Program44_fem_microstrip

本文算法是将24 位真彩图的亮度分量分块 DCT ,然后利用DCT 量化系数的奇偶特性嵌入8 位灰度水印图,并通过PN 序列加密来保证水印的 安全性。算法中,将灰度图像转换为二进制数据 流,置乱后扩频调制,隐藏在宿主DCT 系数量化值 中,提取时不需要宿主信号,实现水印信号的盲提 取。(This algorithm is 24-bit true color pictures of the luminance component of block DCT, quantization DCT coefficients and then use the parity properties of 8-bit grayscale watermark embedding map, and through the PN sequence of encryption to ensure the security of the watermark. Algorithm, the gray image into binary data stream, scrambling after the spread spectrum modulation, hidden in the host DCT coefficient quantization values, the extraction does not require the host signal, the blind watermark extraction.)

光散射法测量颗粒粒径分布的时候MIE散射系数的确定，采用matlab算法反演(Mie coefficients)

实序列FFT快速算法，用N点FFT计算2N点实序列的FFT，比直接进行2N点FFT运算减少一半运算量。(Real sequence FFT fast algorithm, using N-point FFT calculation 2N point real sequence of FFT, than the direct 2N-point FFT computation halved.)

Thrown when a program attempts to cast a an object to a type with which it is not compatible.

consits of tutorial

有关图像超分辨率的MATLAB源程序，包括几种超图像分辨率的应用，希望对大家有用！(The image super-resolution of the MATLAB source code, including several super image resolution application, we want to be useful!)

说明：  认知无线电网络中，当信噪比不同时检测概率随虚警概率的变化曲线。(In Cognitive radio network,when the SNR is not the same, the change curve between the detection probability and the false alarm probability.)

Matlab实现界面友好，利用matlab针对图像进行马氏距离计算 ,抑制载波型差分相位调制。( Matlab to achieve user-friendly, Using matlab to calculate the Mahalanobis distance for the image, Suppressed carrier type differential phase modulation.)

说明：  用Matlab实现蒙特卡罗模拟的源程序,(Monte Carlo simulation using Matlab realization of the source,)

针对HHT中存在的边界效应，提出了镜像拖延发改进EMD的分解过程。并提供了英文原版文献便于理解。适用于HHT研究的提高研究学习(improved HHT base on masking technology. in order to reduce the end effect in hilbert huang transform)