升余弦滚降系统的眼图和功率谱，滚降系数为0.5.发送码元取值为0、2.-Raised Cosine the eye and power spectrum, roll-off factor of 0.5. This code value for 0,2 billion.

最佳升余弦滚降系统的多径传输. 滚降系数0.5, 取样时间无偏差.-best Raised Cosine system multipath transmission. Roll-off coefficient of 0.5, sampling time without deviation.

在matlab环境下实现通信系统中的BPSK，QPSK，16QAM，调制。成型滤波和匹配滤波都采用根升余弦函数。-In the matlab environment to achieve communication system BPSK, QPSK, 16QAM, modulation. Shaping filter and matched filter are used root raised cosine function.

滚降系数为0.5的升余弦滚降系统的时域波形，二进制序列经过滚降系统后输出，画出输出端信号的时域波形和眼图。-Roll-off factor of 0.5 Raised Cosine system in time domain waveforms, binary sequence through the roll-off system after the output, draw the time-domain output signal waveform and eye diagram.