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。
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。
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。
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。
and the general sports or activities of daily living, Flexion,extension,rotation activities conducted in a certain abduction angles.
外展45°时内旋肌群峰力矩值和相对峰力矩值均高于其它两种外展角度;外展90°时外旋肌群峰力矩值和相对峰力矩值均高于其它两种外展角度(240%除外)。
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。
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。
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。
New 2D-DOA and Angular Spread Estimation Method for Incoherently Distributed Source
非相干分布源2D-DOA与角度扩展估计新方法
A Cognitive Approach to Hand and Shou Metaphorical Extension in English and Chinese;
从认知角度看Hand和Shou的语义扩展
The Choice of Exchange Rate Regime:The Impossible Triangle and its Extension;
汇率制度的选择:不可能三角及其扩展
The Trust in Extension of Transaction: an Institutional View;
交易扩展中的信用——一个制度与组织的视角
On Expanding the Scope of Administrative Litigations from the Administrative Act Perspective;
从行政行为角度探讨行政诉讼受案范围的扩展
System Responding on Lawyers Practising Profession Right Extent Expanding--Take System Perfecting of Procuratorate as Visual Angle;
律师执业权限扩展的制度应对——以检察机关制度完善为视角
The crack tends to propagation when the dip angle α=45°and the specimen with the dip angle α=45° has the smallest peak strength.
倾角α=45°时表面裂纹最容易扩展,并且试样表现出来的强度最低。
Expanding higher education through user charges: theoretical analyzing from efficiency perspective;
通过成本回收扩展高等教育:社会效率角度的理论研究
Distribution area and expanding speed of Alien invasive species Spartina spp. in Yellow River Delta
黄河三角洲外来入侵物种米草的分布面积与扩展速度
Analysis on the Behaviors of the Developer and the Government Branch--Based on the Extended Game Theory
城市拆迁中开发商和政府部门的行为分析——基于扩展式博弈的角度
An Analysis of Social Welfare Extension System from the Perspective of Group Behavior Evolution
基于群体行为演化角度的社会福利扩展机制解析
A specific degree or range of extension.
扩展界限扩展的具体程度或界限
A comparative study of the beam-width spreading and angular spread in atmospheric turbulence
大气湍流中光束束宽扩展和角扩展的比较研究
The Institution Choice to Propel Domestic Demand Based on Empirical Study
当前扩大内需的制度选择:实证的视角
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
The Opening of the China s Capital Account in the Frame of the Extended Triangle;
“扩展三角”框架下的中国资本帐户开放
A Cultural Perspective on the Evolution and Expansion of the Functions of American Universities;
美国大学职能演变与扩展的文化视角
If the expansion unit is connected at an angle or not quite pushed in all the way, it may cause damage to the FD-MH Series.
如果在一个角度连接扩展单位或着不是一直推挤,它也许造成对FD-MH系列的损伤。