| 1. | It belongs to multi - carriers modulating technology , and its most remarkable character is the high - speed transmitting ability as well as the excellent resistibility to interface of signal interval and decline of channel selectivity 它属于多载波调制技术,其最大的特点是传输速率高,对码间干扰和信道选择性衰落具有很强的抵抗能力。 |