天线系统

在微波电路和天线系统中，阻抗匹配是十分重要的问题。

In microwave circuit and aerial system , impedance matching is very important .

移动通信智能天线系统塔放设备散热方案的仿真及选择

Cooling Project of the Equipment of Smart Aerial Amplifier on Tower is Simulated and Selected

折衍混合式相干CO2激光雷达天线系统性能研究

Performance Study on CO_2 Coherent Laser Radar Incorporate Antenna System

GPS多天线系统研究

Study of GPS Multi-antenna System

一种异步CDMA智能天线系统的盲空时接收机

Blind Spatial-Temporal Receiver in Asynchronous CDMA Smart Antenna System

二阶统计量在智能天线系统DOA估计中的应用

The Application of Second-Order Statistics in DOA Estimation of Smart Antenna

PSⅡ反应中心与捕光天线系统之间的能量传递研究

Study on the energy transfer process between the photosystem II reaction center and light-harvesting system

基于DOA估计的CDMA智能天线系统

CDMA smart antenna system based on DOA estimation

介绍了一种三元阵HF零位天线系统的设计。

This paper presents a technique for designing a three-array HF adaptive nulling antenna system .

LEO短数据通信小卫星天线系统设计

Antenna System Design of LEO Short-Data Communication Micro-Satellite

在CDMA系统中天线系统的调整对CDMA系统整体性能都会产生影响。

The whole performance of CDMA system is effected by the adjustment of antenna system of CDMA system .

SSB短波自适应天线系统中关键技术的设计与实现

The Design and Implementation of Key Technologies in SSB Shortwave Adaptive Antenna Anti-interference System

介绍了I-DEAS软件对某雷达天线系统的结构建模；

This paper introduces the elementary analysis of radar 's antenna structural with I-DEAS software .

HL-2A装置ECRH天线系统的结构设计

The structural design of ECRH antenna system for the HL-2A tokamak

研究表明，增大天线系统和脉冲对应的处理增益会降低UWB系统的误码率。

It is shown that , improving the processing gain corresponding to the antenna system and pulses can reduce the BER of the UWB system .

在对两大类智能天线系统的介绍中，本文首先讨论了一种以改进的Butler网络实现波束赋形的多波束切换系统，推导了该天线阵的馈电模型并给出了仿真结果；

In the part of introduction of Smart Antennas , we discuss the Switched-Beam Arrays realizing by mending Butler Network at first .

在此基础上，导出天线系统的广义Foster定理和表征广义谐振的网络Q值。

Based on the energy dependence , we introduce the generalized Foster theorem for an arbitrary antenna system and the network quality factor Q to further describe the behaviors of the generalized resonance .

依据智能天线系统扇区覆盖模式（即广播波束）对方向图的要求，利用GA的全局搜索性能，综合了阵列结构及单元激励相位。

Firstly , to meet the demand of smart antenna system sectored coverage mode ( namely Broadcast Beam ), the arrays configure and excitation phase are synthesized by the global search Genetic algorithm .

最后对LTE下行多天线系统做了性能仿真分析，仿真结果进一步验证了本文所提出方案的可行性。

Finally , the performance of multi-antenna systems of LTE is analyzed through computer simulation , and the simulation results further verify the feasibility of the proposed scheme .

HL-2A装置电子回旋共振加热的天线系统主要由天线外壳、椭球镜、平面镜、转动机构和推动机构组成。

The ECRH antenna system on the HL-2A tokamak consists of shell , ellipsoidal mirror , plane mirror , rotating and pushing mechanism .

基于MIMO技术用于多天线系统的空时编码是可以使信息容量接近理论容量的一种实用编码。

Space-time coding ( STC ) is a set of practical signal design techniques aimed at approaching the information theoretic capacity limit of MIMO channels , which is used for multi-antenna systems based on MIMO technology .

对于多天线系统，在快衰落条件下，传统线性信道估计算法，如LS（LeastSquares），虽然信道估计计算复杂度较低，但是信道估计精确度不高。

For the multiple antenna system , in the fast fading conditions , the traditional linear channel estimation algorithm , i.e. , least squares ( LS ), has lower computational complexity ; however , the channel estimation accuracy is far from satisfied .

文中对HF自适应三元阵列零位天线系统提出了一种单通道检测接收机方案，并分析了实现的可行性，给出了具体的实现方法，同时讨论了相关矩阵的算法。

This paper proposes a single channel detection receiver scheme for the HF adaptive three-array nulling antenna system and analyzes the feasibility of and the methods for its implementation . Also discussed is the algorithm for the correlation matrix .

用于家庭VHF-FM接收的自适应天线系统

Adaptive antenna systems for domestic VHF & FM reception

本文重点研究智能天线系统的关键技术之一&自适应数字波束形成（DBF）算法在DS-CDMA移动通信系统中的应用。

This thesis places emphasis on one of the key techniques of smart antenna - adaptive digital beam forming ( DBF ) algorithm and its applications in the DS-CDMA mobile telecommunications systems .

在该方法中，分布式天线系统的远端天线单元（RAU）根据信道状态好坏，形成针对用户传输的协作集合。

According to channel state information , some relevant RAUs ( Remote Antenna Units ) are chosen in distributed antenna system to form a cooperating set accommodate users .

TD-LTE室内分布系统的实现的原理是，在室外通信信号无法穿透的建筑物里面，使用室内分布式天线系统来实现信号的覆盖。

The principle of TD-LTE indoor distribution system is to use indoor distributed antenna system to achieve coverage of the signal in the buildings that outdoor communication signal can not penetrate inside .

多输入和多输出（MIMO）天线系统通过空间分集可以减弱多径衰落的影响，提高数据传输率和频谱利用率，必将被B3G无线通信系统所广泛采用。

Multi-input and Multi-output ( MIMO ) antenna system must be widely used in the B3G wireless communication system for the raison that it can take off the impress of multipath fading and increase the data transfer rate and spectrum availability .

然后提出了可与家庭无线电接收机联用、以改善VHF-FM接收质量的三种自适应天线系统。

Three types of adaptive antenna systems are presented for improving VHF & FM reception with a domestic radio receiver .

级联GMW序列和增强型相控序列有很大的线性复杂度和良好的自（互）相关特性，可分别用于单天线系统同步和多天线系统同步。

Cascaded GMW sequences and enhanced phase control sequences have large linear span , good autocorrelation and cross correlation properties , therefore can be used for synchronization in SISO-OFDM and MIMO-OFDM systems separately .