timefrequencyanalysis

灰色神经网络的预测算法—订单需求预测matlab源代码(Gray neural network prediction algorithm- order demand forecast)

关于kl变换在matlab上的实现，做人脸识别可以用到。(KL transform, matlab realize)

产生雷达巴克码（Barker）信号，码内线性调频（LPM）。 RD_wave_mix.m 产生Baker码信号函数 test_wave_mix 测试函数(The Barker code (Baker code) radar signal, linear frequency modulation (LPM). RD_wave_mix.m Baker generated code signal function test_wave_mix test function)

说明：  画n角星,其中n为大于5的奇数(偶数可以看成两个奇数角星的叠加) 比如6角星,可以看成两个三角星的叠加(Plotting and filling n-pointed star, in which n is an odd number greater than 5)

PSO BASED MPPT CONTROLLER FOR SOLAR PANEL

说明：  离散傅里叶变换，开发环境是MATLAB。(Discrete Fourier Transform, the development environment is MATLAB.)

说明：  提供图形标记的用户界面，按照用户要求改变标记类型。(Provide graphical user interface tags, in accordance with the user to change the tag type.)

finite difference scheme for simple harmonic oscillator

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.)

PCA的原代码，绝对好使，大家用了就知道~~~希望对大家有帮助(the original code, absolutely so, we have spent know ~ ~ ~ hope to be helpful)