2009090310593701

说明：  该文件是LTE的信道模型(matlab),包括上行链路信道模型和下行链路信道模型(This file is LTE channel model (matlab), including uplink channel model and downlink channel model)

说明：  实现对非线性系统的pid参数自调整，良好的控制性能。(Pid nonlinear systems to achieve self-tuning parameters, good control performance.)

用matlab实现ofdm系统中的DA转换和上变频到射频载波上。(Using MATLAB to implement the DA conversion in the OFDM system and up conversion to the radio frequency carrier.)

solve the Beatttie-Bridgman Eos equation

说明：  TD下行仿真。。。。。。。。。。。。。有需要的下(TD downlink simulation. . . . . . . . . . . . . Under the need)

模拟2个独立窄带信号分别以20°，60°的方向入射到均匀线阵上，信号间互不相关，与噪声相互独立，噪声为理想高斯白噪声，阵元间距为入射信号波长的1／2，快拍数为200，信噪比为20dB，阵元数分别为10，50，100。 (Simulate two independent narrowband signals in the direction of 20 °, 60 ° of the incident on the ULA, among signal unrelated, independent noise, the noise is ideal Gaussian white noise, the array element spacing of the incident signal wavelength of 1/2, the number of snapshots 200, SNR is 20dB, the array element number 50, 100, respectively.)

askisi 3 apo ergastirio sae

故障诊断matlab源代码，能够正确识别故障的类型(Fault diagnosis matlab source code, able to correctly identify the type of fault)

模态叠加法计算结构响应，function函数程序(Mode superposition method to calculate the structural response, function function program)

说明：  一种很实用的风力机低电压穿越相关模型搭建及分析。(wind power model)