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Space–time block coding is a technique used in wireless communications to transmit multiple copies of a data stream across a number of antennas and to exploit the various received versions of the data to improve the reliability of data-transfer. The fact that the transmitted signal must traverse a potentially difficult environment with scattering, reflection, refraction and so on and may then be further corrupted by thermal noise in the receiver means that some of the received copies of the data will be better than others. This redundancy results in a higher chance of being able to use one or more of the received copies to correctly decode the received signal. In fact, space–time coding combines all the copies of the received signal in an optimal way to extract as much information from each of them as possible.

matlab 经典教程 从入门到精通 实例讲解 非常经典 值得收藏(matlab classic tutorial on the very classic examples from entry to the proficient worth collecting)

AT88 PROGRAMMER DIAGRAM

Contourlet Toolbox (Version 2.0) Demos DECDEMO Demonstrates contourlet decomposition and reconstruction NLADEMO Demo for contourlet nonlinear approximation. NLADEMO2 Nonlinear approximation demo using only the finest scale DENOISEDEMO Denoise demo Main functions: Contourlets pyramidal directional filter bank PDFBDEC Pyramidal Directional Filter Bank (or Contourlet)

matlab在数学建模中的应用 第二章 原书配套 很好用(application in modeling with matlab chapter2)

这几段程序分别是matlab环境下图像逻辑操作、交换显示图像、矢量数据的显示、交换显示图像(These paragraphs procedures are logical operations matlab environment image, switching display images, vector data display, switching the display image)

comparaison de modulation par déplacement de phase multi-niveaux MPSK

视频监控，如果有东西经过监控区域就语音报警（something is intruding）(Video surveillance, if there is something on the voice alarm through the monitored area (something is intruding))

本程序主要是应用到无线传感器网络目标定位与追踪中，通过利用MUSIC算法来测量接受信号的波达方向角DOA，然后进一步定位与追踪。(This procedure is mainly applied to wireless sensor networks, targeting and tracking, the MUSIC algorithm is used to measure the signal direction of arrival angle DOA, then locate and track.)

Describe a Efi in a transformer