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理想大气数据计算密度 压强 温度，0-40km以内高度(Ideal atmospheric pressure temperature data density within ,0-40km height)

直接将秘密图像的高4bit隐藏在RGB载体图像的R,G,B层中所选的那一层的低4bit(Directly to the secret image hidden in the high-4bit RGB vector images R, G, B layer, then a layer of selected low-4bit)

用来计算T检验的信度值，给定自由度和置信度计算其比如相关系数的信度值(this program if for student-test)

说明：  加信噪声，单边带调幅，设计波特滤波器，过滤噪声，比较经过希尔伯特变换前后的区别(Plus letter noise, single-sideband amplitude modulation design Potter filters, filter noise comparison, after the difference between before and after the Hilbert transform)

说明：  shtXX 实际应用样例，有详细中文说明，已经调试验证过(shtXX the practical application of the sample, a detailed explanation in Chinese, has been verified debugging)

This is a code of the precise integration method.

这是一个计算近似熵的程序，后续开发可以通过控制维度m调节搜索最佳评价维度。(This is a program to calculate approximate entropy.you can control dimension to search the best uation dimensions for deeper study.)

matlab多个实例分析，希望随大家有帮助。(matlab)

好好学习下哈 4个偶极子天线阵的辐射场图 学习啊 (learn Kazakhstan under four dipole antenna radiation field of study plans ah)

FDTD _ 3D code in matlab main structure of 3D fdtd code