cosin meaning in English

科森
科辛
乔辛

Firstly , the airborne electromechanical system , the development of bus protocol , power line channel and power system are described in the dissertation ; secondly , the algorithm of qpsk and root raised cosin are discussed ; thirdly , the designation of the hardware and software of the modem board , based on qpsk , built up with dsp and cpld are given . the high - speed data transporting card of airborne electromechanical communication system , which is based on plc , are put forward in our country
本文介绍了飞机电力线载波数据通信系统的结构，并对低压电力线的信道特性进行了分析；对qpsk调制算法及均方根升余弦低通滤波算法进行了详细论证；设计出基于qpsk的调制解调模块，并在此基础上，研制出以dsp和cpld为最小系统的调制解调硬件电路板，开发了调制解调模块电路板的应用软件程序。