DISPATCH

Neighborhood rough set based feature evaluation and reduction

fsk 使用matlab进行二进制振幅调制(fsk using matlab binary amplitude modulation)

Simulates protection levels for GPS precision approach and landing

GMDH_main为GMDH主函数； variable_Combin为输入层初始变量选为x1,x1^2,x1*x2,x2^2,x2时的输入变量矩阵值 variable_select计算X_train训练输入数据,Y_train训练输出数据,X_test测试输入数据,Y_test测试输出数据 Combin为求变量的两两组合 Sym_Combin为求符号变量的两两组合 PE_AIC求每层各神经元的参数估计W，及训练数据在参数估计后估计的输出out_train，测试数据在参数估计后的估计输出out_test，还有与实际比较的误差平方和PESS， 以及准则值AIC sym_representation求最终的输入输出符号表达式 Criterion_value求准则值 (GMDH_main main function for the GMDH variable_Combin initial variables chosen for the input layer, x1, x1 ^ 2, x1* x2, x2 ^ 2, x2 the value of the input variable matrix calculation X_train variable_select training input data, Y_train training output data, X_test test input data, Y_test for the sake of the test output data Combin pairwise combination of variables for the sake of symbolic variables Sym_Combin pairwise combinations PE_AIC neurons find each parameter estimation of the W, and after the training data is estimated in the estimation of output out_train, test data After the parameter estimates of the output estimated out_test, also compared with the actual sum of squared errors PESS, as well as the final criterion value AIC sym_representation seek the input and output values ​ ​ of symbolic expressions Criterion_value find criteria)

提供直扩系统的跟踪环路的matlab程序，并对其误差进行分析(Direct expansion system to provide tracking loop matlab program, and its error analysis)

在Matlab环境中，使用高阶有限差分算法实现双相介质地震波场正演模拟(Forward modeling for two-phase media)

使用m语言完成的关于CTC（Convolutional Turbo Code）编码方案(CTC decoding algorithm)

这是采用场磨式电的场仪在雷电监测预警系统中的研究与应用，很有参考意义。(This is the use of field mill type electric field instrument in lightning monitoring and warning system in the research and application, great reference significance.)

this file contain simple example about (dsss) TX and RX channel with bit error rate and processing the received signal with different effect signal to noise ratio...........

From the partial fraction expansion of H(z) we can find a, b