1) aliasing frequency
混叠频率
2) frequency mixing
频率混叠
1.
Frequency mixing existed in laser heterodyne interferometer is studied.
研究了激光外差干涉仪中存在的频率混叠现象、误差形成机理和变化规律。
3) frequency aliasing
频率混叠
1.
The problems of frequency aliasing, stockade effect and spectral leakage etc.
介绍了在逆变电源的PWM调制波信号分析中存在的频率混叠、栅栏效应、频谱泄漏等问题,阐述了开发ZPM系列交流传动测试系统时为进行准确的信号分析采用的频率预取技术及零相移数字滤波器软件。
2.
Mallat fast discrete wavelet transform emphasizes the total anti -aliasing and signal reconstruction,but omits the frequency aliasing restraint of components,which produces serious frequency aliasing in power system harmonic detection.
Mallat快速离散小波变换注重总体抗混叠和信号重建,忽略分解分量中的频率混叠抑制,在电力系统谐波检测中产生严重的频率混叠现象。
3.
Because of the design of Mallat Algorithm,the phenomenon of frequency aliasing exists in the signal decomposition process.
Mallat算法由于自身设计的原因,在信号分解过程中,存在频率混叠现象。
4) frequency aliasing
频谱混叠
1.
The research of frequency aliasing of Contourlet transform based on directional filter banks;
基于方向滤波器组的Contourlet变换频谱混叠特性研究
2.
It shows that we can avoid the frequency aliasing by changing the direction of t.
得出了当被测物体的频谱呈现非圆形分布时,可以采用改变投影的光栅条纹的方向消除频谱混叠,达到在不增加条纹密度和图像获取装置的分辨率的情况下减小或消除基频和零频间的混叠。
5) spectrum alias
频谱混叠
1.
The analysis and dispose spectrum alias based in harmonic measurement;
基于谐波检测的频谱混叠分析与处理
6) frequency aliasing
频域混叠
1.
Decrease bandwidth of Morlet wavelet through increasing it’s time-domain wave crests can alleviate frequency aliasing in CWT.
通过增加Morlet小波函数的时域波形波峰数,减小Morlet小波函数的频域带宽,从而减轻采用Morlet小波函数进行连续小波变换时的频域混叠现象。
补充资料：频率计量(见时间频率计量)
频率计量(见时间频率计量)
frequency metrology: see time and frequency metrology
口n IQ liliang顷率频率计皿(f比quency metrolo盯) 计t。见时闰
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