摘要
光纤性能对信号的传输具有非常重要的影响,因而安装前对光纤性能检测显得尤为重要。针对光纤性能的检测,进行了机理分析及检测装置的研发,并对光功率不同衰减区域以及对音频和数字信号的传输进行检测。研究测试结果表明:该装置具有成本低廉、精度满足实际需要、兼具光功率测量和数字信号、音频信号传输性能等优点,因而具有很好的精度,可靠性高,并有效地提高了电路的信噪比。
The optical fiber performance is very important for the signal transmission on communications, pre-installation testing particularly. Aiming at the detection of the optical fiber performance, through mechanism analysis, a kind of optical fiber tester was developed, the different ranges of optical power attenuation and transmission of digilal signal and audio signal were detected. The testing result proves that the tester has some advantages, such as low cost, accuracy meet the requirement, optical power measurement and the signal transmission per- formance of digital signal and audio signal, and it is very precise, high reliability, the signal to noise ratio has been effectively enhaneed.
出处
《机电工程》
CAS
2010年第3期96-99,共4页
Journal of Mechanical & Electrical Engineering
基金
吉林省教育厅资助项目(吉教科合字【2007】第377)
关键词
光纤
光功率
检测
对数放大
optical fiber
optical power
test
logarithmic amplifier
