【摘要】采用’()*(+ 通信仿真软件对应用于无线信道中的,-./，0-./，01(’ 的数字通

信方式和主要通信过程的实际情况进行计算机模拟仿真。主要通信过程为抽样、量化、编码、调制解

调、纠错编码等，并给出了几种调制解调的主要特性，为建立实际通信系统提供了基本的依据。

【关键词】移相键控（-./）；正交幅度调制（1(’）；脉码调制（-2’）-【Abstract】 ()*(+ communication simulation software used in wireless channel in ,-./, 0-. /, 01 (　the number of pass

Letter mode and the actual situation of the main communication process by computer simulation. Main communication process as sampling, quantization, coding, modulation solution

Transfer, error correction coding, etc., and gives the main features of several modulation and demodulation, in order to establish the actual communications system provides the basic basis.

Key words (-./)　phase shift keying quadrature amplitude modulation (1 (　)　pulse code modulation (-2 )