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设计抗混叠FIR滤波器实现数字下变频的设计(Design of anti-aliasing FIR filter design for digital down conversion)

本文介绍了基于MATLAB软件在《信号与系统》课程教学中的仿真实验,通过抽样信号的表征、周期方波信号的傅立叶级数分解与合成、余弦信号的相加与相乘、RLC带通滤波器的频率特性等仿真实验,说明了将MATLAB应用于教学实践中的重要作用和意义。(This article describes the MATLAB-based software in the " Signals and Systems" course teaching simulation, by sampling the signal characterization, cycle square wave signal of the Fourier series decomposition and synthesis, and the sum of cosine signal is multiplied, RLC bandpass filter the frequency characteristics simulation, MATLAB used to illustrate the important role of teaching practice and significance.)

利用最小二乘法的原理高精度估计正弦波信号的幅值，频率和初相(The principle of using the least squares method estimated sine wave signal amplitude, frequency and initial phase of high-precision)

使用matlab软件实现鲁棒控制技术，对电力系统中电频率控制能很好的实现(Using matlab software robust control technology, electric power system frequency control can achieve good)

qdpsk调制，含子程序，qdpsk调制(qdpsk prepared, containing subroutine)

差值拟合 matlab程序 选修课的一个题目(I love you)

对机械振动信号的预处理，以及滤波，频域变换等(The pretreatment of the mechanical vibration signal, and filtering, frequency domain transform, etc.)

LTE中最经常用到的调度算法，轮询算法，主要体现了公平性(LTE scheduling algorithm is the most frequently used, polling algorithm, mainly reflecting the fairness)

extreme learning machine 例子 run segment_mean(extreme learning machine examples run segment_mean)

数字信号处理中自适应滤波的实现，简单实用(Digital signal processing in the realization of adaptive filtering, simple and practical)