在超宽带无线电通信中，跳时技术起着至关重要的作用。
In the UWB wireless communication system, time-hopping technique plays a key role.
基于窄脉冲串的超宽带无线电系统是一种典型的超宽带实现方式。
The UWB system based on narrow pulses train is a typical UWB system.
首次研究白高斯噪声（AWGN）信道下超宽带无线电通信系统中单个数据包单元发射信号能量的优化。
In this paper, the optimization of the transmitted signal energy for a data packet unit in UWB radio communications in additive white Gaussian noise(AWGN) channel is firstly investigated.
超宽带冲激无线电技术是近年来新兴的通信技术，其主要核心技术是采用了冲激脉冲技术和跳时码调制。
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.
第二章在分析应用软件无线电技术优势的基础上，提出了一种全数字化超宽带接收器的设计方案。
In the second chapter, at the foundation of analysis of the application software wireless technology's advantage, a plan of all digital Ultra-Wideband receiver is brought forward.
实验表明：无线电引信在超宽带电磁脉冲照射下，会产生早炸现象。
The experiments show that radio fuse may explode early when UWB EMP irradiate it.
分析了超宽带冲激无线电的脉位调制、通断键控调制和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).
通过超宽带电磁脉冲对无线电引信的辐照实验，研究了无线电引信在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.
近年来，超宽带脉冲无线电UWB-IR传输技术以低功耗、高速率、低检测率和低截获率等特点受到军事通信领域的关注。
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.
与基带uwb无线电相比，多带OFDM超宽带系统在短距离无线通信中得到了广泛的认可。
Compared to baseband UWB radios, the MultiBand OFDM ultra-wide band system has obtained widespread approval in short-range wireless links.
提出了一种基于认知无线电的自适应超宽带(uwb)窄带干扰抑制方法。
A novel adaptive ultrawideband (UWB) narrowband interference suppression method is presented based on cognitive radio (CR) theory.
最后以超宽带认知无线电组成的室内无线个域网为例，给出了平面和空间两种认知场景，并对这两种认知场景进行仿真分析。
Finally, based on an indoor wireless personal area network composed by UWB-CR, the two-dimensional and three-dimensional working scenarios are given respectively, and are simulated and analyzed.
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.
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.
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