时间脉冲位置调制(PPM)技术在超宽带无线数字通信领域得到了广泛应用。
The pulse position modulation (PPM) technique is widely used in the field of ultra-wideband wireless digital communication.
在宽带无线数字通信系统中，影响信息高速传输的最主要的一类干扰是由信道的多径效应所引起的频率选择性衰落。
The bandwidth efficiency and ability to combat the effects of frequency selective channels are critical issues in the design of wideband wireless digital communications system.
红外无线数字通信技术与其它无线通信方式相比有宽带、高速、安全性高等特点。
Compared with other wireless communication technologies, it features wide bandwidth, high speed and security.
无线at M网络是宽带综合业务数字通信网在无线领域的自然延伸，无线at M网络是未来各行业通信所必需的。
Wireless ATM networks extend broad band integrate service digital networks into wireless area, it is necessary for all level services in the future.
无线at M网络是宽带综合业务数字通信网在无线领域的自然延伸，无线at M网络是未来各行业通信所必需的。
Wireless ATM networks extend broad band integrate service digital networks into wireless area, it is necessary for all level services in the future.
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