辐射频谱分布曲线上的两上半最大强度点之间的频率宽度，称为谱线宽度或半值宽度，简称谱宽。 谱宽所放射的谱量值是其最大值的规定的百分比的波长区。
In high-speed optical communication system, as an external modulator of signal source, Mach-Zehnder electro-optic modulators can get the narrow spectral width of modulation signal, and reduce the impact of fiber dispersion.
在高速光纤通信系统中,Mach-Zehnder集成光波导电光调制器作为一种信号源的外调制器,它可以获得很窄的调制信号谱宽,降低光纤色散的影响。
参考来源 - MachFurther analysis and discussion are needed. As flying over Zhanhuang, it is indicated that, small cloud particles number concentration decreases, mean diameter and spectrum width increases.
飞机于赞皇转弯后发现小冰晶粒子数浓度增加,冰晶粒子尺度有一定延展;石家庄上空小云粒子数浓度在相应时段内减小,平均直径增大,谱宽延展,大云粒子和降水粒子数浓度增加,且大云粒子数浓度增加明显。
参考来源 - 人工增雨效果物理检验适用方法研究和个例分析·2,447,543篇论文数据，部分数据来源于NoteExpress
基于 AD9874 芯片的数字接收机，我们提出了一种扩展数字接收机谱宽的二次抽取算法。
We propose a second decimation algorithm for widening the range of sweep width in the AD9874 based digital receiver.
两光波扰动频率的大小关系会影响不稳定增益谱的谱宽、峰值和形状。
The shape, width and peak of the power gain spectra of modulation instability will be influenced by the size relationship of the perturbation frequencies of the two waves.
对给定的传输距离，随着光纤向零色散附近靠近，两个频谱区谱宽增加直到相互重叠。
For a given dispreading distance, the widths of the two spectrum regions increase until overlay when second-order dispersion approaches zero.
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