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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题。
(In signal processing, signal emission, signal through the carrier, in the form of electromagnetic wave modulation, launched
In the receiver, rf signals through the antenna, specialized superheterodyne type means such as processing, the frequency conversion to intermediate frequency
Then through digital technology of intermediate frequency signal processing, at this time of intermediate frequency signal sampling rate is very high, as many as several decades MHZ
But the signal demodulation out is very small, at this time would be passing filter to get what we need signal
If design directly filter, order number be colossal, software, hardware equipment all suffer
Therefore, the technology is usually used for down-transducer processing, its main technical is by extracting filtering down-transducer
Commonly used filter is CIC extraction, the hope can help some friends solve basic problems of the altar.)
- 2011-01-16 21:57:08下载
- 积分：1
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1212221
说明： 《MATLAB7.0_Simulink6.0建模仿真开发与高级工程应用》书中程序("MATLAB7.0_Simulink6.0 Modeling and Simulation Development and Engineering Application" book procedure)
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基于MATLAB的一种新的免疫算法的事项方式，程序简单实用，没有冗余。(a new algorithm for immunization practices, procedures simple and practical, without redundancy.)
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ImagefusionToolbox of MATLAB
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Network Powers 3 Phases
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说明： 基于MATLAB的数学图形制作
过具体实例研究MATLAB绘制二维图形和三维图形的plot、ezplot、mesh、surf、ezmesh、ezsurf、
plot3等几个作图函数，说明它们的使用方法和技巧。(MATLAB-based graphical mathematical study of the production of any specific examples of MATLAB graphics drawing two-dimensional and three-dimensional graphics plot, ezplot, mesh, surf, ezmesh, ezsurf, plot3 several mapping functions, the use of their methods and techniques.)
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