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CICFilter
- 文章运用分级抽取和多相滤波的方法改进传统CIC滤波器的结构,降低了系统工作频率,运用幅度改进函数(ACF)和外加级联余弦预滤波器的技术改进了滤波器频率响应,提出了一种高效的算法结构,改善了通带损耗,增大了阻带衰减,对CIC滤波器的实际应用和深入研究有着现实意义。
ciccomp
- CIC滤波器的补偿,适用于抽取内插滤波器的设计,写昂对大家有用-CIC compensation filter, applied to extract the design of interpolation filters, write Aung useful for everyone
CIC
- 关于一个滤波器的程序,三级CIC抽取的源程序。-On a filter process, the three-tier CIC samples of the source.
cic3_decimator
- 积分梳状滤波器,CIC设计,三级CIC抽取器实例:cic3_decimator.V module cic3_decimator(clk, x_in, y_out)-cic
cic
- 当前工程上广泛采用了一种高效滤波器,即CIC(cascaded integrator-comb filter)将其作为第一级来实现抽取、低通滤波。第二级再用一个普通的FIR滤波器就实现使后端设备工作在较低的频率下且硬件花销少、功耗也很低。-Widely used in the current project, a highly efficient filter, that is, CIC (cascaded integrator-comb filter) as the first level t
cic_examp
- 对一个采样频率为45.5MHz的信号进行14倍的抽取滤波,同时进行补偿滤波器的设计,并给出CIC滤波器、补偿滤波器和级联后的频谱图 - Design a minimum-order CIC compensator that compensates... for the droop in the passband for the CIC decimator.
Frequency_domain_sample_stop
- freqz对一个采样频率为45.5MHz的信号进行14倍的抽取滤波,同时进行补偿滤波器的设计,并给出CIC滤波器、补偿滤波器和级联后的频谱图 - for the droop in the passband for the CIC decimator.Design a minimum-order CIC compensator that compensates... .
cic
- 在信号处理中,信号发射时,信号通过载波,调制,以电磁波的形式发射出来 在接收端,射频信号通过天线接收,超外差式等方式进行处理,变频到中频 然后通过数字技术对中频信号进行处理,此时的中频信号采样率很高,多达几十兆赫 而要解调出来的信号很小,此时就要经过滤波来得到我们需要的信号 如果直接设计滤波器,阶数会非常庞大,软件,硬件设备都承受不了 因此,一般常用的技术是进行下变频处理,其主要技术就是通过抽取滤波进行下变频 常用的滤波器就是CIC抽取, 希望可以帮助一些坛友解决基本的问
Untitled8
- 数字下变频技术是数字接收机的核心技术之一,它包括数字混频正交变换、抽取及高效率数字滤波等。-Digital down conversion technology is one of the core technology of digital receiver, which includes digital mixer orthogonal transformation, extraction and high-efficiency filtering.
ciccomp
- 本代码可以实现CIC的抽取滤波功能,性能很好-This code implements the CIC decimation function, performance is very good
polyphase_filter
- 结合具体应用,以2倍抽取为例,简要分析了多相滤波的基本原理及具体实现方法,并附带了matlab代码,从实验结果可以看出多相滤波可以实现与传统FIR滤波相同的功能。-Combine concrete application, take 200 extracts as an example, the synopsis analyzes the radical principle that the polyphase filters and concretely carries out a meth
adi_duc_core
- DDC的处理,描述从ADC采集数据后信号的下变频处理.主要是信号滤波和抽取-digital handle
Digital_IF_receiver
- 关于数字中频接收机的MATLAB仿真代码,下变频采用cordic算法,并经过三级抽取、滤波处理。调试通过可运行-This code is about digital IF receiver on MATLAB simulation.downconvert using cordic algorithm, and after three extraction, filtering process. You can run debugging
半带滤波器插值抽取
- 使用半带滤波器实现多速率信号处理详细MATLAB代码(The use of half band filter to achieve multi rate signal processing, detailed MATLAB code)
wuxian
- 设计的抽取内插系统,利用多相滤波结构,先3倍抽取,在8倍内插,比较采用多相滤波和不采用多相滤波方法的区别(The designed decimation interpolation system uses a polyphase filtering structure, first 3 times decimation, and interpolation within 8 times, and compares the difference between polyphase filterin