读取lidar数据las文件

键是一种标准零件,通常用来实现轴与轮毂之间的周向固定以传递转矩，有的还能实现轴上零件的轴向固定或轴向滑动导向。在键连接设计时，间的高度和宽度根据轴的直径d选取，而键长L则根据轴上零件轮毂宽度B而定，通常L=B-（5—10）mm。键的尺寸确定后，再进行强度校核。而为了保证绝对安全，键的尺寸取值往往都趋于保守，所选键的尺寸大。本程序采用优化设计方法，在满足强度要求的前提下求出键的最小结构尺寸，证明键宽b和键高h的取值可以小于标准值。(Key is a standard part, often used to achieve between shaft and hub to transfer torque to a fixed week, and some can achieve a fixed axis or axial parts of the axial sliding direction. Key connection in the design, height and width between the shaft diameter d according to selection, and the bond length L is based on the width of the wheel shaft parts B and, typically L = B-(5-10) mm. Key size is confirmed, then strength check. In order to guarantee absolute security, key size values ??are often conservative, the size of the selected key to big. The program uses optimization methods to meet the strength requirements of the derived key premise of the minimum structure size, proved key width b and height h of the key values ??can be less than the standard value.)

stc12系类51单片机，郑南fat文件系统，可读取sd卡内的文件，驱动oled显示屏和外部flash字库

MAX6675 的说明文件，用于温度采集方面很好用，电路简单，温度准确。(MAX6675 documentation, for the temperature acquisition with good, simple circuit, accurate temperature.)

设计一个电压测量 设计一个电压测量 设计一个电压测量 设计一个电压测量 与脉宽调制信号输出设备 与脉宽调制信号输出设备 与脉宽调制信号输出设备 与脉宽调制信号输出设备 与脉宽调制信号输出设备 与脉宽调制信号输出设备 ，设备能够检测 模拟信号输入，并根据设备能够检测 模拟信号输入

MATLAB temperature fieldMATLAB temperature field

图书管理系统版本2，界面华丽，双十字链表实现，功能丰富(Book Management System Version 2, interface gorgeous, double-cross linked list implementation, feature-rich)

c++语言实现拓扑排序。由中山大学软件工程大一下学期编写(c++ language topological sort. Written by Sun Yat-sen University Software Engineering semester)

单文档绘图工具，包括直线，曲线，扇形，圆形，圆角矩形，矩形等图形，还可以设置线条的颜色等属性。(Single document drawing tools including lines, curves, fan-shaped, round, rounded rectangle, rectangle and other graphics, you can also set the line color and other attributes.)

雷达数据采集，日本urg-0.8包，采集2D数据，将雷达测出的长度信号转换成图形数据显示，库包里有C库以及c++库。((Radar data acquisition, Japan urg 0.8 package, 2 d data, the radar to measure the length of the signal into graphic data shows that there are C library and the library of C++ library package.))

说明：  常用算法包括第一类整数阶贝塞耳函数，积分刚性方程组的吉尔方法，计算多重积分的高斯方法，快速傅利叶变换，离散随机线性系统的卡尔曼滤波，切比雪夫曲线拟合的c语言算法(failed to translate)