thesis

说明：  能够清晰的分析线性调频信号的频谱特性，能够很好的帮助理解lfm信号(Can clear analysis of linear FM signal spectrum characteristics, can be very helpful in understanding LFM signal)

LDPC BP译码算法在MATLAB中直接使用就行(matlab BP decoding)

轴承外环故障诊断，故障设置为外环局部剥落，故障特征频率为外环通过频率或倍频理论计算得到475.6Hz.(Bearing outer ring fault diagnosis, fault set to the outer ring local spalling, the failure characteristic frequency for the outer ring through the frequency or frequency theoretical calculations 475.6Hz.)

说明：  考虑拉曼散射的matlab仿真，可用于对于光在光纤中传播的子程序。(Matlab simulation considering Raman scattering can be used as a subroutine of fiber laser simulation.)

将idl的程序用于matlab中，使程序具有通用性(idl to matlab)

The function of channel estimation is to form an estimate of the amplitude

利用MATLAB中的GUI（图形用户界面），实现图像的平移，旋转，压缩等变换，是效果更加明显。(In MATLAB GUI (graphical user interface), to achieve image translation, rotation, compression transformation, is the effect is more obvious.)

直扩频通信中的伪码仿真及其matlab仿真(Direct Spread Spectrum Simulation and matlab simulation of pseudo code)

这是有关遗传算法的，在学习工作中都很实用，尤其是数据分析的时候，相信会对大家有所帮助(This is the genetic algorithm, in study and work in very useful, especially when the data analysis, we believe it will help)

说明：  基于有限元理论的相关程序，都可以运行！同时包括多种数值计算方法，可供参考。(Relevant programs based on finite element theory can run!)