• The UWB system based on narrow pulses train is a typical UWB system.

    基于脉冲宽带无线电系统一种典型的超宽带实现方式。

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  • As an important part of the UWB system, design of UWB antenna has sparked much attention.

    作为系统重要组成部分超宽带天线设计引起了越来越多的关注。

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  • Synchronization is crucial to the system performance for DS-UWB system with RAKE receiver.

    采用RAKE接收的DS-UWB系统中,同步系统的性能至关重要。

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  • In the PAPM UWB system, input data was modulated onto both the pulse phases and the pulse positions.

    PAPM调制uwb系统输入数据调制脉冲的幅度位置上

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  • As one of the important devices in UWB system, the UWB filter design has become a popular direction gradually.

    作为UWB系统重要器件之一UW B滤波器的研究逐渐成为一个热门方向

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  • The performance of UWB system based OFDM in the typical indoor channel is studied at first, and a model of reception energy is given.

    本文首先研究了典型室内信道下基于OFDM技术宽带(uwb)通信系统性能提出了一种接收能量模型

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  • With respect to the complex monitoring environment of multi-user, this paper focused on dynamic resource allocation in MB-OFDM-UWB system.

    针对复杂用户监测情况,重点对多用户MB-OFDM-UWB系统的动态资源分配进行了分析和研究。

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  • As to the simple monitoring environment of single user, this paper mainly analyzed and implemented adaptive modulation in MB-OFDM-UWB system.

    针对简单用户监测情况,分析实现了单用户MB - OFDM - UW B自适应调制系统

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  • The synchronization schemes of OFDM-UWB system proposed in this thesis can be simply realized by iterative or simple shift add and sub computation.

    本文提出OFDM -UWB系统同步方案算法简单可以采用迭代简单移位加减运算来实现

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  • The UWB system specially applies in short distance wireless communication because of its characteristics such as lower power and anti-multi-path decline ability.

    宽带系统由于功耗、低截获抗多径衰落效益好特点特别适合应用短距离无线通信领域中。

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  • Since UWB system generally operates in dense multipath indoor channel, multipath interference becomes one of the main interferences affecting system performance.

    UWB主要应用密集室内信道中,多径干扰系统主要干扰来源之一。

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  • The performance of time hopping pulse position modulation (TH-PPM) UWB system using this wavelet monocycle was studied under additive white Gaussian noise (AWGN) channel.

    同时研究了性高斯噪声(AWGN)信道中,时扩频调制(TH PPM)UWB系统中使用窄脉冲的系统性能

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  • UWB is mostly applied in dense multipath indoor circumstance. The Inter Chip Interference (ICI) caused by multipath is very important for designing a high rate UWB system.

    由于UWB主要应用密集室内环境,所以研究多径效应造成的码间干扰对于设计高速uwb系统非常重要

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  • The expression of the SNR of the UWB system is derived, and the influences of UWB and NB signal parameters on the SNR is discussed theoretically and illustrated by simulation results.

    首先推导UWB通信系统NB信号干扰作用下的信比的表达式然后分析讨论UWBNB信号参数uwb系统信嗓比的影响,最后仿真实验验证了理论分析。

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  • For UWB is mostly applied in dense multipath indoor circumstance the study on Inter Code Interference (ICI) caused by multipath is very importance for designing a high rate UWB system.

    由于UWB主要应用密集室内环境,所以研究多径效应造成干扰对于设计高速uwb系统非常重要

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  • It showed that the scatterers movement has slight effect on the UWB system when the signal-to-noise ratio (SNR) is small and the effect is mild when the velocity of scatterers is slow.

    研究结果表明,信号信噪比较小时散射移动不会系统性能产生太大影响,同时缓慢移动的散射体系统性能的影响也不大

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  • To resolve the large time jitter error of middle-long range action in UWB fuse systems, a novel time system base on crystal frequency division has been proposed.

    解决中远距离超宽带引信中的距离延迟和缓解延迟时间抖动误差,本文提出了一基于晶振分频的时间系统

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  • With the consideration of the characteristics of the low frequency UWB-SAR system, the radiometric calibration, polarimetric calibration and the motion status CAL.

    本文充分考虑低频uwb - SAR系统特点辐射校准极化校准运动状态校准等方面展开深入的研究。

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  • Based on the UWB radar system, the emitting waveform design and signature waveform detection are discussed respectively in this paper to realize the detection and discrimination of targets.

    本文宽带雷达体制下分别从发射波形设计特征波形检测两个角度实现目标检测和识别

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  • In this paper a novel gated integrating method for IR-UWB correlation receiver is proposed, which USES linear time-invariant system to approximate integrator with discharging.

    提出种应用脉冲超宽带相关接收机新型门控积分方法利用简单的线性不变系统实现带清除的积分

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  • To solve these problems, this paper presents a high performance, namely low voltage, high linearity and high conversion gain, CMOS direct down conversion mixer for UWB (Ultra Wide Band) system.

    基于这种背景,本文提出了一种应用于超宽带系统高性能低压线性度、高变频增益直接变频混频器,采用标准的CMOS工艺设计和实现

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  • The low frequency, UWB and large processing angle result that the polarimetric calibration for regular SAR system cannot be used.

    系统低频特性,UWB特性处理特性使得常规SAR极化校准不再适用。

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  • UWB time domain transient field measurement system, UWB-MCE, is used in the imaging experiments.

    本文的实验研究利用时域瞬态测量系统- UWB - MCE

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  • Doubly orthogonal PSWF pulse is an ideal pulse according with the requirements of UWB communication system.

    正交pSW F脉冲符合UW B通信系统要求一种性能较理想脉冲。

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  • This paper describes hardware and software design of data acquisition system for UWB search and rescue radar, which adopts TMS320VC5509 as the core processor and is based on FIFO and DSP.

    文中介绍了TMS320 VC 5509核心处理器基于FIFODSP超宽带搜救雷达数据采集系统硬件软件设计

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  • A wideband low noise amplifier (LNA) topology for ultra-wideband (UWB) system is proposed by combining PCSNIM de-sign flow with a resistive shunt-feedback.

    结合电阻并联反馈,利用PCSNIM流程设计了一个用于宽带(UWB系统宽带LNA电路。

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  • The selection principle of the template pulse for IR-UWB communication system is also investigated.

    最后,文中IR-UWB通信系统接收机模板信号选取原则做了初步的探讨。

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  • On the basis of an introduction of TH-PPM UWB communication system, this paper advances a parallel detection receiver scheme.

    介绍基于TH - PPM调制方式宽带通信系统基础上,深入讨论并行检测接收机方案并分析了其工作原理。

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  • The most critical component of the EMC testing system for mobile handsets is the UWB detecting antenna.

    这套移动终端电磁兼容测试系统关键组件就是宽带检测天线。

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  • According to the above research work, the validity and feasibility of the moving target UWB detection system designed are proved.

    通过以上研究工作,证明了所设计的目标超宽探测系统正确性可行性

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