Abstract: This paper discusses the test problem concerning ratios of two normal density functions.
摘要：本文讨论对两样本正态分布密度比的假设检验。
Based on the theory of random field, this paper derives the random area unit's distribution and probability density functions.
本文基于随机场理论，导出了随机面元的分布函数和概率密度函数。
The average spectral density functions under MAS condition were derived from various models of jump motion and models of freely diffusive motion.
根据不同的跃迁运动和自由扩散运动模型导出了魔角旋转条件下的平均谱密度函数。
Objective The power spectral density functions of outpatient flow are calculated in order to study the spectral characteristics of the given time series.
目的以门诊量资料为例，计算功率谱密度函数，研究时间序列信号的频率域特征。
Different types of digitally modulated signals that have similar, if not identical, power spectral density functions can have highly distinct spectral correlation functions.
一些不同的数字调制信号有着相同或相近的功率谱密度，但它们的谱相关函数却有明显区别。
When the state process has Markov property, the recursive formulae for the conditional distribution density functions of filtering, prediction. and interpolation, are given respectively.
当状态过程具有马氏性时，还分别给出滤波、预测以及内插的条件分布密度函数的递推格式。
If probability density functions of stress and strength are definite, stress strength interference model can be used to calculate reliability using formulation or numerical value integration.
应力、强度概率密度函数确定可采用应力-强度干涉模型，用公式或数值积分求可靠度。
On the base of McDonald's previous work, this paper put an emphasis on the survey of modern urban density functions, which is becoming increasingly complicated under the influence of suburbanization.
本论文在此基础上，着重对反映城市化（尤其是其中的郊区化）进程中日趋复杂的现代城市空间结构变化的人口密度模型进行归纳整理。
This section of the course develops the mathematical concepts used in statistics. Three ideas are essential: Random Variable, Density Functions, and Expectations.
此部分课程扩展了统计学中的基本数学概念。三个基本想法如下：随机变数，密度函数与期望。
This section of the course develops the mathematical concepts used in statistics. Three ideas are essential: Random Variable, Density Functions, and Expectations.
此部分课程扩展了统计学中的基本数学概念。三个基本想法如下：随机变数，密度函数与期望。
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