PrelimReport

计算sigma-delta调制器输出码流的信噪比。(calculate the ratio of signal to noise of sigma-delta modulator.)

考虑不同频率复用因子的情况下用户的容量和SINR值变化情况，得出在FRF为3的情况下达到最大的值(calculate the edge user under different frequence reuse factor the performance of capacity and SINR. The result is that when FRF equals to 3 achieve the maximum value.)

a simple code for plot some kinds of geophysical data (such shot, CMP,... gathers).

RAKE接收机的仿真代码，对研究接收机，信道均衡，预RAKE有帮助(RAKE receiver simulation code, the study of the receiver, channel equalization, pre-RAKE help)

Bifurcation Diagram of Quadratic map

神经网络自适应竞争SOM算法，matlab算例，共9例，非常实用，可运行。(Neural network adaptive competition SOM algorithm, matlab example, a total of nine cases, very practical, you can run.)

通过移动机翼，尾翼，起落架和油箱的位置来使气动中心和重心重合。(By movingwings, tail, landing gearand fuel tankpositionto makethe aerodynamic centerand center of gravitycoincide.)

光伏并网发电系统的MPPT电压控制策略仿真(MPPT voltage grid-connected PV systems Control Strategy Simulation)

分数阶傅里叶变换，MATLAB程序代码，从国外网站下载(fraction fourier transform)

改程序是经典的模态识别程序，基本包括了所有的模态识别方法，包括prony法、era发、频域分析法，还具有有限元分析等功能，对模态分析特别有帮助。(Reform program is the classic modal identification procedures, including all of the basic modal identification methods, including prony law, era hair, frequency domain analysis, also has features such as finite element analysis, modal analysis of particularly helpful.)