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1·The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.

给出了利用信号星座图的QAM信号调制方式识别技术。

2·The methods of Time-Domain Analysis consist of eye diagram, vector diagram, constellation diagram, correlation, synchronization, etc.

数字信号的时域分析有眼图、矢量图、星座图、相关性、同步等途径。

3·Constellation diagram and contiguous vector diagram are audiovisual methods in multivariate statistics, they may be used for the cluster analysis of multivariate sample or index.

星座图与连接向量图是多变量统计的直观方法，可用于多变量样本或多变量指标的聚类分析。

4·A new classification algorithm based on constellation diagram is proposed to overcome the weakness of traditional algorithms by witch few digital modulation types can be recognized.

针对现有数字调制方式识别类型有限的问题，提出一种基于星座图的分类算法。

5·I used the elements of planet diagram and constellation, and a sculpture of ark in the form of a meteorite to visualize this idea.

我运用行星图和星座的元素以及陨石形态的方舟雕刻来使这个想法形象化。