Atomic spectrum analysis method is one of the most familiar and practical methods in numerous modern analysis methods of materials.
原子光谱分析法是众多的材料现代分析方法中最为常见和实用的方法之一。
Application DFT Discrete Fourier Transform, right through MATLAB continuous signal spectrum analysis, in order to meet the theoretical analysis and practical needs.
应用离散傅里叶变换dft，通过MATLAB实现对连续信号频谱分析，以满足理论分析和工程实际的需要。
The bad spurious performance is the major problem that restricts the applications of DDS, so the theoretical and practical analysis attaches importance to the spectrum performance of DDS.
由于杂散性能较差是DDS应用受限的主要原因，本文从理论和实际应用两个方面着重分析了实际参数DDS的输出频谱特性。
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