A quantitative digital analysis method is established in this research. The calculation, analysis and display are realized by MATLAB program.
建立了一种定量的数字分析方法，并运用MAT LAB软件工具实现其计算、分析和显示。
Applying period frequency spectrum method to analysis of digital seismic recording is discussed in this parer.
论述了周期-频度谱方法在分析数字化地震记录中的应用。
With theoretic testify and experimental analysis, the method of using synergetic order parameter as quantitative index of digital watermark robustness has feasibility and practicability.
从理论推导和实验计算分析，用协同序参量作为数字水印的鲁棒性评判指标，具有一定可行性和实用性。
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