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This letter addresses the problem of fetal electrocardiogram (FECG) extraction. A class of source extraction algorithms is proposed, which uses a combination of two di® erent approaches: Barros s source extraction approach and HyvÄ arinen s ˉxed- point approach.

汽车动力性，燃油经济性计算,基于MATLAB计算的，汽车理论相关内容。(Automotive power, fuel economy calculation)

说明：  吴恩达机器学习课程第一次练习作业（主要关于线性规划以及其损失函数的两种计算方式）(The first exercise of wuenda machine learning course (mainly on linear programming and two calculation methods of its loss function))

说明：  是自己论文中编写的无线传感器网络中簇间路由分层次通讯方法的matlab仿真代码，可以直接出生存期图。很多论文都用这个思想。(Matlab simulation, an improved version of the leach agreement between the clusters, the passing of a hierarchical routing protocol to send a message, many papers use this thought, just write and run directly displayed a life cycle)

这是DMC2210控制卡的软件使用手册，通过该手册开发人员可以了解DMC2210控制卡的编程要求，规格等，为编程做好准备。(This is DMC2210 control card software manuals, through which developers can learn manual programming requirements DMC2210 control card, specifications, etc., to prepare for the program.)

this gives first line of a given document

sigma-delta ADC的信噪比等的计算(the calculation of SNR、SNDR and so on of sigma-delta ADC)

模型预测控制的一个小例子~Gravity Drained Water Tank(A little example in MPC ——Gravity Drained Water Tank)

Z N法进行PID控制，采用simulink进行仿真，得到最优控制参数，属于工程上的参数整定 (Z N method for PID control, using simulink simulation, get the optimal control parameters, belong to the engineering parameter setting )

beamforming, capon, 和music 三种波达方向定位算法的matlab仿真源代码。(出二维图，频率和DOA的对应关系)(beamforming, capon, and music of three DOA positioning algorithm matlab simulation source code. (A two-dimensional diagram, the corresponding frequency and DOA Relations))