多级抽取程序,适用于软件无线电系统，matlab编写，验证！希望对大家有用。-Multi-stage extraction procedure, applied to software radio systems, matlab prepared to verify! Hope useful for everyone.

数字下变频（DDC）在如今基于软件无线电的架构中对系统的整体性能决定性的影响，代码为基于Matlab的4通道DDC程序，程序中可以根据需要调节滤波器等参数评估DDC的性能对于使用FPGA实现DDC有较大的参考价值-Digital down conversion (DDC) in today' s architecture based on software radio system a decisive impact on the overall performance of the code

Implementation of SDR on FPGA.