This paper first puts forward a method which takes generalized Stockwell transform (GST) as a new and effective tool for time-frequency spectral analysis of SAR image signal.
本文首次提出广义S变换的时频分析方法,并将其作为SAR图像信号时频谱分析的一种新的有效的分析方法。
参考来源 - 非平稳信号广义S变换及其在SAR图像分析中的应用研究·2,447,543篇论文数据，部分数据来源于NoteExpress
A frequency spectral analysis was performed and a simulated deterministic expression of train loading was obtained by analysing the vibration of the carriage system.
根据轨道加速度测试数据和分析车辆体系的振动，得到了列车荷载的模拟数定表达式。
This paper first presents an experimental procedure to analyze wall surface heat transfer process and derive wall surface heat transfer coefficient by frequency spectral analysis method.
首次提出了用频率谱分析法分析墙体表面换热过程及推导墙体表面换热系数的实验方法。
With modern spectral estimation algorithm, spectrum analysis on Doppler frequency caused by vehicles radar movement is carried out in DSP chip.
利用现代谱估计的算法，在DSP芯片中对检测车辆雷达运动产生的多普勒频率进行频谱分析。
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