• 脉冲宽带(IR - UWB)信号密集多径环境中存在严重时间弥散,会产生波形失真

    In dense multipath environments, IR-UWB (impulse Radio-Ultra Wideband) signals suffer from severe time dispersion which distorts the impulse wave.

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  • 脉冲超宽带穿墙检测与定位当中,要求天线水平面内具有宽波束达到房屋内部区域有效覆盖

    Wide beam width in horizon plane would be expected in antenna design for IR-UWB through-the-wall detection to cover most area of the room.

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  • 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清除的积分

    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.

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  • 超宽带脉冲运用高频距离内传输海量数据的最新尖端技术,比如iPod样式的播放器电视银屏传输视频文件

    A new advance is ultra-wideband (UWB) technology, which USES very high frequencies at very short range to transmit huge amounts of data, as in sending video from an iPod-like device to a TV screen.

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  • 分析了宽带冲激脉冲雷达连续雷达不同回波特性,指出冲激脉冲雷达对低空目标探测潜在优势。

    Differences of echo characteristic between impulse radar and continuous wave radar are analyzed, and the potential of UWB impulse for Super-Low-Altitude target-detection is remarked.

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  • 冲击脉冲雷达称作无载波雷达和视频脉冲雷达,是宽带雷达的一个分支特例。

    Impulse radar, also known as non-career radar and video pulse radar, is a branch or a special case of the Ultra Wide Band (UWB) radar.

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  • 讨论了采用联双极性晶体管结构超宽带脉冲发生器,并电路双极性晶体管雪崩工作原理进行了具体分析

    The paper analyses the electric circuit and the working principle of the avalanche of the bipolar transistor of the pulser with a cascade connected bipolar transistor structure.

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  • 宽带(uwb)无线通信通过直接发送脉冲无线电信号传送数据

    Ultra Wide-band (UWB) wireless communication technology transmits data through sending pulse radio signals directly.

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  • 宽带冲激无线电技术近年来新兴通信技术主要核心技术采用了冲激脉冲技术调制

    The UWB impulse radio technology is a new kind of communication method these years, in which the swash impulse and time-hopping code modulation techniques are mainly applied.

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  • 时间脉冲位置调制(PPM)技术宽带无线数字通信领域得到广泛应用。

    The pulse position modulation (PPM) technique is widely used in the field of ultra-wideband wireless digital communication.

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  • 第3章主要介绍了基于扁长椭球函数超宽带成形脉冲优化设计算法

    In chapter 3, a novel optimal UWB shaping pulse design algorithm based on prolate spheroidal wave functions is described.

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  • 通过概率表达式评定高斯噪声准确性,从而可以对宽带脉冲无线电网络的类高斯噪声性能进行分析

    This is used to assess the accuracy of the Gaussian approximation commonly used in the performance analysis of UWB impulse radio networks.

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  • 线性调频(LFM)信号三种主要数字产生方法进行分析,提出种基于波形存储直读法的宽带线性调频脉冲压缩信号数字产生系统方案

    On the basis of the waveform storage method, a digital generation system scheme for ultra wide-band LFM pulse compression signals is proposed in this paper.

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  • 分析宽带冲激无线电的脉位调制、通断键控调制脉冲幅度调制的信号模型

    The ultra wideband (UWB) radio models have been introduced with pulse-position-modulation (PPM), on-off-keying (OOK) and pulse-amplitude-modulation (PAM).

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  • 宽带UW B)技术实现关键之一是如何设计并产生可以控制的UW B极脉冲

    The key of Ultra-wideband(UWB) technology lies in how to generate the fast rise-time and short-duration pulse.

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  • 脉冲体制的超宽带正交解调接收机幅相误差模型进行了深入分析。

    The error model in UWB impulse quadrature demodulation receiver has been analyzed.

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  • 在研究匹配滤波重采样原理基础上,利用频带分割和多通道综合技术实现宽带信号脉冲压缩

    Then, a method exploiting the techniques of intersection of spectrum and multi-channel synthesis is presented to fulfill the pulse compression of the ultra-wideband signal.

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  • 基于脉冲宽带无线电系统一种典型超宽带实现方式。

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

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  • 通过宽带电磁脉冲无线电引信辐照实验研究了无线电引信超宽带电磁脉冲作用下的效应

    By the irradiation experiments of ultra-wideband electromagnetism pulse (UWB EMP) to radio fuse, the effects of radio fuse are studied.

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  • 同时,利用中频数字直接产生技术辅以实现宽带宽带雷达脉冲压缩信号的产生。

    Meanwhile, this technology cooperating double frequency chain can also generate wide band and ultra-wide band radar pulse compression signals.

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  • 实验表明无线电引信超宽带电磁脉冲照射下,产生现象。

    The experiments show that radio fuse may explode early when UWB EMP irradiate it.

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  • 提出了一种新型用于宽带系统的高斯脉冲发生器

    A new ultra wideband (UWB), low-complexity and step recovery diode Gaussian pulse generator is introduced.

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  • 探地雷系统一般采用宽带脉冲信号因而天线系统必须具有较好的宽带性能。

    The ground penetrating radar (GPR) systems usually use broadband electromagnetic pulse, so the antennas must be wideband and can couple electromagnetic energy into the ground.

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  • 用于检测隐藏活动目标宽带雷达就是基于基带无载波极窄脉冲的,有着广阔的应用前景

    Ultra wideband radar, using the promising and novel radio technology in detecting hidden targets, has a broad application prospect.

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  • 近年来超宽带脉冲无线电UWB-IR传输技术功耗速率、低检测截获率等特点受到军事通信领域关注

    UWB-IR technology has been concerned in military communications in recent years because of its high data rate, low power consumption, low probability of detection and low probability of interception.

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  • 由于宽带脉冲信号特性室内密集多径信道使超宽带信号产生严重的时间弥散

    Due to the extremely narrow character of UWB signal, dense multipath indoor channel will make UWB signal dispersed severely.

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  • 宽带(uwb)通信通过传输能量低的极脉冲占用带宽来完成短距离的高速通信。

    Ultra Wideband (UWB) system is an attractive high speed wireless communication scheme for short range communication. It transmits extremely short pulses, which occupy ultra wide band.

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  • 典型宽带雷达系统发射的是冲激脉冲信号具有很大带宽限制了系统的作用距离

    A typical Ultra Wideband Radar system emits impulse signal, which has wide band, but limited operating range.

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  • 首先介绍比较分析宽带信号波形调制方式接收机信号处理方法,讨论了超宽带脉冲产生方法。

    Firstly, the waveforms of UWB signal and their modulation modes, signal processing of receiver are introduced and compared. The method for generation of UWB narrow pulse is reviewed.

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  • 首先介绍比较分析宽带信号波形调制方式接收机信号处理方法,讨论了超宽带脉冲产生方法。

    Firstly, the waveforms of UWB signal and their modulation modes, signal processing of receiver are introduced and compared. The method for generation of UWB narrow pulse is reviewed.

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