结果表明：等离子体的谱线强度随激光器工作电压、功率密度的增大而增大。

The experimental results shows that the spectral intensity of the plasma enhances significantly with the increase of the operating voltage and the power density.

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从轨道谱的功率谱密度、时间样本幅值及对动力学性能影响的角度，对比了秦沈线轨道谱和德国轨道谱。

The track spectra of Qinhuandao-Shenyang(QS) passenger railway line and German railways were compared in terms of power spectrum density(PSD), amplitude of time domain samples and dynamic performance.

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通过对谱线进行基体校正和干扰校正，实验数据处理结果表明，方法简单、快速，且具有较好的准确度和精密度。

The spectral matrix and interferences were corrected. The result of experimental data analysis has shown that the method is simple, rapid and precision was satisfactory.

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