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.
UWB主要应用于密集多径室内信道中，多径干扰是系统的主要干扰来源之一。
Since UWB system generally operates in dense multipath indoor channel, multipath interference becomes one of the main interferences affecting system performance.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
利用符号或帧速率来进行同步捕获，导出了与信道振幅无关的密集多径下同步捕获的广义似然比率测试(GLRT)，来估计出现在符号位的有效信号增益。
Timing acquisition is realized in symbol and frame rate and GLRT is derived under dense multipath channel, which is unrelated to the amplitude of the channel.
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