提出了一种基于纹线方向投影信号谱分析的指纹纹线间距估计方法。
An estimation method of fingerprint ridge distance based on ridge orientation projection signal spectrum analysis is proposed to overcome some shortages in the present literatures.
着重介绍了码密度直方图法和谱分析FFT法两种常用的ADC动态参数测试方法，指出了该领域未来的研究方向。
Two methods, code density histogram and spectrum analysis FFT, are introduced, which are typically used to test dynamic parameters of ADC′s.
利用波谱分析技术，建立波谱性质与溶液热力学性质之间的关系是研究缔合体系性质的新方向。
Using the spectroscopic technology to establish the relationship between the spectroscopic information and thermodynamic properties is a new field of investigating the associating systems.
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