Coexistence and compatibility was an important issue needed to be considered in ultra-wideband (UWB) impulse radio communications.
频谱共存及兼容是超宽带(uwb)无线通信系统必须考虑的重要问题。
This is used to assess the accuracy of the Gaussian approximation commonly used in the performance analysis of UWB impulse radio networks.
通过概率的表达式来评定类高斯噪声的准确性，从而可以对超宽带脉冲无线电网络的类高斯噪声性能进行分析。
The orthogonal analog phase lock loop is used to get the timing information of the impulse radio system and the multi-path component separation.
使用正交模拟锁相环路对无载波的脉冲无线电系统实现多径捕获和同步提取。
In dense multipath environments, IR-UWB (impulse Radio-Ultra Wideband) signals suffer from severe time dispersion which distorts the impulse wave.
脉冲超宽带(IR - UWB)信号在密集多径环境中存在严重的时间弥散，会产生波形失真。
The Hilbert-Huang Transform(HHT) methods is used to extract the weak impulse radio signal from interferential and noisy environment in this paper.
本文提出采用希尔波特-黄变换（HHT）方法从干扰和噪声中提取微弱的冲击无线电信号。
The structure of receiver in typical modulation Impulse Radio Ultra Wide Band (IR-UWB) is discussed, and the best IR-UWB receiver on AWGN cannels is given.
在分析AWGN信道特性的基础上，通过研究典型调制方式下的超宽带冲激无线电信号(IR -UWB)的接收机结构，找到了一种IR - UWB最佳接收机。
The pulse interleaving technology is adopted to make the transmitter or receiver synchronize with the transmission and the reception of the impulse radio signal pulses.
采用脉冲交错技术使发射机或接收机能同步于收发冲激无线电信号脉冲。
Finally, several valuable research directions are put forward, such as seeking a new wireless communications theory adapted to analyze nonsinusoidal UWB impulse radio, etc.
最后提出几个值得探索的研究方向，如：寻求一种新的适合分析非正弦窄脉冲的UWB系统的无线通信理论等。
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.
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 principle of impulse radio (IR), several kinds of pulse generators, pulse modulation and signal emission for UWB radio, as well as characteristics of UWB-IR are mainly presented and concluded.
重点分析了脉冲无线电方式的原理，脉冲的几种产生方法，调制、发射以及脉冲信号的技术特点。
The operation principle of marine navigation radar is deeply analyzed in this project, including the basic principle of radio, impulse radar and radio-range orientation.
本课题详细分析了船舶导航雷达的工作原理，包括电磁波工作特性、脉冲雷达基本原理以及雷达定位的工作原理。
I am not sure how much they charge for the patented radio frequency ablation catheter that they use in the renal vessels and the impulse generator.
我不知道医院如何收取肾血管手术和脉冲发生器中使用的特殊射频消融导管的费用。
I am not sure how much they charge for the patented radio frequency ablation catheter that they use in the renal vessels and the impulse generator.
我不知道医院如何收取肾血管手术和脉冲发生器中使用的特殊射频消融导管的费用。
应用推荐