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Description: MIMO系统的功率优化问题，通过SVD分解和注水算法，可以实现不同发送天线上的功率分配。-MIMO system power optimization problem, and through the decomposition of water injection SVD algorithm can achieve different this antenna on the power distribution.
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Size: 2048 |
Author: 焦嘟嘟 |
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Description: This m-file displays the time waveform for the Gaussian pulse function and the first and second derivatives of the Gaussian pulse function for a 0.5 nanosecond pulse width. Other values of pulse widths may be used by changing fs,t,t1. The program uses the actual first and second derivative equations for the Gaussian pulse waveforms. The first derivative is considered to be the monocycle or monopulse as discussed in most papers. The second derivative is the waveform generated from a dipole antenna used in a UWB system. Other information is contained in the file.
-This m-file displays the time waveform for the Gaussian pulse function and the first and second derivatives of the Gaussian pulse function for a 0.5 nanosecond pulse width. Other values of pulse widths may be used by changing fs, t, t1. The program uses the actual first and second derivative equations for the Gaussian pulse waveforms. The first derivative is considered to be the monocycle or monopulse as discussed in most papers. The second derivative is the waveform generated from a dipole antenna used in a UWB system. Other information is contained in the file.
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Size: 2048 |
Author: 王琼 |
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Description: 超寬頻(UWB)無線脈衝通訊之射頻 RFIC 收發機及天線系統的研究製作-ultrawideband (UWB) wireless communication RF pulse RFIC transceiver and antenna system of production
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Size: 1024000 |
Author: 李翔 |
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Description: 直接序列扩频系统是在发端直接用具有高码率的扩频编码去扩展信号的频谱，而在收端用相同的扩频编码进行解扩使扩频信号还原为原始信号的一种扩频方式。直接序列系统中用的编码序列通常是伪随机序列或叫伪噪声（PN）码。要传送的信息经数字化后变成二元数字序列，它和伪随机序列模二相加(或相乘)后变成复合码去调制载波。在直接序列系统中通常对载波进行二进制相移键控调制(BPSK)。当扩频调制后由天线发射出去，在接收机中要有一个和发射机中的伪随机码同步的本地码，对接收信号进行解扩，解扩后的信号送到解调器取出传送的信息-direct sequence spread spectrum system is the originator directly with the high rate of spread spectrum signal coding to the expansion of the spectrum, and the resumption end with the same spread-spectrum coding for despreading spread spectrum signal so that the original signal reverted to a spread-spectrum approach. Direct-sequence system used in the coding sequence is usually pseudo-random sequence, or a pseudo-noise (PN) code. To the transmission of digital information by the following figures into binary sequence, it, and pseudo-random sequence-two together (or multiplication) into a composite code modulation to Carrier. In the direct-sequence system usually right carrier for binary phase shift keying modulation (BPSK). When spread spectrum modulation after the antenna launched, in the
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Size: 1024 |
Author: 成兴 |
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Description: 在单一天线接收和发送的UWB中Rake接收机BER的性能的仿真-In a single antenna to receive and send the UWB in the BER performance of Rake Receiver Simulation
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Size: 8192 |
Author: 蔺佳庆 |
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Description: uwb
天线选择算法
基于范数的选择算法和基于相关的选择算法的比较-UWB antenna selection algorithm based on the norm of the selection algorithm and selection algorithm based on the relevant comparison
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Size: 1024 |
Author: tang |
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Description: 关于UWB的信号设计，信道仿真，信号处理的matlab程序，共100多个已成函数！所有函数已有说明！-About UWB signal design, channel simulation, signal processing matlab, with a total of more than 100 has become a function! All function is described!
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Size: 113664 |
Author: 和奇峰 |
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Description: 本学位论文的工作在超高频射频识别(UHFRFID)系统的理论研究和设计
实践领域进行，包括了长距离无源后向散射UHFRFID阅读器射频前端的研制、脚B(超宽带)RFID系统源脉冲波形的优化设计、UHFRFID阅读器小型化天线的研制和UHFRFID标签天线的优化设计四个方面的研究内容。
-The dissertation work in the UHF radio frequency identification (UHFRFID) system of theoretical research and design practice areas, including long-distance passive backscatter UHFRFID reader RF front-end development, feet B (UWB) RFID system source Pulse waveform optimization design, UHFRFID reader antenna miniaturization of the development and optimization of the tag' s antenna design UHFRFID four aspects of the research content.
