ditonglvboqi

世博会城市距离模型，主要来算球面的最近距离，曲线到点的距离等(Expo City distance model, the main sphere to the most recent count from the curve the point of distance)

matlab程序　信息论　算术编码及其译码程序(arthemetic)

通信中的，调制，扩频，解扩，解调，全过程的matlab程序(Communication, modulation, spreading, despreading, demodulation, the whole process of the matlab program)

Matlab codes for creating circular array

序列Lloyd算法，对一个正弦信号数据进行标量量化(Sequence Lloyd algorithm, for a sinusoidal signal data Scalar quantization)

基于matlab的最佳基带传输系统仿真(升余弦滚降系统)(the best base-band transmission system simulation (or cosine roll-off system))

3 fisrt parts are: Download the file Square.tif and answer the following questions: i. Smooth the image with a 3 􀵈 3 spatial filter. ii. Smooth the image with an implementation of Gaussian filter in frequency domain. Change the bandwidth of the filter and show how these changes affect the result.

Matlab初学者入门教材，轻松掌握Matlab的教材之一(Matlab beginners introductory textbook, easily mastered one of the textbooks in Matlab)

Obtain Quadrature Amplitude Modulation. Plot its BER vs SNR curve at different amplitudes.

依次输入三个函数即可，若想修改全排列矩阵的大小，可在MATLAB中打开tianchongJ修改(Input function can be followed by three, if amendments to the whole matrix with the size, can be opened in MATLAB to amend tianchongJ)