| 1. | Secondly , the paper perform a review of the most common modulation methods used in such systems , including ook , ppm , overlapping - ppm , a hybrid modulation scheme called appm
其次，本文对常用的几种调制解调方式进行了研究。包括ook 、 ppm 、交叠调制oppm 、混和调制方案appm ，得到了关于符号误码率和信道容量的表达式。 |
