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1)  propagation fading model
传播损耗模型
2)  indoor propagation loss model
室内传播损耗模型
1.
Based on the indoor propagation loss model, the algorithm uses the Maximum-Likelihood (ML) method , takes advantage of an iterative method to get the distances between the user and each receiver and the corresponding estimation of the shadowing factor in the propagation loss model, and gets the location estimation.
基于对数正态分布的室内传播损耗模型,本文利用最大似然估计算法,通过迭代估计得到用户与各个接收机之间的距离和相应的传播损耗模型中的遮蔽因子,并由此估计得到室内用户的位置。
3)  propagation loss
传播损耗
1.
Experiment study of electromagnetic wave propagation loss in oceanic evaporation duct;
海上蒸发波导条件下电磁波传播损耗实验研究
2.
The dispersion and propagation loss can be reduced significantly by properly choosing the thicknesses of the two magnetic films and separation layer.
分析了两个磁性层和间隔层的厚度对静磁后向体波色散和传播损耗的影响。
3.
By using Matlab simulation platform,the computing models of propagation loss in free space,line-of-sight in planar ground are simulated,and the relations between propagation loss and propagation distance,communication frequency are educed.
文章利用Matlab仿真平台,对自由空间中、平面大地视距路径与非视距路径上的传播损耗计算模型进行了仿真,分析得出了传播损耗与传播距离、通信频率等的关系;针对地空通信,对接收场强进行了仿真,分析得出了接收场强随发射功率、波长、通信距离、飞机高度和地面天线高度的变化关系。
4)  transmission loss
传播损耗
1.
Some tech-(nological) measures to reduce the signal s transmission loss in spread a.
通过对传播特性的仿真和比较,结果表明,建筑群对信号的干涉影响很严重,必须采取一定的技术措施,以减少信号的传播损耗。
2.
According to HF channel transmission theory combined with available mathematic models,aiming at C3I system,a complete and concise calculation procedure of HF transmission loss is proposed in this paper.
根据短波信道传播理论,结合各种现有数学模型,针对指挥自动化系统(C3I),提出一种完整、简单的短波传播损耗计算流程,并给出详尽的数学模型及仿真流程。
5)  propagation loss
传播损失;传播损耗
6)  loss model
损耗模型
1.
The loss models are divided into two types: one is based on physics, the other is based on mathematics.
损耗模型主要分为两大类:基于物理结构的IGBT损耗模型(physics-based)和于数学方法的IGBT损耗模型。
2.
When the system running steadily,the system use EOC tactic to acquire the best system efficiency,the induction motor loss model use the off-line method to calculate lower limit value of exciting current,then using algorithm of golden-section to search opti.
即系统进入稳态时,采用效率优化控制策略,通过电机损耗模型离线计算励磁电流设定值的下限,采用黄金分割法在已经缩小的范围内进行最佳励磁电流值搜索;而在负载或速度指令突然变化的动态过程中,励磁电流恢复到额定值。
补充资料:介质损耗角正切试验(见电容率与损耗因数试验)


介质损耗角正切试验(见电容率与损耗因数试验)
dielectric loss tangent test

)!eZh.sunhooJ一002匕engq一e sh一yon介质损耗角正切试验(dieleetri。1055 tangenttest)见电容率与损耗因数试验。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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