dsk04

利用改进的小生境遗传算法来编程，适合对这方面感兴趣的人员研究(The use of improved niche genetic algorithm is used to programming, suitable for persons interested in research in this area)

一份英文的讲义，讲述了在多径条件下多普勒频移对无线通信的影响。并对各种条件用MATLAB进行了仿真。(An English lecture, described the conditions in the multi-path Doppler frequency shift of the impact of wireless communications. Various conditions and conducted a simulation using MATLAB.)

computes and plots a number of asset paths

设计一个8阶以内的带通滤波器，通带截止频率fc1=30070HZ，fc2=32170HZ，通带内允许最大衰减0.2dB。设计满足要求的Butterworth滤波器和chebyshev滤波器。以RC运放为基本单元以最易实现的原则完成电路设计及参数选择，并根据设计参数进行幅频特性和相频特性的仿真，给出仿真曲线。分析电路的无源灵敏度。(Design within an 8-order band-pass filter, the passband cutoff frequencies FC1 = 30070HZ, FC2 = 32170HZ allow maximum attenuation 0.2dB within the passband. Designed to meet the requirements of the Butterworth filter and chebyshev filter. RC op amp is the basic unit is the most easy to implement the principle of complete circuit design and parameter selection, and in accordance with the design parameters of the amplitude-frequency characteristics and phase-frequency characteristics of the simulation, simulation curve. Passive sensitivity of the analysis circuit.)

卡尔曼滤波在矿区开采沉陷监测中水准数据处理及沉陷预测中的应用。(The application of Kalman filter in mine subsidence monitoring。)

三相逆变器SVPWM控制，能有效的分析在svpwm控制下模式下，逆变器输出波形的效果(SVPWM control three-phase inverter, which can effectively analyze svpwm control mode, the effect of the inverter output waveform)

这个程序是基于MATLAB实现的偏最小二乘算法(MATLAB implementation is based on partial least squares algorithm)

Face feature extraction

QPSK信号通过瑞利衰落信道后的误比特率和误符号率，并与AWGN信道下的误比特率和误符号率进行对比。其中，多普勒频移为 100Hz，经过矩形脉冲成形后的抽样时间间隔为1/800000s。(The QPSK signal harms the bit rate after the Rayleigh fading channel and harms the mark rate, and harms the bit rate with the AWGN channel under and harms the mark rate to carry on the contrast. And, the Doppler shift is 100Hz, after undergoing the square pulse forming the sampling time gap is 1/800000s. )

说明：  实现交叉互联电缆的仿真模拟, 测量交叉互联电缆各相的电压电流波形(analyze the cross bonded cable)