The cross spectrum expression of energy flow is deduced when two linear accelerometers are arrayed to measure energy flow.

推导了利用两点线性加速度传感器测量能量流的互谱表达式。

youdao

Cross spectrum estimation based on a single vector sensor has turned random process in time domain into random variables in frequency domain.

单矢量传感器的互谱估计，将时域随机过程变换成了频域随机变量。

youdao

The relationship between the sea temperature on the South China sea and the rainfall in the Yunnan by means of cross spectrum AD power spectrum analysis.

采用波谱分析的方法对南海海表温度和云南省降水作出分析，通过功率谱以及交叉谱计算表明了云南省降水与南海海温之间的一些相关关系。

youdao

But what we did find was a cross ideological spectrum, liberals and conservatives both the corrections were ineffective when they received them.

NPR: Campaign Attack Ads Call 'Facts' Into Question

Moreover, it also helps one to understand where lasting change is likely to originate: not from the occasional activity of a cross-spectrum grouping, but from the sustained, persistent, targeted, and strategic activity of one.

FORBES: Richard Sakwa's Outstanding Analysis of the Putin System's Past, Present, and Future