AM_and_FM_modulation

DQPSK仿真程序，包含调制解调、性能分析(DQPSK simulation program, including modulation and demodulation, performance analysis)

谱减法语音增强，包含基本谱减法，多带谱减法，以及自适应谱减法。(Spectral subtraction speech enhancement, contains the basic spectral subtraction, multi-band spectral subtraction, and adaptive spectral subtraction)

卡方检验，通过matlab输入理论频数，直接得出检验结果(Chi-square test, through matlab input frequency theory, the test results obtained directly)

Matlab计算器功能实现，包括Matalb源程序 (Matlab calculator function realization, including Matalb source)

比较QR分解算法与迫零算法的误码率，支持BPSK调制和QPSK调制，天线数量可以选择(Compare QR decomposition algorithm and zero forcing algorithm BER)

设计低通数字滤波器，要求在通带内频带低于 时，允许幅度误差在1dB以内(Design of digital low pass filter, requirements in the passband frequencies below, allow a margin of error of less than 1dB,)

Evop algorith for optimization

LG Monitor user s guide L1730S&L1930S

这是一个光伏并网逆变器的仿真，结果良好。希望对学习的人有用(This is a photovoltaic inverter simulation,the results is good)

matlab使用手册,非常实用,超级好用. (matlab manual, very practical, super-easy to use.)