查询词典 coefficient of covariation

Using covariation concept in array signal processing, the proposed algorithm can obtain clean speech signal subspace by eigendecomposition of the covariation coefficient matrix of speech signal corrupted by impulsive noise.

该算法把阵列信号处理中的协变异应用到语音增强中，对带噪语音信号的协变异系数矩阵进行特征值分解得到纯净语音信号的子空间。

Fixed detector data of Shenzhen is used to reveal time-varying rules of traffic flow parameters during workday, weekend and holiday as well as its fluctuation degree within 24 hours. Similarity coefficient and fluctuation coefficient are cited to show the covariation and fluctuation degree of traffic flow on different days.

以检测器数据为对象进行分析，揭示了交通流参数在工作日、周末和节假日三类时间的不同变化规律以及交通流参数在一天中的波动程度；引入相似系数和波动系数，研究了各天的交通流参数在时间轴上的变化趋势的相似程度以及各天之间的波动程度。

On the other hand, the more important thing is because the urban housing is a kind of heterogeneity products.

另一方面，更重要的是由于城市住房是一种异质性产品。

Climate histogram is the fall that collects place measure calm value, cent serves as cross axle for a few equal interval, the area that the frequency that the value appears according to place is accumulated and becomes will be determined inside each interval, discharge the graph that rise with post, also be called histogram.

气候直方图是将所收集的降水量测定值，分为几个相等的区间作为横轴，并将各区间内所测定值依所出现的次数累积而成的面积，用柱子排起来的图形，也叫做柱状图。