stft_rect

利用前推回代法，计算配电网潮流，收敛性较好(Use of the former back on behalf of law, distribution power flow calculation, a better convergence)

说明：  chirp信号目标探测，mti，mtd，可以对于初学者用于雷达杂波下的目标探测仿真(Chirp signal target detection, MTI, MTD)

说明：  Matlab中的画圆函数。Matlab本身没有画圆的函数。本附件实现了画圆函数。(Drawcircle function in Matlab. Matlab does not have drawcircle function. Of this Annex drawcircle realize the function.)

watershed transform coding

FHSS transmitter and receiver in matlab

运输成本、货损成本、时间成本等的配送成本最小化和以模糊时间窗进行量化的客户满意度最大化的多目标优化模型，采用改进遗传算法求解带模糊时间窗冷链配送问题。(A multi-objective optimization model to minimize the cost of transport and distribution costs, damage costs, costs of time and to quantify fuzzy time window to maximize customer satisfaction, using the improved genetic algorithm with fuzzy time window cold chain distribution.)

LTE下行链路空分复用闭环。仿真配置：16QAM调制、1/3码率Turbo编码、10MHz带宽、每个子帧一个PDCCH符号、单码字，8次迭代Turbo译码、早期终止机制、MMSE（最小均方误差）MIMO接收器，PDSCH发射端进行空分复用预编码。信道模型是LTE-MIMO信道附加AWGN信道。(LTE downlink closed loop space division multiplexing. Simulation Configuration: 16QAM modulation, 1/3 rate Turbo code, 10MHz of bandwidth, one PDCCH per subframe symbol, single code word, 8 Turbo decoding iterations, early termination mechanisms, the MMSE (minimum mean square error) the MIMO receivers, PDSCH transmitting terminal space division multiplexing precoding. Channel model is LTE-MIMO channel additional AWGN.)

Multirate filters implementation using matlab

粒子群优化的超限学习机，运行快，拟合效果好，很方便使用(The particle swarm optimization of the overrun learning machine, fast operation, good fitting effect, very convenient to use.)

这里几种功率谱估计方法，对它们的性能进行了比较，可供参考！(Here several methods of power spectrum estimation of their performance are compared for the reference!)