single-main distribution

Based on the effective extraction of the single pulse waveform, two pulses identification methods ( a) adaptive clustering algorithm and three-dimensional distribution ( b) synthetic features extraction in time and frequency domain are proposed.

在有效提取单脉冲波形的基础上，提出了两种脉冲识别方法分别为基于自适应聚类及三维谱图的脉冲识别方法和基于时频联合特征提取的脉冲识别方法。

TEOAE energy distribution takes the average energy of the normal hearing persons as 0 dB, and 5% percentage at single side as the 95% normal value range. TEOAE energy distribution represents the energy loss and is convenient for the comparison to the pure tone audiogram.

TEOAE能量分布图以正常人的平均能量作为0dB，以单侧5%位数作为95%正常值范围，它体现了能量的损失情况，便于与纯音测听的结果相比较。

After adding the single phase distribution mode, the low voltage distribution system presents a pattern of single and three-phase hybrid power distribution.

加入单相配电后，配电系统呈现出单三相混合配电的模式。

Single-Phase Run of Three-Phase Distribution Transformer and Its Boundary Conditions

三相配电变压器单相运行分析及约束条件

Single-phase distribution has the characteristic of small capacity, dense distribution points and short radius that lead to the more branches in single and three-phase hybrid distribution system. Its network structure becomes more complexity, and the fault location becomes more difficult.

单相配电小容量、密布点、短半径的特点使单三相混合配电系统的分支增多，结构更加复杂，故障定位相较于三相系统更加困难。

The core mass of single-phase and three-phase distribution transformers with wound core is analyzed and calculated. The examples are given.

对单相、三相卷铁心配电变压器的铁心质量进行了分析和计算，并给出了实例。

Then build a model of single and three-phase hybrid distribution system based on MATLAB, and research the case of line selection and the method of fixing fault segment with DC signal and fault position with AC signal by simulation.

基于MATLAB搭建了单三相混合配电系统模型，对接地选线情况和直流定段、交流定点方法做仿真研究。

This paper is just to discuss distribution circuit of TN-system in the single-phase, including both three-phase four-wire system and three-phase five-wire system. In what situation does dangerous voltage happen with N-wire?

本文讨论TN（接零）系统中，三相四线和三相五线在其末端单相配电系统中，N线在什么条件下会发生危险电压？

The final and excellent innovation of this paper is to found the monitoring model of tip axial force of single piles, the plane distribution monitoring model of tip axial force of pile group and the depth distribution monitoring model of axial force of single foundation piles.

在对基桩轴力实测值进行潮位修正后，利用神经网络建立了单桩轴力监控模型、群桩桩顶轴力分布监控模型以及基桩轴力沿深度分布监控模型，这是本文的主要创新点。

The mixed Weibull distribution is more suitable than the single population Weibull distribution when used for the failure probability distribution curve with break point;

对带有折点的失效概率分布曲线，混合威布尔分布更能准确真实地反映实验数据的统计特性；