二自由度碰撞系统龙格库塔数值求解

a c program for simulation of system call ls -l .

说明：  一种基于最小类间距的半监督聚类算法，内含注释和测试数据集(a Semi-supervised clustering algorithm based on Single linkage clustering)

二维空间矩边缘检测算法，可以实现图像边缘的检测(Two-dimensional spatial moment algorithm for edge detection)

计算两个信号的功率谱密度，通过两个信号的谱相关系数决定频点是否参与叠加计算，以控制功率谱密度质量。(Calculation of the two signal power spectral density, spectral signals through two related factors involved in the decision whether or not frequency superposition calculation, in order to control the quality of the power spectral density.)

This is a kalman filter arithmetic using Matlab. A small example of insipid kalman filtering, and relatively foundation, can help beginners, combining with example study.

matlab仿真，RSSI质心加权算法，无线定位可以，可以用！(matlab simulation, RSSI weighted centroid algorithm, wireless positioning Yes, you can use!)

code to face detection

通信信号处理丛书，全面系统地阐述了信号处理的的基本理论与应用，是每个通信人的必备参考资料。 (Communication Signal Processing Series, a comprehensive and systematic exposition of the basic signal processing theory and applications, is an essential reference for each communication.)

matlab采用半色调技术对图像进行显示：用模板近似表示10个灰度级，每一个灰度级用3*3 的模板来表示，并对如下图所示的256*256的渐变图像进行半色调输出的检验。(matlab using halftoning image display: template approximated 10 gray levels, a gray level of each template used to represent the 3* 3, and the gradation of the image as shown in Figure 256* 256 halftone inspection of the output.)

主要介绍了正交振幅调制的相关知识，包括如何识别(Mainly introduced the quadrature amplitude modulation related knowledge, including how to identify)