基于分数阶Fourier变换的机械变速过程信号分析 关键词：变速过程；扫频信号；分数阶傅立叶变换 [gap=777]Key words: Modulated velocity processes; Chirp signal; Fractional fourier transform（FRFT）
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stepped frequency chirp signal 步进频率chirp信号 ; 调频步进信号
multi-component Chirp signal 多分量Chirp信号
Gauss pulse modulated Chirp signal 高斯脉冲调制Chirp信号
wide-band stepped-frequency chirp signal 宽带调频步进信号
chirp signal source 线性调频源
chirp signal using chirp信号
stepped chirp signal 步进信号
complex chirp signal 复线性调频信号
Finally, a specific circuit to produce chirp signal is designed in the paper.
设计了一个产生线性调频信号的具体电路。
This paper introduces an algorithm used in estimation of the phase error of chirp signal.
该文提出了一种对雷达发射脉冲进行相位估计的算法。
A tunable GaAlAs diode laser is used as a chirp signal source, the distance is detected by calculating the beat frequency.
由可调谐半导体激光器产生一个啁啾信号，通过测量拍信号频率计算距离。
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