In this paper,the impact of mutual coupling on multiple-input multiple-output(MIMO) communications capacity is studied in broadband communication system.
研究了宽带通信系统中,互耦现象对多输入多输出(MIMO)通信容量的影响。
After an introduction to the principle and implementation of DTR-DS-BPSK UWB communication system,an synchronization scheme for DTR-DS-BPSK UWB communication system is obtained.
分析了采用差分传输参考(differential transmitted reference)-直接序列扩频-二进制移相键控(DTR-DS-BPSK)方案的超宽带(ultra-wideband,UWB)通信系统的原理及其实现方案,在此基础上,提出了一种适用于DTR-DS-BPSK UWB通信系统的同步方案,并利用Matlab对该方案在室外环境下的捕获性能进行了仿真,从而为室外环境下超宽带通信系统的相关设计提供了依据。
In wideband system,ambiguity function of Linear Frequency Modulation(LFM) is coupled in delay and Doppler,and the main ridge of Wideband Ambiguity Function(WAF) is not simple linearity.
在宽带系统中,线性调频信号的模糊度函数不仅在时延和多普勒频移具有耦合性,而且其宽带模糊度函数的脊线已经不是简单的直线,使得进行目标参量估计变得复杂。
In wideband system,ambiguity function of linear frequency modulation(LFM)is coupled in delay and Doppler, and the main ridge of wideband ambiguity function(WAF)is not simple linearity.
在宽带系统中,线性调频信号的模糊度函数不仅在时延和多普勒频移具有耦合性,而且其宽带模糊度函数的脊线已经不是简单的直线,使得进行目标参量估计变得复杂,作者为了提高其估计精度在文献[1]中给出两种修正方法,本文从仿真实验角度来验证修正2方法的有效性,实验结果显示该方法估计高速目标的速度时可提高估计性能。
Both system bandwidth and transmission speed of code are very important property parameters in the baseband transmission process for digital signals.
在数字信号的基带传输过程中,信息传输速率和系统带宽是系统的两个重要性能指标。
In this dissertation, several important subjects about broadband array radio frequency simulation system are studied, such as the limiting factor of system bandwidth, target positioning error, the structure and design of broadband radio frequency simulation system.
本论文就是以此为出发点,对与宽带射频阵列式目标仿真系统有关的几个问题,如系统带宽限制因素,系统带宽扩展方案设计,目标位置精度,宽带射频仿真系统的构成与设计等内容作了较为全面的研究,主要内容包括: 1、三元组模拟目标的位置精度是射频目标仿真系统精度的关键所在。
Research on Receiver Techenologies for UWB Impulse Radio;
脉冲超宽带通信系统接收技术的研究
The Research on Key Technology for DS-UWB Communication System;
DS-UWB超宽带通信系统关键技术的研究
Study on Turbo Coded Ultra Wideband Communications Systems;
Turbo编码的超宽带通信系统研究
Analysis and Simulation of BER in UWB Communication Systems
超宽带通信系统误码率的分析与仿真
The Research about Eletromagnetic Compatibility and Co-Existence of UWB System;
超宽带通信系统电磁兼容与系统共存性研究
Study on Antenna and Signal Design in Pulsed Ultra-wideband Communication Systems
脉冲超宽带通信系统的天线和信号设计研究
Study on Capacity of Ultra-Wideband Communication System;
超宽带通信系统信道容量的研究与仿真分析
Channel Estimaton Based on Fractal Interpolation for UWB System;
分形理论在超宽带通信系统信道估计上的应用
European Wideband Communications System
欧洲宽频带通信系统
Bandwidth Request Algorithm in DVB-RCS Satellite Communication Systems
基于DVB-RCS宽带卫星通信系统的BoD带宽请求算法
In the mobile communication environment, transmission bandwidth is limited.
在移动通信环境中,由于通信系统带宽的限制,传输带宽是有限的。
On Space-Time-Frequency Codes for Broadband Wireless Communication Systems;
宽带无线通信系统中空时频码的研究
Synchronization Technologies for OFDM Based Broadband-Satellite System;
宽带卫星通信系统中的OFDM同步技术
The Performance Analysis of UWB Wireless Communications System;
超宽带（UWB）无线通信系统的性能分析
Research of COFDM Technology in Satellite Communication;
宽带卫星通信系统中COFDM技术的研究
New Architecture of MPSR P3S Internal Communication System;
MPSR P3S宽带交换机内部通信系统新构架
Development and Design of Two Broadband Wireless Communication Systems;
两个宽带无线通信系统的研制与设计
Monitoring System of Broad-Band Repeater for GSM Mobile Communication;
GSM移动通信宽带直放站监控系统