sdsdda

Implementation of the canny edge detector.

Using entropy to align fingerprints in fingerprint verification

class for efficient manipulation of N-fold

说明：  详细说明了pi/4 DQPSK 调制、解调，RRC 匹配滤波器设计， BER 蒙特卡洛仿真，rayleigh衰落下的系统仿真。 文档中附有各个模块的Matlab code。(Detailed description of pi/4 DQPSK modulation, demodulation, RRC matched filter design, BER Monte Carlo simulation, rayleigh fading of system simulation. Document attached to each module of the Matlab code.)

说明：  《MATLAB7.x与C/C++混合编程》配套的源程序 6.5.2节代码 vc.net通过扩展MFC动态链接库创建MEX程序(&quot MATLAB7.x and C/C++ mixed programming,&quot supporting the source code vc.net 6.5.2 MFC dynamic link library by extending the program to create MEX)

卡尔曼滤波算法在Matlab中的编程 仿真的为航迹跟踪的滤波过程(Kalman filtering algorithm in Matlab simulation programming for the track tracking filtering process)

gui for calculator...both digital and scientific

参考Matlab提供的模块建立简化的三相锁相环的仿真模型，只保留必要的步骤，如abc-dqz只计算Vq，去除频率反馈模块和自动参数调整模块等。 建立单相锁相环的计算模型  简化单相锁相环的系统结构，保留必要的PI控制器等模块  验证并讨论输入信号频率在45-65Hz变化时设计的锁相环的动静态性能  仿真并分析三相输入信号包含谐波、不平衡和直流偏移时锁相环的锁相结果(Reference Matlab provides three-phase PLL module to establish a simplified simulation model, retaining only the necessary steps, such as abc-dqz counting only Vq, remove frequency feedback module and automatic parameter adjustment module.  simulation and analysis of the three-phase input signal contains harmonics, unbalance and DC offset PLL phase-locked Results)

通过matlab代码，双向PCS控制仿真，DC-DC部分采用UHdJRnZ定功率单环控制，DC-AC采用Udc-Q解耦控制，系统直流电压由后级DC-AC实现稳定控制，trNkGDT参数合适 ( Through the matlab code, two-way PCS control simulation, DC-DC part of the UHdJRnZ fixed power control, Udc-Q using DC-AC decoupling control, the system DC voltage the rear stage DC-AC to achieve stable control, trNkGDT parameters suitable )

说明：  四杆桁架结构的有限元分析(Bar2D2Node); 三梁平面框架结构的有限元分析(Beam2D2Node); 基于3节点三角形单元的矩形薄板分析(Triangle2D3Node); 基于4节点四边形单元的矩形薄板分析(Quad2D4Node); 基于4节点四面体单元的空间块体分析(Tetrahedron3D4Node); 基于8节点六面体单元的空间块体分析(Hexahedral3D8Node);(Finite element analysis of four bar truss structure (bar2d2node); Finite element analysis of three beam plane frame structure (beam2d2node); The analysis of thin rectangular plate based on 3-node triangular element (triangle2d3node); The analysis of rectangular thin plate based on 4-node quadrilateral element (quad2d4node); Tetrahedron 3D 4node (Tetrahedron 3d4node) is used to analyze the spatial block; The spatial block analysis based on 8-node hexahedral element (hexahedral 3d8node);)