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Size: 7069696 |
Author: xqzhang |
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Description: 一种小型平面超宽带天线的设计与研究，提出了一种新颖的小型平面超宽带(UWB) 天线。-A small planar ultra-wideband antenna design and research, a novel small planar ultra-wideband (UWB) antenna.
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Size: 889856 |
Author: 刘林 |
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Description: 利用matlab对超宽带天线进行建模分析设计-Using matlab modeling of UWB antenna analysis and design
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Size: 1024 |
Author: xuyang |
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Description: A Stair-shaped CPW-fed Printed UWB Antenna for Wireless Body
Area Network
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Size: 1089536 |
Author: vino |
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Description: In this paper we investigate a multilayer frequency selective surface (FSS) and its potential use in ultra wideband (UWB) antennas. A complete design and analysis of the FSS with
an example UWB antenna is presented. The multilayer FSS provides an appropriate reflection phase to act as a reflector for
the UWB antenna and is able to enhance its gain. A design guideline for the FSS is presented via a parametric study. Evaluation of the multilayer FSS with a UWB slot antenna shows a significant enhancement of gain across an ultra wideband
(140 ) impedance bandwidth. Its compact configuration provides flexibility for mounting the reflector close to the slot antenna geometry and makes it more suitable for various UWB devices. Simulations show a linear phase response across 4 to 12 GHz band which is sufficient for ultra wideband operation.
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Size: 619520 |
Author: Mohamed Rias |
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Description: Two elements diversity planar antenna for a
multiple-input multiple-output application is proposed. By adopting two Y-shaped radiators, the antenna provides wideband impedance
matching characteristic over the desired frequency band. To reduce the mutual coupling between two radiating elements, three stubs are
inserted in the ground plane. Good impedance matching and improved isolation characteristics are observed. The measured impedance bandwidth of the proposed antenna ranges from 2.27 GHz
to 10.2 GHz for return loss less than 10 dB. Parametric analysis has been conducted to investigate the effect of radiator length and
insertion of stubs on the impedance bandwidth and isolation characteristics.
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Size: 1225728 |
Author: Mohamed Rias |
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Description: CHARACTERISTICS OF UWB ANTENNAAND WAVE PROPAGATION
This paper proposes an omni-directional UWB
antenna pattern in azimuth cut, low voltage standing wave
ratio (VSWR), and easy to construct antenna for ultra
wideband (UWB) systems. The designed antenna uses the
multi circular blade configuration with a radiating element
and on two different ground planes (square and circular
ground shape). The multi-circular blades UWB antenna
suitable for IEEE 802.15.3a and IEEE 802.16 UWB
communication applications at 3.1-10.6 GHz and 2-11
GHz bands is presented and in specification.
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Size: 2416640 |
Author: zouggari boualem |
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Description: Brief Overview of TRT
What is UltraWideBand (UWB)
UWB applications - Why Use UWB
Summary of ARTES 4 Indoor Positioning Project
Project Overview
System Overview
Summary of Performance Results
Recorded Demonstration
Regulatory & Standards Issues
Brief Summary of FH-UWB Indoor Positioning Project
TRT UWB Antenna - Brief Overview
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Size: 1045504 |
Author: anna |
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Description: ery good tutorial on UWB antenna which is basic for modern communications
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Size: 594944 |
Author: teja |
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Description: 带有三个频率循环的UWB天线的时域分析程序-UWB antenna for time domain analysis
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Size: 6374400 |
Author: 刘浩 |
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Description: ie3d软件和matlab的接口程序，并且含有UWB天线仿真实例，HFSS仿真天线太慢了，ie3d快，再用matlab里的优化程序调用，天线设计就变得很快了~-ie3d software and matlab interface program, and contains UWB antenna simulation, HFSS antenna simulation is too slow, ie3d fast, then the matlab optimization procedure calls, antenna design becomes very quickly ~
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Size: 19456 |
Author: 李梅 |
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Description: ppt on basic understanding of uwb antenna and uwb antenna design for under water communication
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Size: 1526784 |
Author: debashish pradhan |
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Description: Optically controlled UWB antenna光控集成宽窄带可重构认知无线电天线研究-Research on cognitive radio antenna reconfigurable optical integrated narrowband
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Size: 3846144 |
Author: 刘明 |
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