dmath

说明：  本书的内容包括求解方程组、插值、微分方程及一系列。每章都有实例以帮助读者了解相关应用领域。并有一些matlab的代码，和题目的参考答案。(The content of this book includes solving equations, interpolation, differential equations, and a series. Each chapter has examples to help readers understand the relevant application areas. And there are some matlab codes, and reference answers to the questions.)

讲述了用proel进行电路板设计的具体流程，以及每一步的优化。-Proel carried out on the circuit board with the design of specific processes, as well as the optimization of each step.

说明：  用于计算面齿轮传动的误差分析，同时能够计算齿轮的啮合刚度，分析出传动精度(It can be used to calculate the error analysis of face gear transmission and the meshing stiffness of gears, and to analyze the transmission accuracy.)

keil简单入门书籍,适合于新手入门使用......(Keil simple introductory books)

是一个小小的吹泡泡程序。不过吹出来的泡泡可以根据自己喜欢的颜色进行改变一下代码-it is a small bubble blowing procedures. But blowing the bubble can be their favorite color code change

搭建了一个弹簧质量块阻尼系统模型，用于验证在阻尼作用下，弹簧的振动过程(A spring mass damping system model was built to verify the vibration process of the spring under damping.)

将笛卡尔坐标系上的点定义为一个服务类Point，Point类提供求得坐标系上两点间距离的功能、获取和设置坐标的功能、获取极坐标的功能，和完成对已创建的Point类对象统计功能。设计测试Point服务类的应用程序主类，测试并显示输出提供功能的结果。(求以点(1,1)为极坐标原点，点(5,5)的极坐标)-Will be a point on the Cartesian coordinate system is defined as a service class Point, Point class provides coordinates obtained on the function of the distance between two points, access and set coordinates, polar coordinates to obtain functions, and the completion of the Point that have been created class object statistical functions. Design Test Point service class application" s main class to provide functionality to test and display the output results. (Seeking to point (1,1) to polar coordinates origin point (5,5) in polar coordinates)

在fluent里添加udf可监测测点压力，点可移动或者静止。(Monitor point pressure)

说明：  能够对一段数据进行med处理，对一段信号降噪进行降噪处理，减少噪声对信号的影响，使信号在之后的处理中其故障特征频率能更好地表现出来。(It can process a section of data with MED, reduce the noise of a section of signal, reduce the impact of noise on the signal, and make the fault characteristic frequency of the signal better show in the subsequent processing.)

说明：  vehicle detection using hog features