21-25

This is a MATLAB code for calculating effective index in PCF by using maxwell s equation and bessels function.

哈工大的高频地波雷达的仿真程序，可分别计算目标和海洋回波的功率谱密度，以及噪声。(HIT high-frequency ground wave radar simulation program can calculate the target and the power spectral density of sea echo, and noise.)

包括turbo码编译码程序，译码算法包括sova及max-log-map算法，并有完整链路验证其性能。(including turbo coding- decoding procedures, SOVA including decoding algorithm and max-log-map algorithm, and link integrity test its performance.)

说明：  自己编写的萤火虫算法，可以用于聚类等多种用途。(I have written the firefly algorithm, can be used for clustering and other purposes.)

this is pitch detection source code

CMMB标准下的LDPC码校验矩阵生成的Matlab程序 4608*9216的矩阵 希望对大家有帮助(CMMB standard LDPC code parity check matrix generated under the the Matlab program 4608* 9216 matrix we hope to help)

实现图像实时剪切，并显示 实现图像实时剪切，并显示 实现图像实时剪切，并显示 (Cut to achieve real-time image, and displays the images in real time to achieve cutting, shearing and displays the images in real time to achieve, and display)

PSO，改进权重的储能优化策略，simulink搭建(PSO, an improved energy storage optimization strategy, Simulink build)

说明：  本代码用于仿真车辆在两条单向三车道道路上移动的情形，考虑到了加速度，超车，背景流量等(This code is used to simulate the movement of vehicles on two one-way three-lane roads, taking into account acceleration, overtaking, background traffic and so on)

说明：  对气象数据进行MK检验分析，包括突变检验和趋势检验(MK Test and Analysis of Meteorological Data)