143069173pll

一种基于小波变换的灰度数字水印嵌入算法,使用matlab实现，含有原始论文。不过不是很理想，希望大家改进(Gray-scale based on wavelet transform digital watermark embedding algorithm, using matlab implementation, containing the original papers. But not very good, hope that we improve the)

给出一个具体PWM逆变器的仿真实例，通过仿真 ，可以得出实际运行中的电压、电流的波形 (Give a specific instance of PWM inverter simulation, simulation can be drawn from the actual operation of the voltage and current waveforms)

说明：  用DFT计算连续信号的谱 通过应用 DFT 进一步加深对离散信号 DTFT 和 DFT 的概念及其相互关 系的理解。 =利用 DFT 计算连续周期信号的频谱(DFT calculations using a continuous signal by applying the DFT spectrum of discrete signals to further deepen the concept of DTFT and DFT and their mutual understanding of the relationship. = DFT calculations using a continuous spectrum of periodic signals)

说明：  用于计算任意波形fft结果的Matlab工具(A matlab tool for wave fft calculating)

a code which serves to form an erlang c table

order your file with their different name, especially for pictures, in matlab

说明：  利用matlab编写的基于计算机声卡的虚拟仪器，含信号发生器、示波器和频率计，并利用matlab中guide可视化编程实现了界面操作。(Matlab prepared using computer sound card based virtual instrument, with the signal generator, oscilloscope and frequency meter, and use visual guide matlab programming in the interface operation.)

混沌模型Hennon序列产生程序，用于仿真分析混沌序列对初值的敏感性(Chaotic model Hennon sequence generation program for simulation of the sensitivity of chaotic sequences on initial)

2D FDTD in a unitless space with open boundary with matrix update instead of for loops

说明：  低密度奇偶校验码（LDPC）的matlab仿真(Low Density Parity Check (LDPC) of matlab simulation)