可用于对模拟超宽带信号进行数字化采样处理。
The invention can be used for executing digitization sampling processing to the super-wideband signal.
超宽带信号经多径信道传播会产生严重的时间弥散。
In multipath environments, ultra-wide band signals suffer from severe time dispretion.
超宽带信号的最佳接收问题是目前超宽带通信研究领域的重点部分。
At present, it is important to study the optimization of receiving UWB signals in the range of UWB communication.
由于超宽带信号的宽带效应，其抗干扰能力是必须要研究的关键问题之一。
Because the frequency spectrum of UWB signal is very wide, its anti - jamming performance is very important.
通过将估计出的冲激串信号与高斯单脉冲波形卷积，完成超宽带信号的波形重建。
The waveform of UWB signals can be reconstructed by convolving the estimated impulse signals with Gaussian monocycle.
研究表明超宽带信号在矩型波导中传播时会出现失真，而且传播距离越远，失真越大。
The result shows that a UWB signal may distort while propagating in a rectangular waveguide, and the longer the distance, the greater the distortion.
由于超宽带脉冲信号的极窄特性，室内密集多径信道将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.
本文重点介绍了一种通过对多个雷达子带信号进行处理，得到一个等效超宽带信号的算法。
This paper focus on the algorithm which can obtain equivalent ultra wide band signal by coherently combining multi-subbands measurements.
在研究匹配滤波和重采样原理的基础上，利用频带分割和多通道综合技术实现超宽带信号的脉冲压缩。
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.
超宽带信号接收技术是高码率接收系统的关键技术之一，正交接收机是实现超宽带信号接收的典型方案。
The receive technology of Ultra-Wide Band (UWB) signal is one of the key technologies of high-speed receiver. Quadrature receiver is typical scheme in high- speed receiver.
本发明的一个实施例传输占用未被目标有线介质中存在的其他电磁信号使用的无线电频率的超宽带信号。
One embodiment of the present invention transmits ultra-wideband signals that occupy radio frequencies that are not used by other electromagnetic signals present in a wire medium of interest.
首先介绍并比较分析超宽带信号的波形、调制方式和接收机信号处理方法，讨论了超宽带窄脉冲的产生方法。
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.
仿真和实验结果表明，该文算法能够准确地重建原始超宽带信号，且算法性能优于现有的零化滤波重建算法。
Simulation and experiment results show that the UWB signals can be accurately reconstructed, and the proposed methods outperform annihilating filter method in the presence of noise.
自超宽带（UWB）技术被提出以来，由于超宽带信号独特的传播特性，超宽带技术有了越来越广泛的应用。
Since the ultra-wide band (UWB) technology has been introduced, it has become more and more widely used due to the unique characteristics of the ultra-wideband signal propagation.
本发明提供了用于通过有线介质创建(315)、传输(350)并接收超宽带信号(360)的方法和装置。
The invention provides methods and apparatus for creating (315), transmitting (350) and receiving ultra wideband signals (360) through wire media are presented.
在对高斯脉冲波形的时域和频域特性进行分析的基础上，采用直接序列扩频方式，进行脉幅调制产生超宽带信号。
Based on the characteristics analysis of the Gauss impulse in time and frequency domains, we generate the UWB signal by 2pam-ds modulation.
为了达到这一目的，最常见的做法是提高发射信号的带宽，但是超宽带信号的产生和处理会带来很大的硬件压力。
Improving bandwidth is the most usual approach to achieve the goal, but this method often brings more difficults to the accomplishment in hardware.
超宽带信号的数字化在很大程度上取决于采样时刻的准确性，因此是否具有高精度的可编程定时器是实现超宽带信号数据采集的关键。
UWB signal digitization depends, to a large extent, on the accuracy of sampling time. A high - accuracy programmable timer is therefore the key to implementing UWB signal data acquisition.
接着论文具体分析和推导了几种典型的超宽带信号的时域表达式及其功率谱密度，PPM-TH-UWB信号、PAM-TH-UWB信号和PAM-DS-UWB信号都是本文研究的对象。
The paper analyses and deduces the temporal expression and PSD of multiplicate typical UWB signal. PPM-TH-UWB and PAM-DS-UWB are the object in the research of paper.
接着论文具体分析和推导了几种典型的超宽带信号的时域表达式及其功率谱密度，PPM-TH-UWB信号、PAM-TH-UWB信号和PAM-DS-UWB信号都是本文研究的对象。
The paper analyses and deduces the temporal expression and PSD of multiplicate typical UWB signal. PPM-TH-UWB and PAM-DS-UWB are the object in the research of paper.
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