power spectrum

• 能谱,幂频谱

power spectrum的用法和样例：

例句

1. The energy spectrum and the radius of the single ion microbeam were measured.
   测试了单离子束能谱和束斑。
2. Studies of Energy Spectrum Analysis on the Absorption and Distributive Laws of Nutrient Elements in Sucking Roots of Ginkgo biloba L.
   银杏吸收根营养元素吸收及分配规律的能谱分析。
3. The generation of radar clutter with arbitrary spectrum property is discussed.
   摘要研究具有任意功率谱特性的雷达杂波产生方法。
4. This effect explains why the second peak in the power spectrum is lower than the first.
   这个效应解释了为何功率谱上的第二峰低于第一峰的现象。