suijiguliao

MLP 1-layer Nueral Network

自己在simulink里搭建的感应电机空间矢量控制(SVPWM)系统，结构清楚，便于移植，已经在Matlab R2013a上测试过，希望给大家带来帮助(It is a SVPWM induction motor control system built in simulink, the structure is clear and it is easy to transplant.Tested in Matlab R2013a. May it be helpful.)

语音基本间隙检测算法，voice activity detection(basic voice Gap Detection Algorithm, voice activity detection)

说明：  提出了正交频分复用(O FDM ) 系统中一种新的载波频偏估计算法L 载波频偏估计过程可分 为获取和跟踪, 其中, 获取过程和时间同步是同时完成的L新算法可实现的最大载波频偏获取范围 是整个信号带宽的一半L新的跟踪算法是一个最大似然算法, 在加性白噪声高斯信道(AW GN ) 下, 当N (训练序列长度的一半) 等于128 时, 其性能比Schm idl 算法提高约7127 dB 在多经信道下, 当 信噪比不是很高时, 新算法仍具有优势L(new carrier f requency offset est imat ion scheme in o rthogonal f requency division mu lt ip lex ing (O FDM ) system is p ropo sed. The carrier f requency offset est i2 mat ion includes acqu isit ion and t rack ing, and acqu isit ion as w ell as t im ing synch ro2 n izat ion can be perfo rmed simu ltaneou sly w ith h igh accu racy. The max imum acqu i2 sit ion range can be up to one half of overall signal bandw idth. The p ropo sed t rack2 ing est imato r is a max imum 2likelihood est imato r, and in AW GN channel, abou t 7127dB imp rovemen t is ob tained compared to the Schm idl’s algo rithm w hen N = 128 in mu lt ipath channel, the p ropo sed algo rithm wo rk s w ell at moderate SNR.)

IEEE paper for OFDM analysis

灰色模型在城市中长期用水量预测中的应用，近年来, 随着我国经济的飞速发展, 城市规模 不断扩张, 现有供水系统已经不能满足未来几年 的供水需求, 必须依照未来城市发展与城市布局 进行科学合理的供水系统规划. 在(Gray model in the application of long-term water demand in recent years, as China' s rapid economic development, urban-scale expansion, the existing water supply system can not meet the water needs of the next few years must be in accordance with future urban development and urban scientific and rational layout of the water supply system planning. In)

使用PSO算法来求解状态估计，测试算例为IEEE 33 test case，效果不错。(Distribution State Estimation (DSE) by using PSO algorithm)

在制定的位置显示图像，还可以改变位置来显示位置，可以自定义横坐标和纵坐标的值。(Position in the development of display images, but also can change the location to display the location, can customize the abscissa and ordinate values.)

异步电动机矢量控制仿真程序包含电流环和速度环(Vector control induction motor simulation program that contains the current loop and speed loop)

describe fft from wav file using matlab