The main structure of the mixer adopts two symmetrical single-balanced mixers, with phase-shifting of the up and down path signals to eliminate the image frequency.

混频器主结构采用两只对称的单平衡混频器组合，通过上下两路信号移相来达到消除镜频的目的。

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Meanwhile, combining these two ideas, we propose a new kind of single-source shortest path algorithm based on bucket structure, which has good time complexity and parallelism property.

同时，提出了结合这两类算法思想的一种基于桶结构的单源最短路径串行算法，算法具有好的运行时间复杂度和可并行性。

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