K_means

simple matlab programs

• Assume you are a R/D manager of a communication equipment company, you are going to develop an IP Switch (including hardware and hardware), how do you arrange this project? (hint: what is the system architecture?Which technologies you need? How do you arrange your team into co-work groups?)

快速eemd，来自台湾国立中央大学数据分析方法研究中心，Norden E. Huang(fast eemd Taiwan s National Central University Research Center analysis of data， 2010，Norden E. Huang)

对微波基础理论的Matlab仿真。对于微波初学者有借鉴作用。程序补充(based on microwave theory of Matlab. Microwave for a beginner lessons. Supplementary procedures)

模拟2个独立窄带信号分别以20°，60°的方向入射到均匀线阵上，信号间互不相关，与噪声相互独立，噪声为理想高斯白噪声，阵元数为10，快拍数为200，信噪比为20dB，阵元间距分别为 tambada/6 tambada/2、tambada。(Simulate two independent narrowband signals in the direction of 20 °, 60 ° of the incident on the ULA, among signal unrelated, independent noise, the noise is ideal Gaussian white noise, the array element number 10, the number of snapshots for 200, SNR is 20dB, respectively array element spacing  tambada/6 tambada/2, tambada.)

大地坐标的纬度和经度，许多大地坐标的纬度和经度的批处理非常方便。(Geodetic coordinates to latitude and longitude, very convenient to many geodetic coordinates to latitude and longitude of batch.)

matlab求解非齐次poisson方程的fft快速算法，经测试在自己的机器上能算到对区域进行7000次左右的分段。(matlab fft fast algorithm for solving non-homogeneous poisson equation has been tested on the machine count to about 7000 times the segmented area.)

Matlab EMD分解工具箱 适合初学者(Matlab EMD decomposition Toolbox)

给出接收信号眼图及系统仿真误码率，基于多相结构的信道化接收机，通过matlab代码。( The received signal is given eye and BER simulation systems, Channelized receiver based on multi-phase structure, By matlab code.)

电力系统谐波发生器的MATLAB函数程序，可以产生各种谐波信号，包括谐波、电压骤升、电压中断、电压骤降、暂态脉冲信号等。(Power system harmonic generator MATLAB function procedures, can produce a variety of harmonic signals, including harmonics, voltage swells, voltage interruptions, voltage dips, transient pulse signal.)