cheliangjiance

这是一段拟合函数的MATLAB程序，需要的同学可以下载看看(It was a fitting function of the MATLAB program, students in need can be downloaded to see if)

说明：  这是一个关于函数逼近的matlab程序，程序设计简单易懂，在稍微复杂的地方注有说明(This is a matlab program on the function approximation, the program design is simple and easy to understand, in the slightly more complex note has made it clear where)

计算偶极子天线的辐射阻抗、输入阻抗、方向图等。(Calculated dipole antenna radiation resistance, input impedance, pattern and so on.)

区域生长算法，一种传统的图像分割算法，用于图像分割。(region growing algorithm for image segmentation .it is a trditional image segmentatin algorithm.)

说明：  求解细线天线或细直导线的辐射或散射特性的矩量法分析论文(Solution of thin wire antennas or small straight wire radiation or scattering characteristics of the moment method analysis of papers)

一个简化的单边带电台仿真。采用MATLAB编写程序。(A simplified single-sideband radio simulation. Using MATLAB programming.)

ldpc在BSN信道下的性能仿真，程序较简单，但可以运行，仅供参考(ldpc in the performance of BSN channel simulation, the program is relatively simple, but it can run for reference only)

Beat Tracking by Dynamic Programming This page illustrates the use of the beat_* functions to implement a simple music audio beat tracker based on dynamic programming, as described in: D. Ellis Beat Tracking by Dynamic Programming J. New Music Research 36(1): 51-60, March 2007, DOI: 10.1080/09298210701653344.

利用KNN最近邻算法，对心音信号进行分割并判断，给出第一心音、第二心音和收缩期、舒张期。(Use KNN nearest neighbor algorithm, the heart sound signal is divided and judgment is given first, second heart sound and systolic, diastolic.)

rician衰弱概率密度图 matlab环境下 (rician matlab semilogy)