针对现有SMTP(simple mail transfer protocol)中接收方被动接收信息的缺点,设计一种新型反垃圾邮件系统。该系统通过设计改进型DMTP(differentiated mail transfer protocol),减少不必要的网络流量;通过引入云计算机制,减小传统反垃圾...
Project supported by the National Natural Science Foundation of China (Grant Nos. 61173122, 60970098, 60803024, 90715043, and 61144006);the Postdoctoral Startup Foundation of Central South University, China (Grant No. 1332/74341016030)
In Fourier transform profilometry (FTP), we must restrain spectrum overlapping caused by the nonlinearity of the charge coupled device (CCD) and increase the measurement accuracy of the object shape. Firstly, the ...