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this program implement a pca_svm face recognition

说明：  详细介绍了matlab图像处理函数，并总结了函数的适用情况。实验问题详细的答案讲解。(Details of the matlab image processing function, and summarizes the functions of the application. Detailed answers to explain the experimental problem.)

we present a practical link adaptation algorithm for MIMO-OFDM systems. The proposed solution is based on sounding the channel periodically and choosing the optimal mode that will maximize the throughput or energy efficiency (EE) while satisfying the application’s quality of service (QoS) requirements. In addition, we address practical problems such as the computational complexity of the algorithm and determination of sounding period by novel closed form solutions and iterative algorithms. Realistic link level simulations confirm that the proposed solution achieves significant improvement over existing link adaptation algorithms when the aim is to maximize the throughput, and provides orders of magnitude gain in energy efficiency compared to poorly chosen fixed modes when used for energy efficiency maximization purposes. The resulting algorithms are implemented on a real time MIMOOFDM testbed, and we report on the experimental results.

Smith圆图，可以实现多种功能，用matlab仿真软件实现(Smith chart, you can achieve a variety of functions, implemented using matlab simulation software)

牛人krishna示例的升余弦滚降滤波器的时域和频域仿真(the simulation of raised cosine filter for both time and frequency domains，by krishna, happy learning!)

matlab实现用双线性插值法放大和缩小图像(Zooming and Shrinking Images by Bilinear Interpolation (a) Write a computer program capable of zooming and shrinking an image by bilinear interpolation. The input to your program is the desired size of the resulting image in the horizontal and vertical direction. You may ignore aliasing effects. (b) Download Fig. 2.19(a) and use your program to shrink this image 1024 x 1024 to 256 x 256 pixels. (c) Use your program to zoom the image in (b) back to 1024 x 1024. Explain the reasons for their differences. )

adpcm codification matlab code

啁啾光栅matlab仿真程序，方便学习光栅特性(Chirped grating matlab simulation program to facilitate the learning Grating)

说明：  非常全的matlab源代码，很好很强大很实用(All of the matlab source code is very, very good very strong very practical)

Hough line detection and display Discrete Wavelet Transform matlab code without using standard functions