英语翻译The high sensitivity of bandwidth to the profile shape poses great challenges to the profile control in the fiber manufacturing process.关键在：profile shape 和profile control 搞不懂!另：1.With the LP approximation,light propaga

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英语翻译The high sensitivity of bandwidth to the profile shape poses great challenges to the profile control in the fiber manufacturing process.关键在：profile shape 和profile control 搞不懂!另：1.With the LP approximation,light propaga
英语翻译
The high sensitivity of bandwidth to the profile shape poses great challenges to the profile control in the fiber manufacturing process.
关键在：profile shape 和profile control 搞不懂!
另：
1.With the LP approximation,light propagating in a fiber with the index profile of (1）【注：（1）是一个公式】
2.The light carrying capacity depends on the index delta,the core diameter,and the index profile shape.
3.Similarly,any deviations in the index profile from the optimum alpha value will decrease the fiber bandwidth.
这里的the index profile又是什么意思?

英语翻译The high sensitivity of bandwidth to the profile shape poses great challenges to the profile control in the fiber manufacturing process.关键在：profile shape 和profile control 搞不懂!另：1.With the LP approximation,light propaga
从字面上来说,profile shape是指“（光纤的）轮廓形状”；profile control就是指“（光纤的）轮廓控制”； index profile是指“折射率形状（在数学上来说就是折射率曲线）”.前两个词的翻译只能靠自己理解不用翻译,不知道楼主的这个句子是母语为英语的人写的么.最后一个词是各个文献比较常见的表达.
补充：我们见到的光纤其实是三层结构：纤芯,包层和最外面的保护层.所以在制造光纤时,拉制光纤的工艺要求很高.结合这点看来,profile shape其实就是指光纤制造时的形状（物理上用参数the index delta, the core diameter, and the index profile shape等来表达）,可能是shape一般用来形容可见的实体,比较宏观的描述,在这儿作者才用了这个表达：profile shape

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