查询词典 probability function

Then,by means of probability theory and event tree analysis,the fire growing probability and critical time for each phase were calculated,and the average burned area of ship was estimated.

根据不同阶段火灾的特点，求得了各阶段火灾的临界时间，并以其为基础对火灾发生后船舶舱室平均过火面积进行了估计。

In this paper the event tree is used in the analysis on cascading failures and by use of probability approximation theory of rare event the probability order of multiple failures is divided, thus the screening process of multiple failures can be simplified.

文章采用事件树对连锁故障的分析方法，运用小概率事件的概率近似理论对多重故障进行概率阶次划分，可以简化多重故障的筛选过程。

B According to the rules of probability, the probability of two independent and mutually exclusive events occurring is the sum of the probabilities of the separate events, or 25%+ 15%= 40%.

b 根据可能性原则，两个独立的和互斥的事件发生的可能性是单独事件可能性的总和。

The Six Sigma Black Belt should demonstrate a grasp of basic probability concepts, such as the probability of mutually exclusive events, of dependent and independent events, of events that can occur simultaneously, etc.

6西格玛黑带应掌握基础的概率概念，比如互斥事件的概率、关联和独立事件的概率、同时发生事件的概率等等。

The simulation results show that the method can obtain high detection probability and low false alarm probability.

仿真结果表明，该方法能获得较高的检测概率，较低的虚警概率。

It can get higher probability of detection based on lower probability of false alarm than other methods.

理论分析及仿真表明，本文提出的检测系统在微小目标检测中，具有很高的实用性。

These properties and conditions can be used to increase the detection probability and to lower the false alarm probability.

最后通过具体的实例表明利用这些性质选择合适的融合规则能够实现提高检测概率，降低虚警概率的目的。

Expressions of detection probability and false alarm probability about GPS signal acquisition were gained in this paper.

结果表明，采用MIMU辅助的时域非相干搜索算法可以提高对GPS信号的捕获能力。

The theory and the implementation of the genetic algorithms are discussed in detail. The question on how to choose the crossover probability, the mutation probability, the scale of population and the numbers of the generation is discussed. Then, the mathematics model of the optimal design is established. Exerting the finite element of elastic base beam and using FORTRAN to write the GAFORTRAN program. The program includes the common genetic algorithms and the modified genetic algorithms.

详细介绍了遗传算法的理论和实现技术，探讨了交叉概率、变异概率、群体规模、进化代数等变量的选取问题，建立起了基于遗传算法的深基坑支护结构设计的优化模型，结合弹性地基梁有限元法，利用FORTRAN语言编制了GAFORTRAN优化程序，程序中包括普通遗传算法和改进遗传算法。

It is verified by numerical simulations that the DDT-GC scheme is able to guarantee the quality of services, decrease the handoff dropping probability and forced termination probability, and improve the system resource utilization.

数值仿真结果表明，DDT-GC策略既保证了系统的服务质量，又有效地降低了系统的切换中断率和呼叫阻塞率，同时提高了系统资源的利用率。

The statistical analysis of this large set of mutations has led us to propose a diagnostic strategy that should help with the molecular work-up of optic neuropathies.

这一大系列基因突变的统计学分析引导我们提出一个诊断策略，可以帮助我们对视神经病变进行分子学的诊断检查。

The results show that the pipe grouting changes the mechanical parameters of surrounding rocks to achieve the security of engineering objectives by reinforcing surrounding rocks and bolcking the water.

研究表明：小导管注浆一方面改变了围岩的力学参数，另一方面利用浆液的固结特性可以实现堵水和加固围岩的工程目标，使隧道在开挖过程中的安全得到保障。