...数字下变频；带通采样；积分梳状滤波器；半带滤波器；fir滤波器 [gap=736]keywords: digital down converter;band-pass sampling;cic filter;hb filter;fir filter ...
基于44个网页-相关网页
Simulation indicates: Using band-pass sampling is right in digitalizing IF signal; it is necessary to use special chip to process IF digital signal; At the same time, it is feasible to process base-band low speed signal(AM,FM etc. ) by software.
仿真表明：中频数字化技术，使用带通采样方案是恰当的；现阶段对中频采样信号使用专用芯片作降速率处理是必然选择；同时，对基带低速率信号(如AM、FM、BPSK信号)作全数字化软件处理是切实可行的。
参考来源 - 中频数字接收机设计与实现A design of high-speed data acquisition system based on band-pass sampling was presented and applied to the signal processing of wideband receiver.
文章以宽带侦察接收机信号处理为应用背景,论述了一种基于带通采样的高速数据采集系统的设计方案。
参考来源 - 基于带通采样的高速数据采集系统设计·2,447,543篇论文数据，部分数据来源于NoteExpress
Selection of band-pass sampling rate is a key problem of the software radio technology.
带通采样速率选取是软件无线电技术的关键问题之一。
For the bands which have half band positions, an optimized scheme is put forward to select the band-pass sampling rates.
对于半整数带位的情况，文中给出了采样速率的选取及种类个数优化策略。
The non-ideal characteristic of intermediate frequency signal is unfavorable for band-pass sampling and affects the performance of quadrature transform.
研究用一种中频采样和数字信号正交变换理论实现脉冲多普勒雷达信号正交采样的新技术。
应用推荐