voicebox

control of fase in frecuency domain

newton rapson method for line flow data

adaboost算法的matlab程序，随机生成正负样本，用adaboost进行分类(adaboost algorithm matlab program randomly generates positive and negative samples adaboost classification)

说明：  simulink命令集，希望对做仿真的有些帮助！(simulink command set, and they hope to do some simulation to help!)

函数名称：matlab求积分函数。函数功能：该函数需要输入自变量，函数，积分下限，积分上限。非常方便。(Function name: matlab for integral function function: this function need to enter the independent variable, function, integral floor, integral upper limit is very convenient. )

DTMF(双音多频)是用两个特定的单音频组合信号来代表数字信号的一种编码技术。两个单音的频率不同，代表的数字或实现的功能也不同。可采用8种频率代表电话机上的16个按键，10个数字键0~9和6个功能键*、#、A、B、C、D。具体的频率组合见参考书。要求： (1) 根据键盘输入的符号，利用MATLAB产生对应的DTMF信号；(2) 分别利用FFT算法和Goertzel算法计算该DTMF信号的频谱并画出频谱图；(3) 根据频谱图确定DTMF信号所代表的符号是否和输入的符号一致。 (DTMF (Dual Tone Multi-Frequency) is a single with two specific combination of audio signals to represent a kind of digital signal coding techniques. Two monosyllabic different frequency, on behalf of the numbers, or the realization of the functions are also different. Eight kinds of frequency of use on behalf of telephone on the 16 keys, 10 numeric keys 0 ~ 9 and 6 function keys*,#, A, B, C, D. The frequency of specific composition of reference books. Requirements: (1) According to the keyboard input of symbols, the use of MATLAB have a corresponding DTMF signal (2), respectively, using FFT algorithm and the Goertzel algorithm DTMF signal spectrum and frequency spectrum draw (3) According to DTMF signal frequency spectrum to determine represented by symbols and input symbols unanimously.)

MQAM信号的调制与解调，包括调制与解调的全程序，星座图的回复与比较！很有帮助(QAM modulation and demodulation ,including constellation)

用于ADC的动态性能评估,有matlab的示例程序(For the ADC' s dynamic performance evaluation, have matlab sample program)

FIR滤波器的设计——使用Matlab和CCS(FIR filter design used matlab and ccs)

this file is a graphical user interface (GUI) using Matlab and simulink it is for DC Drive. it is a PI cascade controller ( current and speed controller). it a good and friendly GUI