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We formulate a scheduling problem that takes into account different hardware delays experienced by the secondary users (SUs) in a centralized cognitive radio network (CRN) while switching to different frequency bands. We propose a polynomial-time suboptimal algorithm to address our formulated scheduling problem. We evaluate the impact of varying switching delay, number of frequencies, and number of SUs. Our simulation results indicate that our proposed algorithm is robust to changes in the hardware spectrum switching delay and its performance is very close to its upper bound. We also compare our proposed method with the corresponding constant switching delay-based algorithm and demonstrate that our suggestion of taking into account the different hardware delays while switching to different frequency bands is essential for scheduling in CRNs.

用matlab中m文件写的中值滤波器，配合界面设计的程序使用，是其中的一个子函数(M using matlab in documents written by median filter, coupled with the procedures for the use of interface design, is one of Functions)

利用matlab软件，根据蛇形算法，把车辆从图中检测出来，达到母的(Using matlab software, the snake-like algorithm, to detect the vehicle from the figure reached mother)

利用matlab进行滑动平均法消除趋势项(Using matlab trend term moving average method to eliminate)

watermarking using lsb replacement

PCA主成分分析用于人脸识别，提取特征值特征向量。有ORL人脸库。(PCA principal component analysis for face recognition, extraction Eigenvalue eigenvector. Have ORL face database.)

Some informations about SonyEricsson GM47 GSM module and suitable antennas.

DTT编码程序 经过本人测试绝对好用 用了停不下来

说明：  利用DACE工具箱中高斯过程做全局优化,适用于复杂非线性模型(Surrogate model optimization algorithm for computationally expensive global optimization problems)

Buck Boost converter simulink model