求翻译：　　实现超宽带通信的首要任务是产生UWB信号，从本质上看，UWB是发射和接收超短电磁脉冲的技术，可使用不同的方式来产生和接收这些信号以及对传输信息进行编码。这些脉冲可以单独发射或成组发射，并可根据脉冲幅度、相位和脉冲位置对信息进行编码。是什么意思？

The first task is to achieve ultra-wideband communications to produce uwb signal, in essence, uwb transmit and receive ultra-short electromagnetic pulse technology, you can use different ways to generate and receive these signals to encode and transmit information. These pulses can be launched separ

ultra-wideband communication's first task is to generate signals from UWB essence, UWB is transmitting and receiving extra short electromagnetic pulse technology, you can use different ways to generate and receive these signals, as well as the transmitted information is encoded. These pulses can be

　　Realizes the ultra-wide band correspondence most important task produces the UWB signal, from essentially looked, UWB is launches and receives the ultra short electromagnetic pulse the technology, may use the different way to produce and to receive these signals as well as carries on the code to t

　　For ultra-wideband communication first and foremost task is to generate UWB signals, in essence, UWB is transmitting and receiving of ultra-short electromagnetic pulse technology, you can use different ways to produce and receive these signals and the transfer encoding of information. These pulses