face_detection

基本的ofdm系统实现以及误码率分析（信道为高斯白噪声信道）(The realization of a basic ofdm system.(the channel is white gaussian noise channel))

顶盖驱动流的两种算法：simple法和boltzmann法(lid friven flow matlab code)

说明：  信号频谱分析，倍频程算法matlab程序，1/N倍频程(Signal spectrum analysis, octave algorithm matlab program, 1/N octave)

爬山算法 可以解决许多函数优化方面的问题,可以与其他算法,如蚂蚁算法,粒子群算法等融合使用,有其一定的研究意义(Climbing algorithm can solve many function optimization problems, with other algorithms, such as ant algorithms, particle swarm optimization, such as integration of use, has its research significance)

程序包包含的验证方法，会根据以下的多个指数分配系数(Partition Coefficient)，分类熵Classification Entropy ，分区索引，分离指数（Separation Index），Xie and Beni s的索引，严重聚类的算法(Package contains the authentication method will be based on the following number of index coefficient (Partition Coefficient), classification entropy Classification Entropy, geographical index, separation index (Separation Index), Xie and Beni s index, a serious clustering algorithm)

一个GUI程序，可输入数据和公式进行绘图(a GUI procedures, data entry and mapping formula.)

实现matlab gui 界面的人脸检测，通过点击人眼中心，实现识别(Achieve matlab gui interface face detection, by clicking on the eye center, to achieve recognition)

混沌时间序列的最大李雅普诺夫指数的求法，c-c算法(Chaotic time series of the largest Lyapunov exponent method, c-c algorithm)

现需要在高度为600~700KM范围内，回归周期为30天的太阳同步轨道上布置一颗L波段的合成孔径雷达卫星。 1. 请设计合适的轨道参数，并仿真对应轨道下一个运行周期内星下点轨迹图（纬度和经度两个图）； 2. 计算多普勒中心频率，多普勒调频率与纬度的关系图（设姿态角为0°，天线视角20°~60°，推荐35°）； 3. 按高斯投影方式，将星下点轨迹图投影到地图坐标上。(Now requires a height of 600 ~ 700KM range, return period of 30 days are arranged on a sun-synchronous orbit L-band Synthetic Aperture Radar satellites. 1 Please design the appropriate orbital parameters and simulate the corresponding orbit within the next operating cycle nadir trajectories (latitude and longitude two graphs) 2. Calculate the Doppler center frequency, Doppler frequency and the relationship between latitude Figure (set attitude angle is 0, the antenna angle of 20 to 60, recommended 35) 3 Press Gauss projection, the nadir trajectories projected onto the map coordinates.)

Digital band-pass filter design, digital low-pass filter design, the digital noise signal is filtered out of the frequency band, spectrally move to restore the speech signal through a low pass filter