A1_4

Being able to place a lower bound on the variance of any unbiased estimator is very useful

说明：  使用buck变换器实现最大功率点跟踪MPPT，给电池充电。(Use the buck converter to realize the maximum power point tracking MPPT and charge the battery.)

用matlab实现ofdm信号和它的累积分布函数代码(Using matlab ofdm signal and its cumulative distribution function code)

MATLAB仿真产生LFM信号模糊函数的三维图和等高图(MATLAB simulation to generate a three-dimensional map of the LFM signal ambiguity function and contour map)

QDPSK方面的仿真，可以供大家学习参考，还不错，可以看看，仅供参考(QDPSK aspects of simulation, everyone can learn reference, well, you can see, for reference purposes only)

维特比译码算法的实现，以及卷积码译码的误码率性能分析(Viterbi decoding algorithm, as well as the BER performance of the convolutional code decoding)

Decorrelated fast cipher source code from state technical university in Russia

这是一个关于部分傅立叶变换的Matlab程序，有事没问题，大家共同讨论啊 ！(This is a Fourier transform on the part of the Matlab program, something no problem, we discuss ah!)

说明：  太阳能光伏电池的matlab/simulink 仿真模型，通过编辑s函数实现，可以对光伏特性进行仿真(Solar photovoltaic cells matlab/simulink simulation model, by editing the s function implementation, you can simulate the characteristics of PV)

本文对传统方法与MATLAB编程方法进行了比较，研究了用MATLAB实现巴特沃斯滤波器的设计，只要改变程序中相应 的参数可以很容易地实现低通、高通、带通、带阻滤波器，简化了模拟滤波器的设计。(Filter Design using matlab )