在多普勒调频斜率估计中,时频分析法比较直观,估计精度也不错,脱机处理中获得了广泛的应用,图像偏移法估计速度快,在运动补偿中得到了应用。
Image offset method that is also fast can be applied to motion compensation, time-frequency method is intuitionistic and have a better accurate, which is applied extensively on offline.
时-频联合信号分析法能描述非稳态信号的频率如何随时间而变化,故它能使我们更好地理解信号的本质。
Joint time Frequency Analysis (JTFA) describes and determines how the frequencies of non stationary signals change over time. It offers a better understanding of nature of the signal.
近年来才兴起的时-频联合分析法是分析处理频率随时间而改变的非稳态信号的强有力工具。
The newly emerged JTFA (Joint Time-Frequency Analysis) method is a powerful tool in analyzing time-varying non-stationary signals.
针对条纹计数法和相位分析法处理自混合干涉信号的不足,提出了一种基于时频分析的自混合干涉信号处理方法。
To overcome the limitation of fringe counting and phase analysis, a new method based on the time-frequency analysis is proposed to process the self-mixing interference signal.
针对条纹计数法和相位分析法处理自混合干涉信号的不足,提出了一种基于时频分析的自混合干涉信号处理方法。
To overcome the limitation of fringe counting and phase analysis, a new method based on the time-frequency analysis is proposed to process the self-mixing interference signal.
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