matlab-robotics

说明：  BPSK,Pi/4DQPSK,16QAM调制解调的实现：实现具体的调制解调功能(BPSK, Pi/4DQPSK, 16QAM modem realization: the realization of specific functions of modulation and demodulation)

说明：  bistativ simulation in synthetic aperature radar

digital signal processing project

Display the analytic solution of the 2D Helmholtz equation for a dielectric cylinder (i.e. the scattered field and the transmitted field). You can specify the following parameters: radius, wave number outside and wave number inside the cylinder.

vectline "vector field line plotter" Depending on the dimension of coordinate axis, vectline can plot both 3D and 2D vector field line.(vectline "vector field line plotter" Depe nding on the dimension of coordinate axis, vectline can plot both 3D and 2D vector field lin e.)

基于混沌的JPG图像加密系统，使用MATLAB实现的，带界面，适用于课程设计(JPG image encryption based on chaotic system using MATLAB to achieve, with the interface for curriculum design)

matlab code for different windows like hanning window, kaiser window, desimator generator

是信号处理的基础，小波包分析提取振动信号中的特征频率，用平面波展开法计算二维声子晶体带隙。( Is the basis of the signal processing, Wavelet packet analysis to extract vibration signal characteristic frequency, Computation Method D phononic bandgap plane wave.)

说明：  its matlab code used for design an H2 control system

脉冲编码调制(PCM)实现 编程实现PCM技术的三个过程：采样、量化与编码。 采样：低通连续信号采样，以 x=sin(200*t) m=x./(200*t) m=m.*m 为例说明低通采样定理，绘出信号时、频图形；带通连续信号采样，以x=sin(20*t) m=x./t 为例说明带通采样定理，绘出信号时、频图形。 量化：均匀量化，以幅度 的正弦信号为例实现为64级电平的均匀量化；非均匀量化，输入A律PCM编码器的正弦信号 ，采样序列为 ，将其进行PCM编码，给出编码器的输出码组序列 编码：以上述信号为例，实现A律的13折线近似法及国际标准PCM对数A律量化编码。(Pulse code modulation (PCM) to achieve PCM technology programming three processes: sampling, quantization and coding. Sample: low-pass continuous signal sampling to x = sin (200* t) m = x./(200* t) m = m.* m an example low-pass sampling theorem, draw the signal, frequency graphics bandpass sampling continuous signals to x = sin (20* t) m = x./t an example bandpass sampling theorem, draw the signal, frequency graph. Quantization: uniform quantization, in order to realize the magnitude of sinusoidal signal as an example for the 64 level uniform quantization non-uniform quantization, input A law PCM encoder sine signal, the sampling sequence, to be PCM encoded, the encoder is given The output code sequence Code: A Case Study of the signal to achieve the 13 A line approximation law and international standards on the number of A law PCM coding quantization.)