1) flaring angle
扩口角度
1.
To provide a reference for future burner design,a numerical simulation method on the influence on coaxle swirl burner of change of flaring angle of primary air tube was proposed.
为了改进燃烧器设计,提出了一次风扩口角度改变对同轴旋流燃烧器影响的数值模拟方法。
2) the entrance angle of the expansion tube
入口扩张管角度
3) angular spread
角度扩散
1.
Experiment research on angular spread characteristics in suburb environment
郊区环境下角度扩散特性的实验研究
2.
Through physics modeling,the spatial spread characteristic in the mutipath fastfading chnnel is introduced,and using the computer imitated results of typical parameter values in the typical environment,some conclusions about spatialangular spread characteristic are gained,and the shortages of the performance research about mobile channel are made up.
通过物理建模,直观介绍了多径快衰落信道中的空域扩散特性;利用对典型环境下的典型参数值的计算机仿真结果,得到了空域角度扩散特性的一些结论。
3.
By isolating the central DOA and angular spread into decoupled parts,2-D joint searching can be simplified to sequential 1-D searching,which reduces computational complexity.
通过将中心波达方向与角度扩散进行分离,把二维联合搜索简化为一维搜索,降低了计算复杂度。
4) angle spread
角度扩展
1.
The scheme involves the channel delay spread,doppler spread,angle of arrival and angle spread,etc,and it can simulate the correlation properties of space-time MIMO channel in time domain,frequency domain and space domain,which is useful for the analysis and simulation of MIMO systems.
这一仿真模型同时考虑了时延扩散、多普勒效应、波达方向及角度扩展等信道参数,能够完整地描述无线衰落信道的空间、时间以及频率特性,具有运算复杂度低、产生简便等优点,从而为MIMO无线链路性能仿真、系统容量分析以及实现算法性能评估提供了有力工具。
2.
The modeling method produces the stochastic fading involving delay spread,doppler spread,angle spread,etc.
该信道建模采用随机产生方式,同时考虑信道的时延扩展、多普勒扩展、角度扩展等多种信道参数,通过调整某些参数可生成适用于各种MIMO技术研究的信道模型,如智能天线、空间分集、复用等,并且具有计算复杂度低、产生简便的优点。
5) azimuth spread
角度扩展
1.
Both spatial correlation and fading in time domain are integrated into this model, and many channel parameters such as time dispersion, Doppler effect, direction of arrival, azimuth spread, and power azimuth spectrum are fully considered in this model.
本文研究了一种应用于移动通信系统中收发端皆为多天线系统的MIMO信道建模的方法,将功率延迟函数,空域相关以及时域衰落融入到信道模型中,充分考虑了时延扩散、多普勒效应、波达方向、角度扩展、到达角功率谱分布等多种信道参数。
2.
Many critical channel parameters such as time dispersion,direction of arrival,azimuth spread,and power azimuth spectrum and Doppler effect are fully considered in this paper.
充分考虑了时延扩展,到达角,角度扩展,角度功率谱,多普勒效应等空域时域关键参数,并给出了仿真结果,对于研究矢量信道特性有重要意义。
6) angular spread
角度扩展
1.
According to the approximation model for CD source, we know that, in thecircumstance of small angular spread, the angular spread mainly affects theamplitude of the general steering vector (GSV).
根据相干分布源的近似模型可知，在小角度扩展情况下，角度扩展主要影响广义方向向量各元素的幅度。
2.
Based on specially array geometry designation,the angular spread could be estimated by substituting the estimated DOA into the amplitude information vector.
介绍了一种新的非相干分布源的2D-DOA与角度扩展估计方法。
3.
To solve the high computing load of the parameter estimation algorithm for incoherently distributed source,a new DOA and angular spread estimation algorithm is proposed.
针对现有非相干分布源参数估计算法计算量大等问题,提出了一种新的DOA和角度扩展估计算法。
补充资料：口角疮
口角疮
口角疮 病名。见《幼幼集成》。即指口角生疮，多见于小儿。亦即口吻疮。详该条。
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