As one high order spectrum estimation, bispectrum estimation is widely used.
双谱估计是一种应用广泛的高阶谱估计。
The method of phase data time delay estimation based on high order spectrum is put forward.
本文提出了一种利用高阶谱相位数据进行时延估计的新方法。
Then, based on defining three conceptions called as the second order spectrum, two theorems about the second order spectrum were proven.
然后，以定义三个叫做二阶谱的概念为基础，证明了两个关于二阶谱的定理。
Using a Hilbert transform Modulator, the intensity distribution of first-order spectrum of crossed-slit is used for accuracy positioning in practice.
本文运用希尔伯特变换空间调制器使十字光栅一级衍射谱的强度分布用于精密定位。
The ultrasonic echoes of welding flaws for three types of pressure vessel are analyzed for feature extraction of signal processing using higher-order spectrum method.
针对焊接缺陷超声检测中信号处理的特征提取问题，应用高阶谱方法对三类压力容器焊接缺陷的超声回波信号进行了分析。
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
An envelope order spectrum based on multi-scale chirplet and sparse signal decomposition was proposed and applied to the fault diagnosis of gearboxes with rotating speed fluctuation.
提出了基于线调频基稀疏信号分解的包络阶次谱方法，并将其应用于变速齿轮箱故障诊断之中。
应用推荐