所以设计的跳时序列的相关性能优劣会直接影响到整个超宽带无线通信系统的好坏。
Therefore, the time-hopping sequences 'properties of the pros and cons directly affect the entire ultra-wideband wireless communication systems.
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.
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.
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.
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