Particle swarm optimization algorithm

DQPSK，包括误码率的统计和误符号率的统计(DQPSK, including bit error rate and symbol error rate statistics Statistics)

FBD法谐波检测 在matlab R2007b版中建立，完整可运行

Vth-Vth0-Vsb for NMOS

matlab 经典教程 从入门到精通 实例讲解 非常经典 值得收藏(matlab classic tutorial on the very classic examples from entry to the proficient worth collecting)

PSO算法程序，主要应用于电力系统中潮流计算的优化算法(PSO algorithm program. Mainly used in power system optimization algorithm flow calculation)

K均值（用matlab实现花的分类，附注释，程序简单）(K-means (machine learning job classification flowers))

pca code for calculation of pca

希尔伯特黄变换的C语言实现，包括希尔伯特谱分析，瞬时频率的求解等。(Hilbert Huang Transform C language, including Hilbert spectral analysis, such as instantaneous frequency solution.)

matlab檔案，用於計算定位成功率，輸入nmea檔案，自動計算NMEA定位的成功率(Calculate the fix yield rate)

说明：  人体心电信号的滤波，用一个Butterworth低通滤波器，滤除50Hz工频噪声，并采用不同阶数的Butterworth低通滤波器，比较效果(Human ECG signal filtering, using a Butterworth low-pass filter, filter the 50Hz frequency noise, and different orders of Butterworth low-pass filter, compare results)