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现行 IEC 61280-2-9:2009
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Fibre optic communication subsystem test procedures - Part 2-9: Digital systems - Optical signal-to-noise ratio measurement for dense wavelength-division multiplexed systems 光纤通信子系统测试程序 - 第2-9部分:数字系统 - 密集波分复用系统的光信噪比测量
发布日期: 2009-02-11
IEC 61280-2-9:20 09提供了用于使用测量多通道接口处的光谱的设备获得光信噪比(OSNR)的参数定义和测试方法。因为噪声测量是在光谱分析仪上进行的,所以测量的噪声不包括源相对强度噪声(RIN)或接收器噪声。讨论了光谱分析仪(OSA)的三种实现方式: -基于衍射光栅的OSA, -基于迈克尔逊干涉仪的OSA, -和基于法布里-珀罗的OSA。 第二次增补取消并取代了2002年出版的第一版,构成了技术修订。较上一版主要变化如下: -在范围中增加了一个段落,描述了由于信号光谱宽度和波长滤波造成的限制; -并增加了附录B,以进一步解释由于信号光谱宽度和波长过滤而导致的测量噪声水平的误差。
IEC 61280-2-9:2009 provides a parameter definition and a test method for obtaining optical signal-to-noise ratio (OSNR) using apparatus that measures the optical spectrum at a multichannel interface. Because noise measurement is made on an optical spectrum analyzer, the measured noise does not include source relative intensity noise (RIN) or receiver noise. Three implementations for an optical spectrum analyser (OSA) are discussed:
- a diffraction-grating-based OSA,
- a Michelson interferometer-based OSA,
- and a Fabry-Perot-based OSA.
This second addition cancels and replaces the first edition published in 2002 and constitutes a technical revision. The main changes from the previous edition are as follows:
- A paragraph has been added to the Scope describing the limitations due to signal spectral width and wavelength filtering;
- and Annex B has been added to further explain error in measuring noise level due to signal spectral width and wavelength filtering.
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归口单位: TC 86/SC 86C
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