采用等精度测频原理的频率计
要求:
设计一个用等精度测频原理的频率计。
频率测量测量范围1~9999;
其精度为 ;
用4位带小数点数码管显示其频率;
并且具有超量程、欠量程提示功能。-With equal precision frequency measurement principle of the frequency of meter requirements: design of a frequency measurement with the principle of equal precision frequency counter. Frequency Measurement Measuring Range 1 ~ 9999 its accuracy with four with a decimal point LED display its frequency and has a super-range, less range prompts.
arm9200的开发手册,讲述了怎么样在ARM9200和LINUX下开发应用系统 。-arm9200 the development of manuals about how to ARM9200 and LINUX in the application system under development.
纠正网上流传的绝大多数错误的硬盘安装方法,这是本人经验的结晶,可以节省您许多时间。-To correct the vast majority of Internet spread the error of hard disk installation method, which is the crystallization of my experience, I can save you a lot of time.