每一种信号越有特异性，那么所能传送的信息就越多。
The more specific each signal is, the more information they can impart.
文中给出了AOFDM中的平均每个子载波上一个符号能传送的比特数及误比特率与调制方式切换门限之间的函数关系式。
The close forms of the number of bits that per-sub-carrier-symbol can transmit and the Bit-Error-Probability (ber) are given as the functions of the switching thresholds.
一条信息容易就能传送到几英里外，而步行同样的距离可能需要一个小时。
A message can easily be whistled over a couple of miles, while to travel that same distance on foot might take an hour.
应用推荐