1) Propagation model calibration
传播模型校正
1.
The problems during propagation model calibration include the shadowing characteristics, sampling data and vehicle speed requirements.
传播模型校正作为进行规划设计的重要环节,必须考虑其实际操作的准确性和可操作性。
2) propagation model tuning
传播模型校正
1.
In another word, propagation model tuning is the basis of 3G wireless network planning.
也就是说,传播模型校正是3G无线网络规划的基础,传播模型的准确与否关系到小区规划是否合理,运营商是否比较经济合理的投资且满足了用户的需求。
2.
Finally, with actual examples we improved the key issues of propagation model tuning.
传播模型校正是网络规划中关键的环节,本文首先介绍了传播模型校正的原理和方法,并对传播模型校正中CW测试数据的预处理进行了分析,进一步以实际网规工具中应用的实例分析了传播模型校正中的关键点,对实际的网络规划提出了指导。
3) propagation model
传播模型
1.
Three worm propagation models to establish scale-free worm networks;
三种构建无尺度蠕虫网络的蠕虫传播模型
2.
Worm propagation modeling and analysis based on quarantine;
基于隔离策略的蠕虫传播模型研究
3.
Research the Propagation Model of Internet Worm;
Internet蠕虫传播模型研究
4) epidemic model
传播模型
1.
An epidemic model of mobile phone virus was built with preventive inoculation in Bluetooth environment.
提出了带有预防接种的手机蓝牙病毒传播模型,在模型中引入了手机蓝牙信号覆盖半径、节点分布密度、节点移动速度、比例因子和病毒复制时间等5个参数,讨论了各参数对病毒传播的影响。
2.
According to the propagation characteristics of smart phone virus in Bluetooth environment,it builds an epidemic model that characterizes the propagation dynamics of Bluetooth worms based on velocity subsection.
该文利用速度分级的方法模拟整个网络中节点速度的多样性,根据智能手机节点在蓝牙环境中的传播特性,给出蓝牙方式下的通信网络中手机节点平均度的计算方法和基于速度分段的手机蓝牙病毒传播模型。
3.
Building worm epidemic models is an important approach to study worm propagation characteristics.
建立了P2P蠕虫在三种典型结构化对等网中的传播模型,给出刻画P2P蠕虫传播能力的函数,并揭示了覆盖网拓扑对蠕虫传播的负面影响。
5) correction model
校正模型
1.
The useful near-infrared spectrum information was picked up by using genetic algorithms,and the near-infrared quantitative correction model was established by partial least squares(PLS) method.
以两组棉制品为研究对象,利用遗传算法提取有效近红外光谱信息,采用偏最小二乘法(partial least squares,简称PLS)建立了棉制品中含棉量的近红外定量的校正模型,讨论了遗传算法提取有用信息的具体应用方法。
2.
This paper relates to a correction model based on the computation according to position and height of each building as well as imaging parameters of sensors,which has been applied to an area in Shanghai for rectifying the green cover rate and green belt areas in a remote sensing research.
在分析城市绿化遥感中常用遥感数据成像特点的基础上,推导出投影误差造成的遮蔽面积公式,建立遥感遮蔽校正模型。
3.
In view of characteristics of pressure sensor affected by temperature changes and voltage fluctuation,a correction model of pressure sensor is presented based on Support Vector Machine.
针对压力传感器输出特性受温度变化和电压波动影响的问题,提出了应用支持向量机对压力传感器输出特性进行非线性补偿的校正模型。
6) Calibration model
校正模型
1.
The spectrum data sample characteristic choice,the data pretreatment,and the SVM Calibration model parameter optimization and mixture gas spectral analysis structure based on level were summarized and prop.
提出了光谱数据样本特征选择、数据预处理、SVM校正模型参量优化及层次式混合气体光谱分析结构等关键技术。
2.
The influence of calibration constant K,spectrum region selection and spectrum prepro- cessing on the veracity of a calibration model when establishing a model for rapidly determining aroma composition in naphtha by near-infrared spectroscopy are analyzed.
在采用近红外光谱建立石脑油芳烃含量校正模型的过程中,分析讨论了校正系数K值、光谱区域选取及光谱预处理方法对校正模型准确性的影响。
3.
By using type ZX440 near infrared petroleum analyzer,the calibration model of total sulfur content of jet fuels was established.
采用ZX440型近红外多组分油料分析仪建立了喷气燃料总硫含量的校正模型,对校正模型的准确性进行了验证,实际分析结果表明,近红外光谱分析可以实现对喷气燃料总硫含量的快速、准确测定。
补充资料：误差校正模型
误差校正模型
[误差校正模型】基于协整方程进行短期预测的模型。认为在时间序列的短期变化中天然寓有长期变动的作用，因而它的作法就是在短期方程中加人长期方程的影响因子。这个影响因子就是长均衡方程误差项的滞后项，一般滞后一期。 如果有随机向量Zt{21:，几，zat，一，氏，且有Zt一I(l)，而且有:入}Z，.，几，Z3吐，…，人一el(d，b)那么对于长期方程: z，!二谷铸z。+v，则有误差校正模型:△z，!=蕊，。△。!+从一，因为有△茂二Xt一Xt_，，误差校正模型可以还原到长期模型型式。
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