PLL_System_Sim_for_matlab

基于MATLAB的语音信号的调制和解调，包括画出各个阶段的语音时域和频域图形(Matlab-based voice signal modulation and demodulation, including draw stages of time domain and frequency domain speech)

说明：  一个计算海天背景的工程模型。由matlab编写(A calculation of the engineering model of the sea and the sky background. Prepared by the matlab)

确定圆形目标：读取图像并转化为二值图像，(Determine the circular target: read image and converting it into binary image,)

MATLAB计算计盒维数程序,国外网站找的，挺不错的(Calculation of box fractal dimension using MATLAB)

全球逆变器的领路人，此资料主要提供了其详细的应用及相应的主要事项。(The global inverter Leading this data provides a detailed application and corresponding major issues.)

无线通信系统发射端仿真中，脉冲成型滤波器。是一种根升余弦滤波器。(A pulse shaping filter in the wireless communication system. It is a root raised cosine filter.)

pde图像画出的一个偏微分方程的图形，用以表示污染物传递(pde partial differential equation image to draw a graph)

为matlab中求解非线性方程组用到的惩罚函数法，相关研究者可以学下(Penalty function method for solving nonlinear equations used for matlab related researchers can learn)

DVB_S2_LDPC整体累积编码算法文档(DVB_S2_LDPC overall cumulative encoding algorithm document)

分析并实现了跳频信号的检测方法，用程序给出仿真结果(Analysis and implementation of frequency hopping signal detection method, using the program simulation results)