very-low frequency band 甚低频频带
very low frequency band 甚低频波段
Low Frequency Band 分析低频段
extremely low frequency band 极低频带
A design method for low phase noise agile X-band frequency synthesizer is presented, the theoretic analysis and calculation is performed and the test results are given.
介绍一种低相噪、捷变频x波段频率综合器设计方法，并进行理论分析、计算，最后给出测试结果。
The theoretical and experimental results are presented, which show the low axial ratio and low loss characteristics over octave frequency band of the polarizer.
给出理论和实验结果，证明了这种四层曲折圆极化器可以在倍频程范围内得到良好的低轴比、低损耗特性。
In low frequency sub band, the watermarking is embedded into host by the way of pixel-to-pixel embedding according to HVS model.
在低频分量部分，基于HVS视觉模型，将水印信号逐点变化地嵌入到原始图像中；
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