06 2008 档案

摘要：LTE and WiMax may be two peas in an OFDM pod, but they are not twins. Here are three significant differences: 1. Both use orthogonal frequency division multiple access (OFDMA) in the downlink. But Wi... 阅读全文

摘要：Notes from the book Vehicle Location and Navigation Systems. I will try to update as I going through the book :) 阅读全文

摘要：调用DLL有两种方法：静态调用和动态调用. (一).静态调用其步骤如下: 1.把你的youApp.DLL拷到你目标工程(需调用youApp.DLL的工程)的Debug目录下; 2.把你的youApp.lib拷到你目标工程(需调用youApp.DLL的工程)目录下; 3.把你的youApp.h(包含输出函数的定义)拷到你目标工程(需调用youApp.DLL的工程)目 录下; 4.打开你的目标工程选中... 阅读全文

摘要：在程序开发过程中不断会碰到不同timestamp的转换,在这里做一个总结: 一.时间类型间的转换: 1.time_t 转 FILETIME FILETIME ft; LONGLONG ll = Int32x32To64(t, 10000000) + 116444736000000000; ft.dwLowDateTime = (DWORD) ll; ft.dwHighDateTime =... 阅读全文