In this paper, we discuss even subharmonic mixing technique which can suppress carrier leakage in microwave direct modulator, or suppress IM2…

偶次分谐波混频可有效地抑制载波泄漏、二次混频失真及本振噪声，是提高调制器精确度及直接解调器动态范围的有效技术。

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The continuous mining was a technology developed by Codelco and a firm called IM2.

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