fit_ellipse.m

数学公式模型的仿真，在matlab环境下把公式的图像做出来(The simulation model of mathematical formula, the formula in the matlab environment out of the image do)

通信系统中常用的脉冲编码调制PCM的matlab源代码(PCM)

详细画出了时域和频域的相关图，包括面积、周长、矩形度、伸长度，采用的是脉冲对消法。( Correlation diagram shown in detail the time domain and frequency domain, Including the area, perimeter, rectangular, elongation, It uses a pulse of consumer law.)

Contourlet变换中的隐马尔科夫树模型程序 Hidden Markov Tree model of Contourlet Transform 2008年11月14日 MATLAB2 (R2006a) 这是一个Matlab实现的隐马尔科夫树模型，用于计算图像的Contourlet系数。程序同时还包括图像去噪、纹理恢复的应用模型。(Contourlet transform the hidden Markov model procedures for Hidden Markov Tree model of Contourlet Transform 2008 年 11 月 14 日 MATLAB2 (R2006a) is a Matlab implementation of the Hidden Markov Tree Model, used to calculate the image Contourlet factor. Program also includes denoising, texture recovery application model.)

论述matlab如何与USB进行通信，绝对原创(Matlab discussed how to communicate with the USB, the absolute originality)

Sky lab calculate position of satellite in GNSS systems and calculate elevation and azimuth them and show them.

说明：  基于matlab的子程序，可以进行任意通信信号的升余弦滤波(Subroutine based on matlab, any communication signals can be raised cosine filter)

对于多项式y(i) = b0 + b1 * x + b2 * x^2 + b3 * x^3 + ...... bn * x^n 用递推最小二乘法来估计上式中的b0, b1, ..., bn(for polynomial y (i) = b0 b1 b2* x* x* b3 ^ 2 x ^ 3 ...... bn* x ^ n recursive least squares method used to estimate the on-belts, b1, ..., bn)

通过比较传统仅移相的波束与移相+理想延时的波束，来说明述S波段宽带阵列孔径渡越现象(To demonstrate the aperture effct of S_band windband array, this programe comparing the beam pattern of the traditional beamforming method "phase shifting only" with that of "phase shifting+ ideal delay".)

《有限单元法教学实习程序汇编》内容简介 汇编了四个有限单元法程序（平面刚架计算程序FEM2.FOR、平面三结点三角形单元计算程序FEM3.FOR、平面四结点等参数单元计算程序FEM4.FOR和空间八结点等参数单元计算程序FEM8.FOR）。其中FEM2.DAT、FEM3.DAT、FEM4.DAT和FEM8.DAT为四个算例的输入数据文件。为了便于读者读懂程序，对每个程序做了详细注解。(A compilation of four finite element method program (plane frame calculation program FEM2.FOR, flat three node triangular element calculation program FEM3.FOR, flat four nodes and other parameters and space unit calculation program FEM4.FOR eight nodes, etc. parameter unit calculation program FEM8.FOR). Which FEM2.DAT, FEM3.DAT, FEM4.DAT and FEM8.DAT four examples of input data files. To help readers understand the program, for each program in detail annotations.)