GPSCAFFT

说明：  针对非合作遥感影像坐标偏差问题，根据google earth球面距离算法，给予自动修正。(For non-cooperation in remote sensing image coordinates of deviation, according to google earth spherical distance algorithm to give automatic correction.)

说明：  分别采用Roberts?算子、Sobel算子、Prewitt算子和Log算子进行图像锐化(Roberts operator, Sobel operator, Prewitt operator and LOG operator are used for image sharpening)

说明：  灰色模型，包括残差修正模型，matlab可直接使用，亲测有效(Grey model, including residual correction model, matlab can be used directly, effective pro test)

其中包含了OFDM系统的简单仿真，有SLM算法输入输出的比较，PAPR明显降低(Which contains a simple simulation of the OFDM system, the comparison of the input and output of SLM algorithm, PAPR is significantly reduced)

安卓工程源码，自行车导航源码，GpsTracker源码，百度地图API-定位周边搜索POI源码，百度地图API源码，北京公交线路查询（离线），获取Gps信息的程序源码。(Android project source code, bike navigation source, GpsTracker source, Baidu map API- positioned around the search for POI source, Baidu Maps API source, Beijing bus lines query (offline), to obtain information on Open Source Gps)

该工程是有关CPFSK（连续相位调制）的完整工程。帧结构包含训练序列、前导码、同步码、数据长度等信息，使用正交调制方式产生CPFSK的信号，生成基带IQ数据。接收端包含帧同步、滤波、解算长度等算法。可实现任意长度字符串的无线发送与接收。工程十分完整喝强大，可直接用于各大SDR平台的验证。(The project is a complete project of CPFSK (continuous phase modulation). The frame structure contains training sequence, preamble, synchronization code, data length and other information, and uses orthogonal modulation to generate CPFSK signals and generate baseband IQ data. The receiver includes algorithms such as frame synchronization, filtering, and calculating length. It can realize wireless sending and receiving strings of arbitrary length. The project is complete and powerful, and can be directly applied to the verification of major SDR platforms.)

说明：  设计一个巴特沃兹数字低通滤波器，其技术指标为：3dB带宽为0.2π，阻带截止频率为0.3π，通带纹波为1dB，阻带衰减大于30dB，采样间隔T=10ms。 1）采用冲激响应不变法； 2）采用双线性变换法设计； 3）采用FIR的窗函数（Hanning窗、Hamming窗或Blackman窗）设计。(A Butterworth digital low-pass filter is designed. Its technical specifications are: 3 dB bandwidth is 0.2 pi, stopband cut-off frequency is 0.3 pi, passband ripple is 1 dB, stopband attenuation is more than 30 dB, sampling interval T=10 Ms. 1) Impulse response invariance method is adopted. 2) Design by bilinear transformation method; 3) FIR window function (Hanning window, Hamming window or Blackman window) is used to design.)

网格编码的16QAM仿真，验证网格编码的增益和误码(grid coding 16QAM simulation, verification grid coding gain and the error)

通信物理层处理，包括发射机和接收机，内容有前导处理，信道估计，信道编解码，BPSK、QPSK和8PSK调制与解调等。(Communication the physical treatment, including the transmitter and receiver, the content is leading processing, channel estimation, channel decoding, BPSK QPSK and eight PSK modulation and demodulation, etc )

著名的FastICA 算法,最新版本,修改了以前的Bug,(The famous FastICA algorithm, the latest version, modify the Bug before,)