设定噪声为高斯白噪声，对2ASK、2FSK、2PSK、2DPSK等各种调制方式及相应的主要解调方式下（分相干与非相干）的误码率进行统计，并与理论值进行比较，以图形方式表示误码率与信噪比间的关系。-Set the noise is Gaussian white noise, right 2ASK, 2FSK, 2PSK, 2DPSK a variety of modulation and corresponding demodulation mode, the main (sub-coherent

用Matlab对通信系统中的ask,psk,fsk,dpsk等等调制解调方式做了仿真，并计算作图比较其误码率。-Communication systems using Matlab on the ask, psk, fsk, dpsk etc. modem to the way the simulation, and calculated to compare the bit error rate mapping.

Curves of ask,psk,fsk and dpsk-Curves of ask,psk,fsk and dpsk....

通信原理中的数字调制方式与解调，包括了最常用的ask,psk,fsk的调制以及多种解调方式-the modulation and demodulation demo of ask, fsk ,dpsk and psk