AM-Modulation-Example-MFile-CodeN

粒子群算法求最值，用离子群算法求函数的最值(Particle Swarm Optimization for the best values, with ion swarm optimization function for the most value)

说明 幅度为三角波的幅度调制信号在长度变化前后，信号的时间中心、频率最小、时宽和带宽的变化情况；(Description amplitude of the triangular wave amplitude modulated signal before and after the change in the length of time the center of the signal, the frequency of the minimum, and when the wide bandwidth changes )

Space-Time Coding Theory and Practice

通过matlab编程实现了通信原理中的模拟频率调制（FM)，并画出了波形。(this source code can realize the fm modulation in communication principles.)

matlab绘制狭缝，二维狭缝三维狭缝以及周期性光栅。(the matlab draw the slit, two-dimensional slit the 3D slit and periodic grating.)

系统辨识基于梯度校正的参数辨识方法，其中包括随机牛顿法，确定性梯度下降法(System identification based on the gradient correction parameter identification methods, including random Newton' s method, deterministic gradient descent)

说明：  Sparse Bayesian Learning

图像检测标定的方法测量海绵的位移量，附多幅实拍图像(Calibration image detection method for measuring the displacement amount of the sponge，attached pieces of real film images)

MFCC参数提取的所有程序，已接近人耳听觉的特点在语音识别领域得到广泛应用(MFCC parameter getting)

有关阵列天线的matlab仿真， 1、给出阵元的个数，阵元的间隔以及波长 2、计算方向图并绘制不同的方向图，有规律的排列 3、计算出主瓣宽度，3dB带宽，主瓣与第一旁瓣的幅度比（以dB作单位）(Array antenna matlab simulation, 1, to the number troupe, interval, and the wavelength of the array element 2, calculate the pattern and draw a different pattern, a regular arrangement of 3, calculate the width of the main lobe, 3-dB bandwidth of the main lobe and the first side lobe amplitude ratio (in dB as a unit))