提出了一种基于多相滤波的宽带数字下变频技术。
This paper proposes a technique of wideband digital down-convert based on polyphase filtering.
分析了基于多相滤波结构的宽带侦察接收机中频数字信号下变频处理方法。
This paper analyzes the digital down conversion (DDC) of wideband reconnaissance receiver IF digital signal based on polyphase filtering.
数字下变频技术的基本功能是将宽带高速数据流信号转变成窄带低速数据流信号，以便DS P实时处理。
The basic function of digital down-conversion technology is to transfer wideband high speed data signals into narrowband low speed data signals, so that DSP can process them in real time.
在宽带数字接收机中，高速数据流的实时处理对后继数字下变频器性能提出了极为苛刻的要求。
The real time processing of high speed data flow makes strict demands on the performance of descendant digital down converter in the wideband digital receiver.
在宽带数字接收机中，高速数据流的实时处理对后继数字下变频器性能提出了极为苛刻的要求。
The real time processing of high speed data flow makes strict demands on the performance of descendant digital down converter in the wideband digital receiver.
应用推荐