modulationtest

it is used to eliminate the harmonic distortion due to non linear load. By Saravanan.J

QPSK 编码 课程设计 matlab仿真 毕业设计 源代码 程序(QPSK encoded curriculum design the matlab simulation graduation design source code program)

Converts geodetic coordinates in WGS84_LLA to cartesian coordinates in WGS84_XYZ. Vectorized version.

pham的频域盲分离算法，可供参考，具有较好的适应性。(pham frequency domain blind separation algorithm available, has a better adaptability.)

Numerical Methods in Engineering with Matlab by Jaan Kiusalaas

从曲线中检测到其峰值：先利用二次求导得到所有凸点，设置门限，去除过低的凸点，然后利用滑动窗的方法，在凸点中求得满足峰值要求的点(Detected from the curve to its peak: the first use of the second derivative method to get all the bumps, set the threshold too low to remove the bumps, and then use a sliding window, obtained in a bump to meet peak requirements of point)

转速、磁链闭环控制的矢量控制交流调速。控制电路是由滞环脉冲发生器、电流变换与磁链观测的封装模块、比例放大器模块、函数模块、常数模块（用于额定转速和转子磁链信号的给定）、转速调节器ASR、转矩调节器ATR、磁链调节器APR、以及三二变换器模块。(Vector Control AC Speed Regulation with Closed Loop Control of Speed and Flux Link)

说明：  可用于对原始离散信号的变分模态分解，实测有效(Used for variational mode decomposition of signals)

说明：  rk-4 四阶龙格库塔法求解代码及结果图片(rk-4 Fourth order Runge Kutta method solution code and result picture)

Matlab Sample Codes Implementation