expfft

向下延拓,主要针对重磁数据处理方面的,可有效的增强下延的稳定性.(Downward continuation, mainly for gravity and magnetic data processing, can effectively enhance the stability of the next extension.)

gauss-seidel算法实现对方程组的求解(gauss-seidel algorithm for the equations)

msk调制，用matlab实现msk信号(msk modulation signal using matlab to achieve msk)

LDPC编码算法, Create R = 1/2 low density parity check matrix M : Number of row N : Number of column method : Method for distributing non-zero element {0} Evencol : For each column, place 1s uniformly at random {1} Evenboth: For each column and row, place 1s uniformly at random noCyle : Length-4 cycle {0} Ignore (do nothing) {1} Eliminate onePerCol: Number of ones per column H : Low density parity check matrix(LDPC_code source Create R = 1/2 low density parity check matrix M : Number of row N : Number of column method : Method for distributing non-zero element {0} Evencol : For each column, place 1s uniformly at random {1} Evenboth: For each column and row, place 1s uniformly at random noCyle : Length-4 cycle {0} Ignore (do nothing) {1} Eliminate onePerCol: Number of ones per column H : Low density parity check matrix)

在共梯度法中 只有当初值的选取靠近最优解时 迭代才会收敛 当远离时发散 且 当精度控制为0.1时可以实现 但设为0.01时就实现不了(numeberica method)

This paper focuses on the analysis of Electromagnetic Interference Problem associated with the resonant converters because it affects their Electro Magnetic Compatibility (EMC). The principle of Electromagnetic Compatibility (EMC) is to allow a correct and optimum functioning of any electrical or electronic devices in the presence of each other. In other words, it is the right of electrical/electronic equipment to co-exist in an electromagnetic environment without disturbing each other.

matlab做的关于最短路问题的的实现。包含了2个课件。可直接使用。 (Matlab to do to achieve on the shortest path problem. Consists of two courseware. Can be used directly.)

dynamic signal analyzer

自适应滤波算法例程，包含LMS算法和RLS算法两种。(adaptive filter algorithm the MATLAB simulation)

用元胞自动机模拟博客圈里舆论的传播过程，可得到最终结果图形。(Analysis of the propagation of discussion topics in the blogosphere with CA)