ISI

Software Entrepreneurship

说明：  基于正反馈频率漂移的光伏并网逆变器反孤岛控制。一个比较好的参考资料(Based on positive feedback frequency drift of photovoltaic grid inverter control against the island. A better reference material )

哑铃状目标SAR回波仿真与成像程序，成像使用了距离多普勒算法，回波仿真中考虑了目标的后向散射随着频率的变化(the dumbbell-shaped target SAR echo simulation and imaging processing, the use of RD imaging algorithm, echo simulation takes into account the target backscatter varies with frequency)

巴特沃夫高通滤波器通过高通滤波可用于检测奇异点。(Butterworth high-pass filter high-pass filter can be used to detect singular points.)

An example of Chaos Theory application

全面详解LTE：MATLAB建模、仿真与实现(Understanding Lte with MATLAB: From Mathematical Foundation to Simulation, Performance Evaluation.)

该文件能够实现盲信号的分离，分离效果很好，输入为两种信号的非线性叠加，经过仿真效果很明显！(The document can achieve blind signal separation, separation a good effect, input non-linear superposition of two kinds of signals, through simulation effect is obvious!)

频谱感知中的能量感知算法，在不同虚警概率的情况下，信噪比和检测概率的变化。(In Cognitive Radio， spectru sensing is important。And energy detection is more. In different false alarm probability, the Pd vary with the SNR.)

牛顿法求解minf(x)=x1^3+x2^3-3(x1+x2)初始点x=(6,4)精度为0.05。可运行出结果，程序清晰，算法明确。(Newton method for solving min f (x) = x1 ^ 3+ x2 ^ 3-3 (x1+ x2) the initial point x = (6,4) accuracy of 0.05.It can run out the results 。 it s program is clear, and it s algorithm is explicit .)

小波包分析提取振动信号中的特征频率，基于分段非线性权重值的Pso算法，包括调制，解调，信噪比计算。( Wavelet packet analysis to extract vibration signal characteristic frequency, Based on piecewise nonlinear weight value Pso algorithm, Includes the modulation, demodulation, signal to noise ratio calculation.)