What’s ITF: ITF stands for Interconnect Technology File. It contains a description of the process cross-section and connectivity section. It describes the thicknesses and physical attributes of the conductor and dielectric layers. It used to extract RC value for the chip. It can be used to ...
转载: http://blog.csdn.net/DSP_Fan/archive/2010/04/19/5502652.aspx CIC分析得很透彻 References: Understanding cascaded integrator-comb filters – By Richard Lyons, Courtesy of Embedded Systems Programming URL: http://www.us.design-reuse.com/articles/article10 ...
称为移动平滑滤波器,就是每个输出数据是平均多个输入而得,从而实现低通滤波功能。 其频率响应为H(f) = 1/M*(1+z^(-1)+...+z^(-M-1)) 化简可得:H(f) = 1/M*(sin(pi *f / fs *M) / sin(pi *f / fs )) 详细的频谱特性可以用Matlab进行分析: % Moving Average filter N = 11; %延时 xn = sin(2*pi* ); ...
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