Basic-PSO

ieee各种节点图形，仅供参考。电力系统的分析和计算中，需要不同网络结构和参数。在应 用这些参数之前，收集和整理工作会花费大量的时间和精力。(ieee various node graph, for reference only. Power system analysis and calculation, require different network structures and parameters. Before applying these parameters, the collection and collation will spend a lot of time and effort.)

分析双极性不归零码的功率谱特性请输入随机序列的长度N= (ubplot(312) plot(f,lpf) title( 低通滤波器 ) axis([-fs/2 fs/2-0.2 1.2]) subplot(313) plot(f,abs(yr_lpf)/N) title( 经低通滤波后的频谱 ) xlabel( f /Hz ) )

dct变换离散余弦变换（Discrete Cosine Transform，简称DCT变换）是一种与傅立叶变换紧密相关的数学运算。在傅立叶级数展开式中，如果被展开的函数是实偶函数，那么其傅立叶级数中只包含余弦项，再将其离散化可导出余弦变换(Discrete Cosine Transform)

Numerous industrial applications have begun to require higher power apparatus in recent years. Some medium voltage motor drives

MATLAB2010a学习资料，从基础到精通，适合初学者(MATLAB2010a learning materials, from basic to proficient, suitable for beginners)

分析了该信号的时域、频域、倒谱，循环谱等,结合PCA的尺度不变特征变换(SIFT)算法，DC-DC部分采用定功率单环控制。( Analysis of the signal time domain, frequency domain, cepstrum, cyclic spectrum, etc. Combined with PCA scale invariant feature transform (SIFT) algorithm, DC-DC power single-part set-loop control.)

说明：  改程序能求得卫星下行链路的传输速率和覆盖面积的关系(Procedures to obtain the relationship between the satellite downlink transmit date rate and coverage areas )

函数通过输入信号序列和函数序号，以及调制解调选择参数来完成扩频调制解调。original_seq是原始输入序列，可能是未调制序列，也可能是调制序列，walsh_num是walsh函数的序号，select选择对输入的序列进行调制还是解调。(function through the input signal sequence and function of the serial number and choice of modulation and demodulation parameters to complete spread spectrum modulation and demodulation. Original_seq is the original input sequence may not be modulated sequence, and may also be modulated sequence, walsh_num walsh function of the serial number, select choice of input sequence modulation or demodulation.)

8psk的解调doc文章，超级有价值，可以用于工程实践。(8PSK demodulation doc articles, super valuable and can be used in engineering practice.)

交流网络最大输电能力计算程序，便于分析电网最大输电能力和稳定评估(Exchange network transmission capacity calculation procedures to facilitate the analysis grid transmission capacity and stability assessment)