1) propagation loss
传播损失;传播损耗
2) 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。
3) 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。
4) transmission loss
传播损失
1.
Sea-bed acoustic parameters inversion by explosive sources and transmission loss
由爆炸声源及传播损失反演海底声学参数
2.
For the sake of computational intensity, the normal mode methods meet difficulties in the calculation of transmission loss fields at high frequencies.
由于计算量的问题,使用简正波方法解算高频段水声传播损失场受到很大的限制。
3.
This simulation model can forecast low frequency acoustic transmission loss perfectly.
数值计算与资料实验数据表明,该仿真模型能较好地预报浅海低频声传播损失,具有计算精度高、计算速度快等优点。
5) Propagation loss
传播损失
1.
2 and 3 show the variation of propagation loss with distance at the depth of 78 m a.
本文采用了一种全液态Kraken简正波模型 ,对位于浅海信道的目标海区的传播特性进行分析 ,得到了不同传播条件下信道的传播损失和频率特性图 ,为水声通信系统的设计提供了理论基础。
2.
Considering the equations of active and passive sonar, the target intensity by submarine, the radiated noise feature of submarine, the model of propagation loss in shallow water, the feature of ocean environment, etc.
根据航空搜潜装备的特点,结合主/被动声呐方程、潜艇目标强度、潜艇目标辐射噪声特征、搜潜装备性能、浅海传播损失模型、海洋环境特点等,建立了单基地条件下搜潜装备搜潜范围的数学模型,并以海洋环境噪声的变化为条件,仿真分析了搜潜装备有效搜潜半径随海洋噪声的变化情况。
3.
Convergence zone survey is an important part of marine acoustic propagation loss survey.
会聚区调查是海洋声传播损失调查的一项重要内容,在调查前大致了解海区中的会聚区分布情况,将给会聚区调查带来极大的便利。
6) acoustic propagation loss
声传播损失
1.
Analysis of acoustic propagation loss at oilwell port.;
油井端口声传播损失分析
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。
参考词条