xianxinxiaobo-erchiduxiaobo-

在matlab环境下，基于RGB，HSV模型的图像检索技术(In the matlab envirament , picture find based on the RGB and HSV model)

matlab graphic file , axis

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说明：  对不稳定数据进行去趋势处理，得到平滑拟合曲线。(The unstable data were de trended to obtain a smooth fitting curve.)

求信号的时频熵，对非平稳信号进行emd分解后，求时频熵，得出其故障特征(For the signal s time-frequency entropy, the nonstationary signals are EMD decomposition, and time-frequency entropy, the fault feature)

simulink环境下的永磁同步电机的磁场定向控制，采用id=0的控制策略(simulink environment of permanent magnet synchronous motor field oriented control, using id = 0 control strategy)

传统music算法，六阵元均匀圆阵，远场窄带信号，方位角和俯仰角联合估计(Traditional music algorithm, six-element uniform circular array, the far-field narrowband signal, azimuth and elevation angle joint estimation of)

互质阵列中稀疏表示理论完成DOA估计算法(Coprime complete array sparse representation theory DOA Estimation Algorithm)

hilbert transform and its application

matlab 非线性优化函数fmincon测试 (fmincon function test)