power spectral

常见例句

To raise the accuracy and precision of EDXRF and reduce detection, it is one of key measure that rising source power of spectral X-ray.
为了提高X射线荧光分析仪的准确度、精确度与降低分析检出限，有效地提高目标元素特征X射线的激发效率是关键性措施之一。
The fractal dimensions of soil cone indices were estimated in semi-variograms and power, spectral densities, which were all very close to 2.
运用分形和分维理论，用半方差法和功率谱密度法分别计算土壤强度的分维，其值接近2。
For the purpose, short-time energy-zero-product with power spectral subtraction was synthesized, and then a weighted power spectral subtraction was proposed for speech endpoint detection.
为此，笔者综合短时能零积法和功率谱减法，提出了加权功率谱减法，并用于语音端点检测。