pufenxi

输入经度、纬度和高度，计算任意近地面的重力场(Enter the longitude, latitude and altitude, calculation of arbitrary gravitational field near the ground)

phase locked loop pll as fm demodulator

关于SMITH圆图的MATLAB相关设计及说明(SMITH chart of MATLAB on the design and description of relevant)

matlab实现小波去噪的经典，可供初学小波人学习(matlab implementation of the classical wavelet denoising, wavelet for beginners to learn)

该程序模拟仿真16QAM传输系统，有助于理解调制过程。(Simulation program to realize 16QAM transmission system)

加窗设计FIR滤波器，其中有矩形窗和哈明窗两种窗的加窗方法及频谱分析(Windowed FIR filter design, including rectangular window and Hamming window of Windows and both methods and spectral analysis)

学习matlab的优秀资料，认真研究学习，读者可以从中获得启发，对matlab的学习具有很强的学习意义。(Learning matlab excellent information, serious research study, the reader can derive inspiration, has a strong sense of learning for learning matlab.)

在matlab上的Asift程序，在原有基础上有所改进，程序可以出色地实现图像的识别，匹配，效果相比SIFT，SURF等有大幅提高(In matlab Asift program improvements based on the original, the program can achieve excellent image recognition, matching, compared to the effect of SIFT, SURF, etc. have greatly improved)

说明：  EM数值算法 MATLAB程序 用于高斯混合模型(numerical algorithms)

针对DEM的建模问题，将高程看作区域化变量，应用地质统计学中普通克里格研究了一个山区高程空间变异分析及其插值。(DEM for modeling will be seen as a regionalized variable elevation, application of ordinary kriging in geostatistics research a mountain elevation spatial variability analysis and interpolation.)