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802.11b phy simulink model仿真，基于matlab对wifi重要指标测试(802.11b phy simulink model simulation, based on the matlab test an important indicator of wifi)

SPEKTR 2.1 光子分析程序 SPEKTR 2.1 光子分析程序(SPEKTR2.1 光子分析程序)

本程序是对宽带信号波达方向的估计算法，利用频域平滑技术，有一定的参考价值(DOA estimation of wideband signals)

1)编写DFT子函数（计算并画出幅频特性），以后可调用。 2）N=32，M=32，128，256时，分析频率分辨率、频谱的光滑程度。 3）N=64，256，512时，分析频率分辨率和频谱的光滑程度。 (1) the preparation of DFT Functions (calculated and drawn amplitude-frequency characteristics), the future can be called. 2) N = 32, M = 32,128,256, the analysis of the frequency resolution, the degree of smooth spectrum. 3) N = 64,256,512, the analysis of the frequency spectrum resolution and the degree of smoothness.)

说明：  车辆系统动力性单轮模型，根据运动方程计算车轮位移和车身位移的频率响应函数，以及系统响应输出的功率谱密度(Single wheel vehicle system dynamic model, calculated according to the equation of motion wheel displacement and Body displacement frequency response function, and the system responds with output power spectral density)

V-BLAST MIMO STRUCTURE

LU decomposition used to solve matrices with multiple unknowns

this is a simple2-opt code

saber2011破解方法，亲测能用，适合以前的版本(saber2011 crack method, pro-test can be used for the previous version)

绘制中国地图，并根据站点位置信息标注站点。(Draw a map of China, and marked according to the site location information site.)