1) frequency energy
频率能量
1.
The range to the subblock its principal direction Gobar filter carries on in the frequency domain the filtering of frequency energy distribution in the subblock’s principal direction.
提出了一种改进的Gabor变换的图像纹理增强算法,将空域的纹理图像变换到联合空间频率域并将联合空间频率域的能量分布作为掌纹的特征,Gobar滤波器在频域内对子块其主方向上频率能量分布进行滤波,特征向量进行了匹配识别,增强特征纹线信息并对核心区域进行多方向空间频率能量滤波合成,同时也对滤波算法进行了优化,有效地减少了运算量。
2.
The Gabor function filter the antithetical couplet block its principal direction upper frequency energy distribution carry on the high resolution filter in the frequency range,has carried on the recognition match.
Gabor函数滤波器在频域内对子块其主方向上频率能量分布进行高分辨率滤波,进行了识别匹配。
2) frequency-wavenumber energy spectra
频率波数能量谱
1.
However, less attention has been paid to the frequency-wavenumber energy spectra, which are important to the temporal statistics in turbulence and aeroacoustics.
对均匀各向同性湍流的频率波数能量谱进行了初步研究,得出均匀各向同性湍流中能量随时间、空间尺度分布的解析表达式,并运用直接数值模拟的方法对理论预测进行验证。
3) frequency of energy deposition
能量沉积频率
4) Method of output energy frequency
能量-频率探测方法
5) frequency-dependent energy loss
频率相关能量损耗
6) frequency of wind energy
风能频率
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