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采用改进的直接法在matlab中进行功率谱密度计算(Calculating the direct method using the improved power spectrum density in matlab)

computes the coherence in hanning windows

说明：  OFDM的simuink仿真，可以指导你怎样搭建OFDM通信系统的框架。(OFDM simuink simulation can guide you how to build OFDM systems framework.)

对原始信号进行emd分解，分解后的信号能够更好的体现出本身的特征，更加明了(The original signal EMD decomposition, decomposed signal can better reflect the characteristics of itself, more clear)

GM（1，1）模型，Matlab程序。只需要将已知数据输入给x0，就可以计算灰色模型的各个参数，还可以选择预测未来点的个数。(GM (1,1) model, Matlab program. Simply known data input to x0, we can calculate the various parameters of gray model, you can also choose to predict the number of future points.)

合成孔径雷达sar成像源代码 距离多普勒算法(Sar synthetic aperture radar imaging algorithm source code from the Doppler)

光伏并网逆变器电压电流双闭环，含有最大功率跟踪。(PV grid connected inverter voltage and current double closed loop, containing the maximum power tracking)

fast forier transform 32

很强的matlab程序，有很大的学习价值，里面不仅有详细的介绍，以及规范的书写(Matlab program strong, have great learning value, which is not only a detailed description, and specification writing)

FHSS-In this program, the detail about the Frequency Hopping is given. Noticing the fact that the spread spectrum is required for frequency hopping and is of concern