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利用BLACKMANHARRIS窗口设计一个频率采样型FIR滤波器，对一段含噪音的音乐信号进行滤波去噪处理并根据滤波前后的波形和频谱分析滤波性能。(design a frequency-sampling FIR filter utilizing BLACKMANHARRIS window to filter and de-noise some of the music signal,and analysis filtering performance based on waveform and spectral before and after filtering.)

QC LDPC编码解码仿真程序。方便学习使用(QC LDPC codec simulation program. Easy to learn to use)

Use Metropolis procedure to sample from Cauchy density

说明：  短时频分析,程序中通过加窗截取信号，分析其时频关系(short time-freqence analysis)

四旋翼飞行器 圆点博士程序结合mpu6050(Four-rotor aircraft program combines mpu6050 Dr. Dot)

calculate the gradient of an image

FDTD.m 程序包括程序相关变量的定义，网格的尺寸的划分，激励源的设置及基于FDTD的圆柱谐振腔迭代分析。其中通过改变空间离散度dr和采样点个数nmax，进行分析得出结论；且空间步长dt与dr有关，可得出空间步长对结果影响。(FDTD.m program includes the definition of program-related variables, set the meshing of size, the excitation source and the FDTD-based iterative analysis of cylindrical cavity. By changing the space in which the number of discrete sampling points of the dr and nmax, the conclusions drawn the analysis and space step dt and dr related space step can be drawn the impact on the results.)

bpsk and qpsk in matlab

单相光伏逆变器完整的仿真模型，大家可以交流(Single-phase PV inverter complete simulation model, we can exchange)

lmi求解控制增益程序，希望对大家有帮助(lmi procedures for solving control gain, we hope to help)