mohukongzhiqisheji

产生随机比特流 并进行2ASK 2FSK 2PSK 2DPSK调制(Generate random bit stream and make 2ASK 2FSK 2PSK 2DPSK modulation)

describes Fourier Series representation of square wave signal.

契比雪夫数字滤波器对心电信号进行数字滤波，采用零相位数字滤波，比较好的去处了基线漂移，比较适合于ST段的检测(the source program is about digital filter of Ecg signal ，we design a Chebyshev digital filter，we are satisfied about the results， succeeding in removing the baseline driftso be glad to share with you，)

采用以下四种格式：中心差分、一阶迎风、混合格式和QUICK格式对一维稳态无源项的对流-扩散方程进行求解(The following four formats: central difference, the first order upwind, QUICK format mixed formats and one-dimensional steady-state passive entry of convection- diffusion equations were solved)

program in matlab code

smart antenna Genetic algorithm

Harmony Search Algorithm

说明：  本程序为改进后的基于matlab实现的准正交空时分组码的仿真算法，可以分析系统性能(This procedure is based on matlab to achieve improved quasi-orthogonal space-time block code simulation algorithms can analyze system performance)

在matlab下如何调用c语言编写的程序，包括编译器的选择和设置(In matlab how to call the c language program, including the compiler options and settings)

加性高斯白噪声信道条件下的QPSK信号的调制与解调，观察了调制信号的功率谱图，输入输出信号图，已经时间误码率图与理论误码率的比较(Additive white Gaussian noise channel under the conditions of the QPSK signal modulation and demodulation, observed power spectra of modulated signals, input and output signal maps, plans have been time and theoretical bit error rate BER Comparison)