Spectrum_18363_Sep_2013

The Art of Electronic 电子学（第二版 吴利民译）很经典的电子基础书籍(The Art of Electronic)

说明：  基音检测,检测出语音的基音频率，采用了小波和经典方法(base tone)

模拟两个相干的的窄带信号。阵列的阵元数为10，快拍数为200，信号入射方向分别为20°，60°，阵元间距为入射信号波长的1／2，信噪比为20dB。分别用MUSIC算法和改进MUSIC算法进行仿真。仿真结果如下图所示(MUSIC algorithm is improved compared with the simulation of signal coherent MUSIC algorithm. Two coherent analog narrowband signal. Array element number of the array 10, the number of snapshots 200, a signal incident directions, respectively 20 °, 60 °, array element spacing is 1/2 of the wavelength of the incident signal, SNR is 20dB. Respectively MUSIC MUSIC algorithm and improved algorithm simulation.)

说明：  粒子群算法求解约束多目标优化万能matlab代码。本代码是基于有约束条件的寻优问题，采用APSO可以加快寻优的速度，修改参数比较简单，目标函数和上下限根据自身的需要进行改动，，可以实现目标函数的寻优(Particle swarm algorithm for solving constrained multi-objective optimization universal matlab code. This code is based on the optimization problem with constraints. Using APSO can speed up the optimization process. It is relatively simple to modify the parameters. The objective function and the upper and lower limits are changed according to their own needs. The optimization of the objective function can be achieved.)

神经网络用于分类与回归,先产生训练样本与测试样本，每一列为一个样本( neural network for classification and regression, first create the training samples and test samples, each as a sample of)

实现surf算法的matlab代码 实现surf算法的matlab代码(Surf algorithm to achieve the matlab code)

此文件包含跳频信号的生成和脉冲干扰信号的生成，可以结合二者产生跳频脉冲信号(This file contains the frequency hopping signal generation and pulse interference signal generation, you can combine the two to produce a frequency-hopping pulse signal)

为非常经典的zs细化算法，带有测试图片和matlab程序，可对测试图片进行zs细化(is the classical zs thinning)

matlab本身没有绘制三轴曲线的命令，附件放入matlab命令文件夹中可用plotyyy命令调用(matlab triaxial curve itself does not draw commands into matlab command attachment folder available plotyyy command calls)

this matlab code presents a memory polynommial predistorter and a saleh model for the power amplifier