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中文摘要：
本文首次提出基于开关电流技术的小波滤波器的设计与实现。小波滤波器在模拟VLSI小波变换的实现中起着关键的作用，Padé逼近是一种有效的有理逼近。采用高斯函数一阶导数作为基本小波，用Padé变换获得其有理分式逼近，利用开关电流技术实现小波滤波器可获得小波变换所需的基本小波及其膨胀小波。仿真结果验证了小波滤波器的良好特性。
英文摘要：
The design and implementation of wavelet filter using switching current （SI） circuit are presented the first time. Wavelet filter plays a key role in simulating the implementation of VLSI wavelet transform. Padé approximation is an effective rational approximation. Using the first derivative of Gaussian function as basic wavelet, Pad conversion is used to obtain its rational fraction approximation. Switching current technique is used to realize the wavelet filter, so that the basic wavelet and its dilation required by wavelet conversion are obtained. Simulation results indicate that the wavelet filter has good performance.
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