在 Matlab 中的认知无线电系统的仿真(237512)

雷达系统，雷达信号中频非相参积累的简单代码(Radar system, radar signal, intermediate frequency, non coherent accumulation, simple code.)

对语音编码技术的特点进行了分析与研究, 对波形编码,声码器和混合编码三种主要 的语音编码进行了比较, 并介绍了GSM 和CD(This paper analyzes and studies the characteristics of speech coding technology, compares the three main speech codes: waveform coding, vocoder and hybrid coding, and introduces GSM and CD.)

说明：  SMART ANTENNA BOOkS by lal chand

ofdm系统中的em信道估计matlab仿真(em OFDM system channel estimation matlab simulation)

这是矩阵计算一书的第二部分，由于是从网上下载的，两部分是分开的，没法合并，所以只好分两次上传，欢迎下载浏览。(This is the matrix of the second part of the book, as it is downloaded from the Internet, the two parts are separated, can not be combined, so only two upload, please download the browser.)

上载失败04，关闭上载失败04，关闭窗口窗口(Upload failed 04, 04 off the upload fails, close the window, the window)

在xOy平面（H平面）中获得的具有不同数量的单元和相位的平面天线阵获得的辐射方向图(Radiation patterns obtained from planar antenna arrays with different number of elements and phases in the xOy plane (H plane))

这是一个相对完整的OFDM通信系统的仿真设计，包括编码，调制，IFFT， 上下变频，高斯信道建模，FFT，PAPR抑制，各种同步，解调和解码等模 块，并统括系统性能的仿真验证了系统设计的可靠性 (OFDM full version of the source code, including coding, modulation, IFFT, Upper and lower frequency, Gaussian channel model, FFT, PAPR suppression, a variety of synchronization, demodulation and decoding module, and system performance of the omnibus simulation verify the reliability of the system design)

本程序分析了MIMO系统中发射天线数目对系统容量的影响(This program analyzes the MIMO system, the number of transmit antennas of the system capacity,)

HOW TO SIMULATE MASSIVE MIMO TO GET AN ENERGY EFFICIENT SYSTEM