Spacecraft_Engineering_Toolbox

Matlab制作的阴历阳历日历小程序，仅供练习使用，不错的小例子！！！(Matlab Gregorian lunar calendar produced a small program, only to practice the use of a good small example! ! !)

梁与钢架结构，包括平面钢架与空间钢架，混合梁单元(Beams and steel structure，Including flat steel and steel space)

基于matlab AR模型的最小二乘法实现(Matlab AR model based on least squares method)

说明：  这是一个非常好的MATLAB条形码识别程序，里面包含M程序，执行所需图片，可直接执行，对于研究条形码识别的有非常好的帮助(This is a very good program MATLAB bar code, which contains M program, the implementation of the necessary pictures, can direct the implementation of bar code identification for the study of very good help)

tiles images........................................

Matlab路网绘图代码，可以绘制路网图，自动加载路段长度信息(Matlab network mapping code, mapping the network map, automatic loading sections of the length of Information)

通信系统设计，数字带通传输系统仿真Matlab代码 1. 比较BPSK与QPSK两种调制方式的误码率和误比特率性能（注意QPSK的误码率不同于误比特率），横坐标为SNR，并与理论曲线比较，分析解释仿真图。 2. 要求使用Matlab/C语言/Matlab-simulink中的任一种工具实现。 3. 代码中每个模块都要有详细注释说明。 (Communications systems design, digital bandpass transmission system simulation Matlab code 1. Comparison of BER QPSK and BPSK modulation methods and bit error rate performance (note QPSK error rate is different bit error rate), the horizontal axis is SNR, and compared with the theoretical curve, analysis and interpretation of simulation map. 2. requires the use of Matlab/C language/Matlab-simulink any one tool to achieve. 3. The code of each module must have a detailed explanatory notes.)

设一个小孩在平面上沿着某曲线行走，此曲线由时间参数曲线确定。假设小孩借助于一个长度为 的硬木棒拖着或推着一个玩具，试求玩具的平面轨迹。-set up a child in a plane curve walk along this curve by the time parameter curve. Using a hypothetical child for the length of the hard wooden dragging or pushing a toy, toys trial for the plane trajectory.

对样本进行主成分分析： 把原来多个变量划为少数几个综合指标的一种统计分析方法，是一种降维处理技术(Principal component analysis on the samples: the original more than one variable is designated as a few indicators of a statistical analysis method, a dimensionality reduction processing technology )

用MATLAB语言编写的程序，称为M文件。M文件可以根据调用方式的不同分为两类：命令文件(Script File)和函数文件(Function File)。 (Using MATLAB language program, known as the M file. M files can be grouped into two categories: call command file (Script File) and function (Function File) file. )