分布式光纤传感检测在DSP下的设计与实现
首发时间:2009-11-12
摘要:本文给出了一种光纤振动传感检测在TI C6416 DSP下实现的方法。传感器在朝着灵敏、精确、适应性强的方向发展的过程中,光纤传感器因其抗电磁干扰、无电感应、耐受性好等因素倍受青睐。分布式光纤传感系统是利用光线作为传感敏感元件和传输信号介质,采用OTDR技术,探测出沿着光线不同位置的温度和应变的变化。DSP主要是用于大量的FFT、IFFT数值运算比较方便,本文将结合二者来阐述一个实现过程,最终实现光纤振动检测的功能,也为传感器的DSP的数值运算方面起到一个抛砖引玉的作用。
关键词: 分布式光纤传感器 DSP库函数 快速傅里叶变换 数字信号处理器/基本输入输出系统-实时操作系统
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Distributed Optical Sensor Detect Implementation in DSP
Abstract:In this paper, we give a method to implemented the distributed optical sensor detected in dsp platform. The development direction of sensor has been towards the sensitive, accurate, strong adaptable direction. The optical sensor has so many characteristics such as anti-electromagnetic interference, no-electric induction, well-tolerated. Distributed optical sensor system use the optical fiber as the light-sensitive element and signal transmission medium, it can detect the temperature and strain changes along different locations of the fiber.DSP is mainly used for large number of FFT, IFFT, and correlation calculation. This paper will illustrated the implemented procedure by combine both DSP and sensor algorithm and implemented the optical fiber vibration detection function. Also hope it play a role in attraction valuable opinion in the value calculation on DSP platform.
Keywords: Distributed Optical Fiber Sensor System DSPLIB FFT DSP/BIOS-RTOS
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