此函数用于产生脉冲超宽带系统的训练序列的波形。输出参数有三个：bits--发送的数据,stx--发送的信号,ref--参考信号 发送端调制方式为TH-PAM-The emerging ultra-wideband (UWB) system offers a great potential for high data rate wireless multimedia applications of the home entertainment and industry, as well

In recent years, both sophistication and damage potential of Internet worms have increased tremendously. To understand their threat, we need to look into their payload for signatures as well as propagation pattern for Internet-scale behavior. An accu

The key parameters of the most important market introduction programs in selected European countries like Germany, Spain, Italy and Greece as well as the actual market sizes in these countries are described. Current and potential developments