chaoliujisuan

罚函数法将有约束最优化问题转化为求解无约束最优化问题。在此给出罚函数法Matlab源程序(Penalty function method will be constrained optimization problem into solving unconstrained optimization problems. This gives the penalty function method in Matlab source)

比特加载技术相关算法，包含Fischer算法，贪婪算法以及chow算法。(bit loading algorithm, include Hughes-Hartogs Algorithm, Fischer Algorithm and chow algorithm)

说明：  Matlab时频分析技术及其应用中的源代码(Matlab time-frequency analysis technology and its application in source code)

tsp aco algorithm with simulation

二维正态分布的检验函数，如果需要进行二维正态分布的检验，在你的程序运行前运行此程序，就可直接调用函数功能。(Dimensional normal distribution test function, if you need a two-dimensional normal distribution test, run your program before you run this program, you can directly call the function function.)

说明：  单相光伏并网系统，逆变器采用dq下的PI控制。包含SIMULINK 2012-2018所有版本(For single-phase photovoltaic grid connected system, PI control under DQ is adopted for inverter. Include all versions of Simulink 2012-2018)

VBLAST的QR实现，包括维特比软译码 以及软解调 严格按照802.11构建(VBLAST of QR implementation, including the Viterbi soft decoding and soft-demodulator constructed in strict accordance with the 802.11)

这组代码模拟了整个信号的编码，调制，解调，译码在无线通信，其中包括A-law扩展，PCM和的2PSK调制解调的技术过程。(This collection of codes simulates the whole signal encoding, modulation, demodulation, decoding process in wireless communication, which involves the techniques of A law companding, PCM, and 2PSK modulation and demodulation.)

基于C语言的PID功能实现，用c语言编写的PID算法(PID function based on the C language implementation)

利用正弦信号作为发射信号，分别在AWGN和瑞利信道中，计算CR中的检测概率和虚警概率，并绘图。(Sinusoidal signal as transmitted signal, respectively, in AWGN and Rayleigh channel, calculate the probability of detection and false alarm probability of CR and drawing.)