1) impedance function model
路阻函数模型
1.
On the basis of analyzing the characteristics of the problem,the paper researches into the impedance function model to work out the time resistance,risk resistance,and expense resistance,converts it into MapBasic expression,then uses the improved Dijkstra arithmetic to solve the problem and finally checks it with some examples.
在分析战时运输最优路径问题特性前提下,着重研究战时运输路阻函数模型,求出时间阻抗、风险阻抗和费用阻抗,标定阻抗参数μ1,μ2和μ3,及确定函数模型的MapBasic表达,在给出最优路径模型基础上,利用改进的Dijkstra算法求解。
2) impedance function
路阻函数
1.
The establishment of the impedance function is a key to the traffic distribution.
建立路阻函数是交通分配一个关键问题。
2.
Impedance Function is a key factor to traffic assignment,and BPR function is one widely used,but the result is not satisfying when BPR function is used in some cases with its default parameter which are commended.
路阻函数在交通分配过程中左右着路径的选择,目前广泛采用的路阻函数是美国公路局提出的BPR函数,但在交通分配的实践过程中使用美国公路局推荐BPR参数得到的结果并不理想。
3.
The study on the impedance function of urban road in different grade is very important to the ITS.
城市道路分等级路阻函数的研究对智能交通系统(ITS)至关重要,本文首先分析了大城市快速路以及主干路的特点,并给出了相应的路阻函数的形式,并基于实际调查数据分析了城市快速路及主干路路段的车速与交通量的关系,通过得到的关系论述了两等级道路的路段路阻函数的特点及适应形式。
3) Link Performance Function
路阻函数
1.
Deduction of Link Performance Function and Its Regression Analysis;
路阻函数关系式推导及其拟合分析研究
2.
Method of Link Performance Function Calibration in Multi-path OD Matrix Back—calibration
多路径OD矩阵反推下的路阻函数标定方法
3.
A general link performance function of motor vehicle with mixed traffic was extended from the BPR model,and then the variables were selected and the parameters were calibrated by field data.
由美国联邦公路局BPR函数模型拓展得到混合交通条件下机动车路阻函数的通用形式,基于统计学原理对实测数据进行变量筛选和参数标定,建立了综合考虑机非干扰、对向干扰和横向干扰的实用路阻函数模型。
5) function mold of highway requirement
公路需求函数模型
6) Functional model
函数模型
1.
In this paper was set up the functional model of fertilizing effect between seedling height and N,new tip and N,tip dry weight and N/P,and whole seedling dry weight and N/P.
通过对长白落叶松S1-1苗木的正交施肥试验,建立了苗高与N肥,新梢与N肥,新梢干重与N、P和全苗干重与N、P的施肥效应函数模型。
2.
From the object of land management, the content of dynamic poise of arable land quantum was analyzed, and the functional model of dynamic poise of arable land quantum was set out.
从土地管理的目标出发，分析了耕地总量动态平衡的实质，提出了耕地总量动态平衡的内涵及其函数模型，进而分析了耕地数量、耕地质量、时代（时间）和区域（空间）等四个变量因素与耕地总量动态平衡的相关性，并认为制定一个科学的、切实可行的土地利用总体规划是实施耕地总量动态平衡的技术基础。
3.
This paper gives the detailed calculation process, and divides the fitting model into functional model and statistical one to do explanation.
本文给出了具体计算步骤并将拟合模型分为函数模型和随机模型进行说明,最后通过具体算例对此方法的可行性和优越性做了分析和探讨。
补充资料：阻路
1.阻塞要道。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条