产生北斗b1频点信号

matlab矩阵与数值计算的10个算例，清晰有注释，适合初学者(10 examples of MATLAB matrix and numerical calculation, clear and annotated, suitable for beginners)

定义日期类Date。要求： （1）可以设置日期； （2）日期加一天操作； （3）输出函数，输出格式为“XXXX年XX月XX日”； （4）编写主函数，定义对象，完成相应功能。 (The definition of the date of type Date. Requirements: (1) can set the date (2) date-plus-one operation (3) the output function, output format for the " XXXX in XX on XX date" (4) the preparation of the main function, the definition of the object, the completion of the corresponding function.)

说明：  一个可以生成标准翼型坐标，并对翼型在不同攻角下进行升力系数及阻力系数计算的软件。(Can generate a standard airfoil coordinates, and the airfoil at different angle of attack carried out under the lift coefficient and drag coefficient calculation software.)

最新的机器人包，放到matlab的文档中，软件中解压即可(The latest robot package is placed in the MATLAB document, which is decompressed in the software.)

说明：  用于热爱用源代码开发一系列的小程序，开源代码来激发兴趣啊啊啊啊(For love to develop a series of small programs with source code, open source code to stimulate interest ah ah ah ah ah ah ah ah ah ah ah ah ah)

简繁体转换的小程序，带源码，很简单，给初学者学习用(Simplified and traditional conversion of small procedures, with source code is very simple to use for beginners to learn)

SystemPrescription Data

《测量平差程序设计》（宋力杰编著）一书的源码(" Surveying Adjustment Program Design" (Song Lijie eds) source)

说明：  NodeMcu Ｌ293Ｄ　电机驱动扩展板，使用方法(Node McuL293D Motor Drive Extension Board, Use Method)

Java毕业设计实例源码，一个院校本科生的毕业设计作品，附有Java源码和相关资料，作者还为这个毕业设计起了一个好听的名字叫：KnightTour，有兴趣的下载这个源码包吧。