The line code is an efficient way to make the baseband digital signal have some massage about the bit synchronization 经过线路编码,可以使基带信号含有定时信息,解决了通信中的位同步。
This paper investigates the problems about the base - band signal shaping and the multi - rate signal processing of the radio - frequency signal 本文对基带信号的成形和射频信号的多速率处理进行了研究。
In this process , it is costas that transforms medium signal loaded with data information to baseband signal deprived of carrier 其中,将带有数据信息的中频信号变为除去载波的基带信号由科思塔斯环( costas )完成。
Also designed this part of correspondences procedure process and procedure codes . the thesis takes a simple introduction about the data transmission on base band 论文对数据基带传输编码做了简单介绍,阐述了数字基带信号的码型选择的原则。
This paper designed a programmable base band signal generator of variable bandwidth based on the combination of fpga and dss using large - seale integrated circuits 利用大规模的集成电路技术,基于fpga和dss相结合,设计一种带宽可转换的,具有可编程的基带信号产生器。