The track spectrum model is analyzed deeply to obtain appropriate catenary irregularity power spectrum model.
为了得到合适的接触网不平顺功率谱模型，对轨道谱模型进行了深入的分析。
That theory and method not only push the study of track spectrum very much, but also provide reference for those researchers in field of other spectral analysis.
这一理论与方法不仅使轨道谱的研究大大向前推进了一步，而且也可供其他领域的谱分析工作者借鉴。
The catenary irregularity is researched from time-frequency analysis of the data detected based on existing research results of track irregularity and track spectrum.
在已有轨道不平顺和轨道谱研究成果的基础上，从接触网不平顺检测数据的时频分析方面对接触网不平顺进行了研究。
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.
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。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
In consideration of the synchronization of PN code in spread spectrum communication system, a acquisition and track scheme of PN code based on the theory of match filter is analyzed.
针对扩频通信系统中的伪码同步问题，分析了基于匹配滤波捕获跟踪算法的伪码数字化同步方案。
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