first_experiment

用matlab实现信号的数模转换 和模数转化(With matlab to achieve signal digital-analog conversion and analog to digital conversion)

本代码介绍了OFDM/OQAM 多径信道下，理想信道估计的系统仿真，给出了不同信噪比下的ber性能。介绍了多载波系统的均衡。(This code describes the OFDM/OQAM multipath channel, system simulation, ideal channel estimation, given the ber performance under different signal to noise ratio. The equilibrium of the multi-carrier system.)

说明：  Copula理论及应用实例，主要是用函数计算两个相关变量的相关性，并生产相关性样本(Copula theory and application examples, mainly use function to calculate the correlation of two related variables, and produce correlation samples.)

matlab串口小助手 可以直接接受下位机串口数据 并绘图(matlab serial assistant can directly accept the the lower machine serial data and drawing)

QPSK平台上的载波频偏经典估计算法实现，和估计出来之后进行补偿然后解调，统计误码率(QPSK frequency offset error data MSE SNR)

说明：  DS-CDMA的MMSE算法程序，给出了不同信噪比下的BER性能比仿真曲线。(DS-CDMA of the MMSE algorithm program are given under different signal to noise ratio curve of BER performance than emulation.)

说明：  此程序为预测人口在增长的模型，能够有效的预测未来几年的人口数量(This program is a model for predicting population growth, and can effectively predict the number of population in the next few years.)

模拟小孔或者圆形柱体结构的三维仿真图像，白光入射下的散射分析(Three-dimensional simulation image simulation holes or circular cylindrical structure, under incident white light scattering analysis)

说明：  计算油膜压力子程序，应用matlab编程，已经验证过，可靠。(Calculate oil film pressure)

说明：  ldpc最小和译码算法，能够有效完成译码(LDPC minimum sum decoding algorithm can effectively complete decoding)