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0519396采用最小均方算法的自适应横向滤波器[刊,中]/赵世武//合肥工业大学学报(自然科学版).—2005,28(4).—411-413(C2)文章首先简单介绍了 LMS 算法和采用此算法的系统结构图,随后分别给出了 MATLAB 和SIMULINK 的具体实现及其运行结果,最后针对迭代步长对系统性能的影响情况进行简明的讨论。结果证明,采用 LMS 算法得出的结果与准确值的偏差在工程上完全可以接受,并且算法容易实现。参80519397一种新的带通 Sigma-Delta 调制器的设计[刊,中]/程剑平//应用科学学报.—2005,23(3).—251-256(C2)设计了一种带宽为1.25MHz,中心频率为20Mhz的带通 Sigma-Delta 调制器,提出了一种新的结构及其系数的计算方法,该结构的性能受系数变化的影响较小,其谐振器的输出摆幅也较小,因而降低了运算放大器的设计要求。模拟结果表明:考虑各种非理想因素后,调制器的动态范围(DR)为60dB。参12
Journal of Hefei University of Technology (Natural Science Edition).-2005,28 (4) .- 411-413 (C2) The article first briefly introduces the adaptive transverse filter using the least mean square algorithm LMS algorithm and the system structure diagram using this algorithm are given, and then the concrete realization of MATLAB and SIMULINK and their operation results are given respectively. Finally, the influence of the iteration step on the system performance is briefly discussed. The result proves that the deviation of the result and the exact value obtained by the LMS algorithm is completely acceptable in engineering and the algorithm is easy to implement. Design of a New Bandpass Sigma-Delta Modulator [J] .Analysis of the Design of a Bandpass Sigma-Delta Modulator. Chinese Journal of Applied Science. 2005 -03 (3) MHz and a band-pass Sigma-Delta modulator with a center frequency of 20Mhz, a new structure and method for calculating the coefficients are proposed. The performance of the structure is less affected by the variation of the coefficients, and the output swing of the resonator is also smaller Small, thus reducing the operational amplifier design requirements. The simulation results show that the modulator has a dynamic range (DR) of 60dB after considering various non-ideal factors. Participation 12