Then, starting with the concept of information entropy and analysis about cross method for rare event simulation, this thesis introduces the basic idea of cross entropy optimization method.

接着从信息熵的概念谈起，通过对小概率事件仿真方法的分析，引出交叉熵优化方法的思想。

youdao

In this paper, radar cross section of arrays with rectangular, cross-shaped and circular element is computed and the results are compared with the that of method of moment to validate this method.

文中计算了矩形、十字形及圆形单元微带阵列的雷达截面，并与常规矩量法和参考文献的计算结果进行了比对，验证了该方法的有效性。

youdao

It's a more powerful method than something called a cross-sectional study, and I'll come back in a later lecture and talk about these in more detail, but a cross-sectional study means you're taking a snapshot of a population of people at one time.

这种方法比所谓的横断面研究更加有效,我将在以后的课中,再仔细讨论这个问题,但横断面研究是指,你一次记录下一群人的状况

耶鲁公开课 - 关于食物的心理学、生物学和政治学课程节选

Using a different econometric method gets a cross-elasticity of about .20%, or a 2% increase in gas for every 10% decrease in price.

FORBES: Frack Gas Not Likely To Displace King Coal, Study Suggests

It seems that the old-school method of boosting network revenues from cross-promotional efforts have not worked for NBC at recent Olympics, and due to changing landscapes in demographics and viewing habits, may not prove useful in the future.

FORBES: Comcast/NBC Overpays for Olympic Rights: Strategically Savvy or Slightly Stupid?

On September 28th, the Civil Aviation Authority, the airports' regulator, is to recommend a new method of price regulation, which will end the cross-subsidy of airport charges.

ECONOMIST: Airports