The propagation frequency characteristics of PD signals are studied.
研究了局部放电信号在其中传播的频率特性。
参考来源 - 大型电力变压器中局部放电信号传播特性的仿真研究Using the spatial frequency characteristics of HVS, appropriate areas are selected for watermark embedding. And each image sub-block which has different texture characteristic is embedded by different strength.
该算法利用HVS的空间频率特性,选择合适的嵌入区域嵌入水印,并且对于具有不同纹理特性的区域采用不同的嵌入强度,保证了水印的不可感知性。
参考来源 - 数字图像水印算法研究·2,447,543篇论文数据,部分数据来源于NoteExpress
This 1206 size attenuator has excellent high frequency characteristics.
这1206大小衰减器具有良好的高频特性。
This 0805 size chip attenuator exhibits excellent high frequency characteristics.
这0805大小的芯片衰减器具有优良的高频特性。
This thin film attenuator series exhibit excellent high frequency characteristics.
这种薄膜衰减器系列具有卓越的高频特性。
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