任意多边形的面积计算。程序内容为北大ACM竞赛在线提交上http://acm.pku.edu.cn/JudgeOnline/problem?id=2812的源码-arbitrary polygon area calculation. Procedures for the content of Beijing University ACM Online submission on http : / / acm.pku.edu.cn / JudgeOnline / problem id = 2 th

自主设计的ARM9与DSP一起协同工作的电路板，主要是进行数字图像处理的硬件用。-the hardware is designed for picture processing which is designed by ARM-9 and DSP-5530.