simple and portable test equipments are adopted. The paper designed a set of portable signal generating device and signal detection device system based on the embedded core. The signal generating device adopts DDS technology, which uses 51 single-chip to control signal, and the signal detection device based on the STM32 processor with Cortex-M3 as the core, equipped with the necessary auxiliary circuit, achieves real-time input signal detection. The signal generation device and the signal detection device can be used in combination or can be used alone, which provide a portable system for the maintenance of outdoor instruments.

关 键 词：嵌入式 DDS技术 51单片机 便携式 

分 类 号：TN06-34[电子电信—物理电子学]