...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 ...
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CIC滤波器是级联积分梳状滤波器(Cascaded Integrator-Comb Filter)的简称，其基本构成单元是积分器和梳状滤波器。经过若干级级联后可实现采样率整数倍的抽取和内插，在接收机的设计中，主要采用CI...
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数字锁相放大器的实现研究 - 模拟设计 - 优领域 - 在优领域，找到您想要的！ 关键词：锁相放大器；采样率；积分梳状滤波器；降采样 [gap=824]Keywords：digital lock-in amplifier；sample frequency；CIC；decimation
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因此在借鉴高速音频ADC的基础上,采用高效积分梳状滤波器(cascade integrator comb,CIC),将其作为地震勘探中多级滤波器的第一级来实现较高的抽取率,为后续FIR滤波器奠定基础。
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级联积分梳状滤波器 CIC filters ; cascade integrator comb
和级联积分梳状滤波器 Cascaded Integrator-Comb Filter ; CICF
The signal after mixed passes two cascaded integrator comb filters which decimated multiple can been changed, compensation filter, half-band filter and two decimators, and channel shape filter at last. Local oscillaotor is implemented by direct digital frequency synthesis.
混频后的信号依次经过两级抽取倍数可变的积分梳状滤波器,补偿器,半带滤波器,二倍抽取器,最后经过可编程FIR滤波器。
参考来源 - 基于FPGA的数字下变频器的设计·2,447,543篇论文数据，部分数据来源于NoteExpress
将可编程抽取、插值器与多级积分梳状滤波器（CIC）相配合，实现高效数字抽取和插值模块。
A programmable decimation and interpolation ratio module onnected with multistage cascade integrator comb (CIC) filter is designed to implement high efficient decimator and interpolator.
研究了高倍抽取的数字下变频设计，重点分析了基于级联积分梳状滤波器、级联补偿滤波器、级联根升余弦滤波器的多级抽样频率算法。
In this paper, the high decimation ratio of digital down converter is studied and the multi-stage decimation algorithm is especially analyzed based on CIC filter, CFIR filter and RRC filter.
分析了级联积分梳状（CIC）滤波器的结构，证明其可以高效地胜任抽取滤波的任务。
The structure of Cascaded Integrator Comb (CIC) filter is discussed. CIC filter can efficiently perform the task of both decimating and filtering.
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