... 电阻性分电器电刷resistive distributor brush 子频段frequency sub-band 典型频率representative frequency ...
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low frequency sub-band image 低频子带图像
Sub-band Frequency weighting 子带分频加权
Sub-band frequency Spectrum Centriod 提出将子带频谱质心
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Then we choose to embed watermark in the frequency sub-band.
于是选择将水印信息嵌入到中频子带中。
Then, multifractal analysis is performed for low frequency sub-band. The multifractal spectrum is used as the characteristic parameters to filter pixels which mark different scenery.
然后对低频子带进行多重分形特性分析，再将多重分形谱作为特征参量进行像素筛选，筛选出标志不同景物的像素点。
A process which is coupled to the narrow band of brain temperature could allow all normal human brains to be affected by a sub-harmonic whose frequency range at about 10 Hz would only vary by 0.1 Hz.
与大脑温度的狭窄范围相对应的一种过程可能使得正凡人脑遭到一种频次范围在大约10赫兹并且只在0.1赫兹范围内变化的次谐波的影响。
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