image frequency [电子] 像频 ; [电子] 镜像频率 ; [电子] 图像频率 ; [电子] 镜频
image frequency interference [电子] 镜频干扰
image frequency rejection ratio 镜频抑制比 ; 像频抑制比
image frequency rejection mixer 镜频抑制混频器
image frequency signal [电子] 镜频信号
image frequency selectivity 像频率选择性
image frequency ratio 镜频抑制比
image sweep frequency 图像扫描频率
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A portrait type that appeared with relentless frequency in eighteenth-century England is the familiar image of a gentleman poised with one hand inside his partially unbuttoned waistcoat.
18世纪英国出现频率极高的一种肖像类型，是人们熟悉的绅士单手插在部分没有扣子的马甲里的形象。
And it USES the texture, frequency and direction of image to choose the embedding position and intensity according to human visual properties.
根据人类的视觉特性，由图像的纹理、频率、方向特征自适应地确定嵌入位置与强度。
In this case, time frequency analysis must be performed for every range cell to obtain range instantaneous Doppler (RID) image.
这时需要分距离单元进行时频分析，得到距离-瞬时多普勒图像。
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