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短时FFT变换，用于数字信号的时频分析，可以加不同的窗函数。(Short time Fourier transform)

ACO求解QOS路由问题。该文件完全实现了蚁群算法求解QOS路由问题，取得了不错的效果。用matlab打开该文件，将文件中的输入参数列表复制到运行窗口中，然后运行该文件即可。(ACO routing problem solving QOS. This document is the ant colony algorithm to achieve QOS routing problem, and achieved good results. Using matlab to open the file, the file copied to the run input parameters list window, then run the file.)

在采样点之间的频率响应是由各采样点的加权内插函数叠加而形成的，因而有一定的逼近误差。该误差大小取决于理想频率响应的形状，理想频响特性变化越平缓，内插值越接近理想值，逼近误差越小；反之，如果采样点之间的理想频响特性变化越陡，则内插值与理想值之间的误差越大，因而在理想滤波器不连续点的两边，就会产生尖峰，而在通带和阻带就会产生波纹。用频率采样法设计的实际滤波器频率响应如图1所示。由图1可知，实际滤波器的阻带衰减取决于内插函数第一旁瓣幅度值的大小，其大小决定了所设计的滤波器的阻带性能。(Interpolation function superimposed between sampling points of the frequency response is weighted within each sampling point and the formation of, and thus have a certain degree of approximation error. The size of this error depends on the shape of the ideal frequency response and the ideal frequency response characteristic change is more gentle, interpolated and more close to the ideal value, the smaller the approximation errors Conversely, if the sampling point between the ideal frequency response characteristics of the steeper the change, and then the interpolated the larger the error between the ideal value, and thus in the ideal filter both sides of the discontinuity point, will produce spikes occurs ripple in the passband and stopband. Actual design frequency sampling filter frequency response is shown in Figure 1. Figure 1 shows, the actual filter stopband attenuation depending on the interpolation value of the size of the first side-lobe amplitude of the function that determin)

此方法是层析分析法的一个较好的程序，可以用于数学建模竞赛等领域。是不错的收藏啊啊啊啊(This method is a better program, chromatography analysis can be used in areas such as Mathematical Contest in Modeling. Good collection ah ah ah ah)

用matlab程序编写，附带源码以及说明书，用于GPS定位技术方面整周模糊度固定的计算小工具(Using matlab programming, with source code and instructions, GPS positioning technology integer ambiguity fixed for computing gadgets)

Peak to average power ratio calculator for OFDMA signal which is use for LTE downlink transimission and wimax sytems.

自己编写的一维搜索优化算法，包括黄金分割法、平分发、牛顿迭代法、抛物线法、三次插值法(I have written a one-dimensional search optimization algorithms, including the golden section method, flat distribution, Newton iteration, parabolic, cubic interpolation)

BER performance of OFDM_Static_Freq_Selective_Channel

pOWER FLOW STUDY WIT NR METHOD

由RS码、卷积码构成的级联码，结合交织技术，用于信道编码(RS code and convolution code, combine with interleaving, use for channel coding. )