bshp

vigenere密码在起初的破译中是靠穷举法，找出与阅读习惯最适合的明文，但是也可以先缩小穷举范围，再查找(vigenere initial crack passwords by brute-force method is to identify the most suitable and clear reading habits, but can also be reduced exhaustive range, and then find)

GUI Fourier series representation

1、设计一个62阶低通滤波器，采样频率为9kHz，通带截止频率为3kHz，要求阻带最小衰减50dB。 2、将滤波器系数输出到txt文本文档。 (1, the design of a 62-order low-pass filter, the sampling frequency is 9kHz, passband cutoff frequency of 3kHz, requires a minimum stopband attenuation 50dB. 2, the output of the filter coefficients to txt documents.)

说明：  利用蒙特卡洛方法来计算信噪比与误码率的关系(Monte carlo method is used to calculate the relationship between SNR and bit error rate)

经验模式分解，emd，船舶极短期运动预报(Empirical mode decomposition, emd, ship motion prediction of extreme)

contrast foe image in matlapb

2PSK和 2DPSK信号的调制与解调性能比较分析 基于matlab的仿真(Comparative analysis of modulation and demodulation performance and 2DPSK signal 2PSK)

Matlab 的图形化界面设计，主要功能包括打开一幅图像，并对其进行二值化处理，显示结果。(The GUI of matlab.It can open an image and use the method of mage binaryzation to process it.At last,give us the result.)

series connected 3 phase induction motor drive

Simulation fo Modsl referance adaptive controller for a first order system in matlab