cumulative distribution function是什么意思

用法例句

There are two kinds of addition,namely,superposition and accumulation.

论述了叠加的必要条件并对叠加和累加作了区分。

This paper mainly researches white and black balls homogeneous permutation problem,an algorithm based accumulation and its simple analysis are given when any possible homogeneous permutations are analyzed under different condition,the validity of this algorithm is verified through the experiment.

主要研究黑白球的均匀排列问题,在简要分析了不同情况下如何做到"尽量均匀"后,给出一个基于累加的算法,并对该算法进行了简单的分析。

Analysis and simulations show that the algorithm based on auto-correlation has higher estimation accuracy and is not sensitive to frequency offset; the algorithm based on accumulation has lower complexity of implementation and comparable estimation accuracy under low frequency offset.

分析和仿真结果表明:基于自相关的算法抗噪声能力强,估计精度不受频偏大小的影响;基于累加的算法在小频偏范围内的性能与基于自相关的算法近似,且复杂度更低。

In this paper,the factors which influence the high speed and accuracy CNC machining are analyzed,and a cubic spline interpolation algorithm is presented,which takes the accumulated chord as its parameter.

该文分析了影响曲线、曲面加工精度和速度的因素,提出了一种基于累加弦长的三次参数样条曲线插补算法,并采用脉冲均匀化、速度预处理等方法,将其运用于GL-2000数控系统取得了非常好的效果。

The cumulative impact analysis was used to find the reasons of desertification.

1995—2000年间,是该地区沙漠化动态变化最大的时期,沙漠化驱动力的累加效应表明,人口数量与牲畜量对沙漠化的累加效应均很明显,且人口数量对沙漠化的累加效应要高于牲畜量;年均风速对沙漠化的累加效应在各个时间尺度均很显著,年均温在大于2a的时间尺度上对沙漠化的累加效应最明显。

When the composition of mobile phase is far away from the position of the abrupt change,the multiple injection of proteins before and after starting a gradient elution for one chromatographic separation in the IEC,HIC and RPC can be performed.

分离蛋白质的梯度洗脱色谱中,当洗脱液B液达到一定的百分浓度前,可以多次累加进样,保留值及分离度无可觉察的变化。

Evaluation with additive index of surficial and deep ore-bearing potentials of the Laowan gold minerealized belt;

利用累加指数对老湾金矿带地表及深部含矿性评价