1) period-spectrum
周期-频度谱
1.
The automatic discrimination and criteria study between blasts and small earthquakes by analysis of period-spectrum;
周期-频度谱在小爆破自动识别研究中的应用
2) periodfrequency distribution
周期频度谱
1.
Besides the conventional approaches,the method of the periodfrequency distribution is especially applied in this work.
爆破与地震的识别已有大量专著论述，本文除采用常规识别方法外，对周期频度谱的方法进行了系统的研究，结果表明该方法可以很好地对地震和爆破予以识别。
4) frequency content parameters
频谱周期参数
1.
Analysis of frequency content parameters and non-stationary characteristic of near-fault ground motions
近断层地震动的频谱周期参数和非平稳特征分析
5) Asynchronous periodic spectrum sensing
异步周期频谱检测
6) duration estimation
扩谱周期
1.
The Application of Enhanced Spectrum-reprocessing to the Duration Estimation of the PN Sequence of DS/SS Signal;
应用增强二次谱估计直扩信号扩谱周期
补充资料：频度
1.梵语音译。点。指有形物组成的最小部分。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条