This dissertation analyses the system of the ideal software radio and the processing ability of digital signal processors, provides the realization of software radio system in recent years, that is, based on the commonly used hardware platform, software programmable and configurable, if digital system, and declares the popular digital technologies in software radio which can be used in this if digital system 本文在分析了理想軟件無線電系統(tǒng)和當(dāng)前數(shù)字信號處理器的運算能力后,提出了現(xiàn)階段可實現(xiàn)的軟件無線電系統(tǒng),即建立在標(biāo)準(zhǔn)化模塊化的通用硬件平臺上的軟件可編程可再配置軟件無線電中頻數(shù)字化系統(tǒng),并對這個系統(tǒng)上可實現(xiàn)的軟件無線電通用數(shù)字技術(shù)作了介紹。