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modulationshaped
- 基带数字信号通过成形滤波(选用升余弦滚降函数)然后进行载波调制
FIR.rar
- 用窗函数法设计FIR 数字滤波器 能产生矩型窗、升余弦窗、改进升余弦窗和二阶升余弦窗的窗函数子程序,Window function method using FIR digital filter designed to produce the window rectangle, raised cosine window, improving the second order raised cosine window and the window raised cosine window fun
rcosdomo
- 采用窗函数法设计一个可实现的数字FIR升余弦脉冲成形滤波器xtuanna-Use of window functions can be implemented to design a digital FIR raised cosine pulse shaping filter .xtuanna
root_raise_cos
- matlab代码,根升余弦滤波器对数字基带信号进行成型滤波,匹配滤波-Matlab code, the root raised cosine filter on the digital baseband signal shaping filter, matched filter
eye_matlab
- 眼图用于测试数字传输信道质量。由于传输过程中的频带限制,噪声的叠加使得1和0的差别变小。在接收机的判决点,将“1”和“0”的差别用眼图上“眼睛”张开的大小来表示,十分形象、直观和实用。 首先产生一个二进制随机方波序列,通过升余弦滤波器滤波后,方波的高频成分滤掉后绘出的眼图。在程序中形成在Workspace中的数据变量D。通过指令sim(‘eye’)将工作空间的数据D馈送到眼图仪EyeDiagram,得到眼图仪显示的眼图(右图)。-Eye for testing the quality of
filter-square
- 基于数字滤波平方率的符号定时恢复算法。输入参数:RtfSig过采样的待恢复信号,信号中的N符号总数,dS升采样率,N_T升余弦滚降滤波器系数-A timing recovery algorithm based on the sign of the digital filtering of the square. Input parameters: RtfSig be over-sampled signal recovery, the total number of N-symbol signal