应用星座图分类,结果与费歇方法分类是相同。
The result of classification by star graph method is same as that of Fisher's method.
并以半矩阵、全矩阵和星座图等形式表达测定结果。
We expressed the results in the forms of semi-matrix, complete-matrix and constellation figures.
本文探讨了星座图在棉花品种数量分类中的应用效果。
This study probed into the application of the constellation graph (CG) in quantitative classification of cotton varieties.
给出了利用信号星座图的QAM信号调制方式识别技术。
The modulation recognition technique of QAM signal by the constellation diagram is given in this paper.
结果表明,星座图是一种清晰简洁而又有效的数量分类方法。
The result indicated that the CG was an objective, effective, clear and simple quantitative classification method.
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。
The methods of Time-Domain Analysis consist of eye diagram, vector diagram, constellation diagram, correlation, synchronization, etc.
从前这是对的,大约 2000年前编此星座图的时候太阳会在巨蟹座上。
Originally yes, the sun would have been in Cancer when the star/sun charts were produced about 2000 years ago.
提出排序的球形译码算法,能处理任意形状的星座图信号,降低译码时间。
Propose the ordered sphere decoder so that it can process the constellation with any shape and quicken the decoding time.
星座图聚类是表型性状的聚类,聚类结果与自交系间的血缘无必然的联系。
There were no relationship between the result of constellation graphical cluster analysis and the kin of inbred lines.
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。
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.
并在保证系统可靠性要求下,针对不同的信道衰落条件选取合适的QAM星座图级别。
An adaptive constellation levels were selected for different channel states to increase throughput under the constraint of the system's BER.
现在市场上有很清楚的星座图,你可以试着在有卖关于天文和望远镜杂志的店里找找看。
There are wonderful sky charts on the market today. You might try looking at the shop pages of Sky and Telescope magazine.
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。
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.
对于一个公司、个人、团体或国家,星座图都是一个很好的分析工具。没人知道为何占星学会有效。
A horoscope is a great analytical tool for companies, individuals, any groups and countries as well - they too have a horoscope and this can be relevant for businesses.
将接收到的码元星座图通过一组并行的自适应盲均衡器,当盲均衡器与星座图匹配时其代价函数收敛到最小。
By the use of a set of parallel adaptive blind equalizers, the cost functions of equalizer matched to the received symbol constellation con - verges to the minimum.
本文采用基于统计模式识别的方法,研究了非合作通信与合作通信中通过提取调制信号的星座图特征对调制模式进行识别的问题。
In this research, based on statistical pattern recognition method, we use constellation of modulated signals to classify modulation modes both in non-cooperative and cooperative communications.
这种方法对高斯噪声和星座图由于信号初始相位而引入的旋转具有良好的稳健性,并避免了神经网络中的过学习和局部极小点等缺陷。
This method is robust to Gaussian noise and constellation rotation due to initial phase of signal and avoids overfitting and local minimum in neural networks.
他就是在研究第23张星座图时发现了问题:图中有三颗星星,但只有两颗能与已知古城对上号,意味着第三颗星极未有可能尚未被发掘。
It was in the 23rd constellation, containing three stars, that he found two matching cities on the map, suggesting one has not yet been re-discovered.
将截获信号的直观几何特征(星座图)映射到变换域中,可区别不同调制内部的同相正交分量的相对关系,避免了聚类算法受噪声干扰和其他随机因素影响。
The novel feature distinguishes relative distribution between in-phase and quadrature components and lightens the great influence caused by noise and other random factor in clustering algorithm.
将截获信号的直观几何特征(星座图)映射到变换域中,可区别不同调制内部的同相正交分量的相对关系,避免了聚类算法受噪声干扰和其他随机因素影响。
The novel feature distinguishes relative distribution between in-phase and quadrature components and lightens the great influence caused by noise and other random factor in clustering algorithm.
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