SPsnake

yahoo股票历史数据下载器，matlab编写(yahoo stock historical data downloader, matlab write)

Electric Circuit by simulink

说明：  使用FFT分析三角波信号的频谱，讨论采样点数、采样频率对谱分辨率的影响。对数据叠加白噪声后再次分析实验结果。(FFT analysis of the use of the triangular wave signal spectrum to discuss the sampling points, the sampling frequency of the impact of spectral resolution. White noise superimposed on the data after analysis of experimental results.)

kind of inverter that is controlable in matlab simulink

SMRSOFT: a Matlab Toolbox for Optimization over Polynomials and Dynamical Systems Study via SOS Programming.(SMRSOFT: a Matlab Toolbox for Optimization over Polynomials and Dynamical Systems Study via SOS Programming. Available at )

光伏逆变器中dcdc电路实现最大功率点跟踪的电导增量法程序(DCDC in the photovoltaic inverter circuit to achieve maximum power point tracking of conductance increment method)

降压它激推挽DC/DC的电路,输入24V直流电压，输出8V直流电压，主要起降压隔离的作用(The push-pull DC/DC circuit)

在永磁同步电机的运动控制系统中采用直接转矩控制策略，其性能的优劣程度取决于磁链和电磁转矩的控制情况，因此很有必要进一步的研究控制系统转矩和磁链的性能。(Permanent magnet synchronous motor is widely used in the field of speed control systems because of its various high performance,such as its small volume, high efficiency, reliable work performance, and the advantage of being able to adapt to harsh environment.Direct torque control technology regards the induction motor as the research object , because its idea is novel , its architecture is simple and it has excellent static and dynamic performance of the system , so this technology has received extensive attention.This paper focuses on the surface mounted permanent magnet synchronous motor, and the main work is as follows at direct torque control system.)

对解列的一个网络，判断出其子系统的个数及每个子系统的节点及其支路(For splitting a network, determine the number of its subsystems and each subsystem node and branch)

iir滤波器对有噪语音滤波,在matalb上实现(IIR filter noisy speech filtering, on matalb)