高精度的短波发射机功率校准控制系统设计  

Design of High Precision Calibration Control System of Short Wave Transmitter Power

作　　者：钟维辉 于津 张盼华 Zhong Weihui;Yu Jin;Zhang Panhua(Tong Fang Electronic Science and Technology Co.,Ltd.,High End Communications Institute,JiuJiang 332000,China)

机构地区：[1]同方电子科技有限公司高端通信研究所,江西九江332000

出　　处：《计算机测量与控制》2020年第3期128-131,137,共5页Computer Measurement &Control

摘　　要：短波发射机功率存在控制精度问题,而校准生成的衰减值表格是其关键;针对该问题,设计一种高精度的短波发射机功率校准系统;首先,对发射机系统组成进行介绍,分析了功率校准生成的衰减值表格和AD值表格的精度之间存在着非线性关系,给出了功率校准原理框图;其次,设计了衰减值调整算法,并在实际工程中进行试验和应用;实验结果表明,能够提高发射机功率控制精度35%,提升了发射机使用性能。The power of short-wave transmitter has the problem of control precision,and the attenuation value table generated by calibration is the key.Aiming at this problem,a high-precision short-wave transmitter power calibration system is designed.Firstly,the composition of the transmitter system is introduced,and the non-linear relation between the accuracy of attenuation value table and AD value table generated by power calibration is analyzed.Secondly,the attenuation value adjustment algorithm is designed and tested and applied in practical engineering.Experimental results show that the power control precision of the transmitter can be improved by 35%.The performance of the transmitter can be improved.

关 键 词：短波通信 发射机 功率控制 高精度 

分 类 号：TN919[电子电信—通信与信息系统]