求翻译：由于频段共享会造成潜在的干扰。有许多因素对UWB系统与其他窄带系统的共存有影响，包括UWB系统中器件之间的隔离，信道传播的损耗，调制技术，脉冲重复频率，接收天线的增益。例如，一个UWB以脉冲重复频率发送未调制的脉冲时，会在频域产生以PRF重复出现的峰值。加入幅度调制后，UWB信号经过扩频后更为平坦。结果，UWB发射机产生的干扰类似宽带干扰，它对窄带接收机的背景噪声有影响。UWB系统中需要考虑两方面的问题：一是要求UWB进行低功率发射，这使得UWB有很高的功效比和能低成本实现，可以省电，也限制了UWB通信的距离；二是UWB系统可能受其他窄带无线通信设备的干扰。是什么意思？

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The band will be shared by the potential for interference. There are many factors to UWB system with that of other narrow-band systems coexist UWB influences, including the system of segregation between devices, the channel of loss, modulation techniques, the pulse repetition frequency, the receivin

As the band shares will cause potential interference. There are many factors that had an impact on UWB systems coexist with other narrow-band system, including isolation between UWB devices in the system, the channel transmission losses, modulation, pulse repetition frequency and receiving antenna g