... 井氏辐射律 Jeans' radiation law 联合频率分布 JED (joint frequency distribution) 吉普拖车 jeep trailer ...
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J-shape frequency distribution page3的 中文 翻译 ... quantitative frequency distribution : 数量次数分布，数量频率分布 failure frequency distribution : 故障频率[数]分布 joint frequency distribution : 联合频率[数]分布 ...
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联合频率[数]分布 joint frequency distribution
联合时频分布方法把整体频谱推广到局部频率，根据频率随着时间的变化情况，对信号进行有效的分析。
Generalized into local frequency from integral frequency, the method of joint time-frequency distribution effectively analyzes the signal based on the variation of frequency with time.
这种分析方法提供了时间域与频率域的联合分布信息，清楚地为我们描述了信号频率随时间变化的关系。
As one of the best tools to analyze the non-stationary signals, it shows a good picture in the joint time-frequency domain and makes us know about the change of frequency along with the time clearly.
目标的时间-频率联合分布能够很好地反映目标物理结构特征，可以作为雷达目标识别的一个有效手段。
The time-frequency joint distribution of a target reflects well its physical structural property so it can be used as an effective means of radar target recognition.
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