1) zoom in the local spectrum
局部频谱细化
1.
So the zoom in the local spectrum method is adopted.
对此,引入局部频谱细化的方法对轨道移频信号的低频频率进行检测,并用MATLAB对算法进行仿真,仿真结果表明局部频谱细化法可以应用于轨道移频信号的检测中,且精度较高。
2) continuous zoom in the local spectrum
局部频谱连续细化
1.
High-accuracy frequency estimation based on the continuous zoom in the local spectrum;
基于局部频谱连续细化的高精度频率估计算法
3) local time-frequency spectrum
局部时频谱
4) spectral localization
谱局部化
5) local-refinement
局部细化
6) spectrum zoom
频谱细化
1.
Diagnosis of rotor faults of inductive motors using spectrum zoom analysis method based on wavelet transform;
基于小波变换的频谱细化方法在电动机故障检测中的应用
2.
LFM signal parameter estimation based on spectrum zoom
基于频谱细化的线性调频信号参数估计
3.
Since there are some discontinuity points in the amplitude of the vibration signals when the wheelset bearing is abnormal,a method for analyzing the vibration acceleration signals which come from the wheelset bearing by using the spectrum zoom is prsented.
当轮对轴承出现异常时,其振动信号中的幅值就会出现突变点,据此提出了利用频谱细化技术对轮对轴承的振动加速度信号进行分析的方法。
补充资料：局部
一部分；非全体：～麻醉 ㄧ～地区有小阵雨。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条