出跳 meaning in English

extension of bracket

Then , the frequency - hop system is presented . emphasis is placed on the analysis of effect on the phase modulation system which is produced in frequency - hop transmission . at last , we scheme out the fh - mpsk and fh - / 4dqpsk systems according to the frequency - hop communication characteristics
首先介绍了跳频通信的信道特性，然后说明了跳频系统的工作情况，并分析了跳频传输对相位调制系统设计的影响，最后针对跳频通信的特点设计出跳频传输模式下的fh - mpsk和fh - 4dqpsk系统。