查询词典 critical path analysis

In this paper, we analysis signal model of multi-path environment, and use high order cumulant method, together with some general DOA estimating method, to estimate DOA of multi-path accurately.

本文针对多径的影响，分析了多径情况下的信号模型，并采用基于高阶累积量的方法来解决多径情况下的DOA估计。

In this dissertation, the ideas of simulating directed Hamilton path problems by sticker systems are designed using their massive parallelism; Then some properties of directed graphs and sufficiency and necessity conditions of existing Hamilton paths in graphs are presented based on the analysis to directed Hamilton path problems according to the properties of languages generated by the sticker systems.

本文利用粘贴系统的巨大并行性，首先设计了模拟有向哈密顿路问题的粘贴系统，然后通过此粘贴系统所产生语言的性质对有向哈密顿路问题进行分析，给出了有向图的若干结构性质以及图中存在有向哈密顿路的充要条件。

Through doing Path Analysis, the directly path coefficient between any trait of seven and outcrossing seed-setting rate in Hybrid Rice Seed Production arrange from high to low is: rate of grain in neck, single stigma exsertion, opening angle of spikelet, dual stigma exsertion, flowering duration, flowering-time, spikelet opening time.

通径分析表明各个开花性状与异交结实率的直接通径系数由大到小为：包颈粒率，柱头单边外露率，张颖角度，柱头双边外露率，开花历期，开花时间，开花历时。

The concept of zero-path tracking in homotopy is generalized into minimum-path tracking and a new method for the training of multi-layer perceptron is thus put forward──the homotopic BP algorithm. An analysis is made on the convergence property of the proposed method.

采用同伦BP算法进行多层前向网络的训练高小榕，杨福生（清华大学电机及应用电子工程系北京100084）摘要本文把同伦论中零点路径跟踪的概念推广到多层前向网络能量函数极小点路径的跟踪，从而提出多层前向网络一种新的训练方法──同伦BP算法（包括教师同伦和输入同伦），并且分析了其收敛性质。

It takes advantages of AR-quiver analysis and APR- tilting translation. We proved: if T_A is a tilting A-module over a path algebra of type A_n or a characteristic tilting A-module over a path algebra of type D_n,E_6,E_7, E_8,then there are points corresponding indecomposable direct summands of T_A in theτ- orbit of each edge.

通过对Dynkin型路代数的AR-箭图分析及利用APR-倾斜变换，证明了A_n型路代数倾斜模及D_n，E_6，E_7，E_8型路代数本性倾斜模T_A的一个必要条件是，在A的AR-箭图Γ_A的边缘的r-轨道都有T_A的不可分解直和项对应的点。

In this study, we proposed a common-path method to reduce the inaccuracy of the phase analysis due to the optical path difference and the disturbance from the external environment.

本研究提出共光程的方式来减少光程差及外在环境扰动对於相位分析时所造成的误差。

The former firstly establishes state graph of power system, and then, with the use of the adjacency matrix and path matrix of the directed graph, fast finds out the key transmission sections suffered greatly from the outages of overload lines through simple calculation of matrix. In the latter, the minimal short transmission path, the length of which is calculated with line impedance, is determined with graph theory to focus on security analysis objects from the whole network to some key transmission lines.

前者根据实时网络拓扑结构和潮流分布状态，在对初始电力网络简化、分区的基础上，利用有向图的邻接矩阵与路径矩阵，通过简单的矩阵运算，快速识别出与过载线路相关的关键输电断面；后者直接利用系统各支路的阻抗，从图论算法的基本思想出发，搜索最易遭受大负荷转移的关键传输路径，从而将安全性分析目标从整个网络缩小到某些关键的输电线路。

GIS network path analysis is the hotspot of GIS research,while the shortest path is the most basic and the most pivotal problem,so the research on it was never interrupted.Based on the Dijkstra algorithm combined with the GIS its own chrematistics,a lot of improvement has been adopted compared with the traditional Dijkstra algorithm.

GIS网络剖析是GIS的研讨暖点和难点，而最短路径题目是GIS网络剖析中最基本和最关键的题目，海内外大量专家学者对最短路径题目入行过深入研讨，提出了多种解决最短路径题目的算法。

Path analysis showed internodal distance,first lateral branch number and whole-plant leaf weight with a significant positive effect on vindoline content (P.05), with path coefficients of 0.959, 0.716 and 0.431 respectively, which suggests that internodal distance, first lateral branch number and whole-plant leaf weight are the important factors in breeding C.

通径分析结果表明，长春花的主要农艺性状中，节间距、一级侧枝数和全株叶片重对文多灵含量的正影响达到了显著水平(P.05)，通径系数分别为0.959、0.716和。431，说明节间距、一级侧枝数和全株叶片重可以作为高含量文多灵长春花品种选育的重要参考指标。

For improving the static and dynamic seal properties of the magnetic fluid seal, the correlation between the seal capacity and the residual induction intensity and coercive force of permanent magnet has been studied. An ANSYS model for analyzing parametrically magnetic path was developed and optimize design of the magnetic path parameters has also been carried out based on the model and simulation analysis.

为了提高磁流体动、静密封的能力，文中探讨了磁性材料中剩余磁感应强度和矫顽力与磁流体密封能力之间的相互关系；建立了基于磁路参数化的ANSYS模型，通过磁路的仿真，数值计算实现了磁流密封结构的优化设计。

Connectors are lines that can be anchored to particular places, called glue points , on the graphic object.

连接符，可固定在图形对象的特定的地方的线条。

Another way of putting it, too many agents have a say in each other's work, and bureaucratic rigor mortis sets in.

另一种表达是，太多的作用物在彼此的工作里都有话语权，官僚的僵尸开始抬头。