The lifetime is a critical parameter for time hopping ultra wide band(TH-UWB) wireless sensor networks.
生存期是跳时超宽带无线传感网的一个关键参数。
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 performance of time hopping pulse position modulation (TH-PPM) UWB system using this wavelet monocycle was studied under additive white Gaussian noise (AWGN) channel.
同时还研究了在加性高斯白噪声(AWGN)信道中，跳时扩频脉位调制(TH PPM)的UWB系统中使用该窄脉冲的系统性能。
On the basis of an introduction of TH-PPM UWB communication system, this paper advances a parallel detection receiver scheme.
在介绍一种基于TH - PPM调制方式的超宽带通信系统的基础上，深入讨论了一种并行检测接收机方案并分析了其工作原理。
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别，然后建立了TH -IR和DS - IR超宽带系统的仿真模型，得到两种IR系统在多种干扰条件下的误码率性能。
The difference between UWB and the traditional direct sequence spread spectrum technology was analyzed, and the simulation models of TH-IR and DS-IR systems were installed.
首先分析了超宽带技术与传统的直接序列扩频技术的区别，然后建立了TH -IR和DS - IR超宽带系统的仿真模型，得到两种IR系统在多种干扰条件下的误码率性能。
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