The program for the demonstration of a simple procurement system prompt file to...

最小平方反褶积的相关程序，可用于相关地震资料的处理和分析(Least squares deconvolution procedures, can be used for correlation of seismic data processing and analysis)

锁相环芯片ADF4351的控制程序，调用非常方便(fan yi bu liao a。。。。。)

stk在计算机仿真中的应用，STK卫星工具包软件，是航天工业领先的商品化分析软件。STK可以快速方便地分析复杂的陆、海、空、天任务，并提供易于理解的图表和文本形式的分析结果，确定最佳解决方案。它支持航天任务周期的全过程，包括政策、概念、需求、设计、制造、测试、发射、运行和应用。(stk )

本程序针对无人机室内定高及避障，采用高精度超声波定高，TFMINI-PLUS激光雷达定位。通过串口一接受激光雷达数据，串口二接受超生波数据。然后将数据解码将两组数据通过串口三进行与飞控主芯片数据传输

里面有一个串口的读写维护的通用类,具有自动监视串口的功能,当发现串口有数据时会通知使用者,使用者收完数据后,通知本类继续监视串口,这是一个很好的功能.

mbed是一个面向ARM处理器的原型开发平台，它具体包括免费的软件库（SDK），硬件参考设计（HDK）和在线工具（Web）三部分内容，各个部分的具体介绍如下：SDK：mbed设计了一个硬件抽象层，从而屏蔽了不同mcu厂商提供了微处理之间的差异，对于用户来说，他只需要和这个硬件抽象层打交道即可，也就是说，用户基于mbed开发的应用可以很方便地更换使用不同厂商的arm微处理器，从而留给用户更多的选择。

基于matlab的源程序，用于绘制非线性方程杜芬方程的庞加莱截面(Based on matlab source program, is used to draw the poincare section of nonlinear equations-duffing equation)

基于Skyline的c#二次开发程序2-DynamicObject(Based on Skyline' s second development program c#)

poj 3941 Hideyuki is allowed by his father Ujisato some 1000 yen bills every month for his pocket money. In the first day of every month, the number of bills is decided as follows. Ujisato prepares n pieces of m-sided dice and declares the cutback k. Hideyuki rolls these dice. The number of bills given is the sum of the spots of the rolled dice decreased by the cutback. Fortunately to Hideyuki, Ujisato promises him to give at least one bill, even if the sum of the spots does not exceed the cutback. Each of the dice has spots of 1 through m inclusive on each side, and the probability of each side is the same. In this problem, you are asked to write a program that finds the expected value of the number of given bills. (poj 3941 Hideyuki is allowed by his father Ujisato some 1000 yen bills every month for his pocket money. In the first day of every month, the number of bills is decided as follows. Ujisato prepares n pieces of m-sided dice and declares the cutback k. Hideyuki rolls these dice. The number of bills given is the sum of the spots of the rolled dice decreased by the cutback. Fortunately to Hideyuki, Ujisato promises him to give at least one bill, even if the sum of the spots does not exceed the cutback. Each of the dice has spots of 1 through m inclusive on each side, and the probability of each side is the same. In this problem, you are asked to write a program that finds the expected value of the number of given bills.)

本资料主要是关于ULN2003如何驱动步进电机，里面有关于uln2003模块的详细介绍，另外包含有基于C51单片机的控制代码例程，读者可以下载学习，能很好地学习关于步进电机方面的知识，能够很好地上手。开发软件是单片机开发的常用软件keil（MDK）。