某型脉冲雷达发射机双机热备份系统设计  

Design of a two⁃machine thermal backup system for a type of plused radar transmitter

作　　者：何晓毛 常壮壮 郝文东 肖振业 王晶 HE Xiaomao;CHANG Zhuangzhuang;HAO Wendong;XIAO Zhenye;WANG Jing(China Jiuquan Satellite Launch Center,Jiuquan 732750,China)

机构地区：[1]中国酒泉卫星发射中心,甘肃酒泉732750

出　　处：《电子设计工程》2021年第6期65-69,共5页Electronic Design Engineering

摘　　要：针对某型脉冲雷达发射机单台设备输出功率低、设备可靠性差的问题,提出了发射机双机热备份系统设计方案。通过加装一套发射机,并利用功率合成器对两套发射机的输出功率进行合成,应用散射参数理论对功率合成效率进行推导,分析影响功率合成效率的因素,研究使输出功率合成效率最大化的方法,并计算并联后系统的可靠性。结果表明,发射机系统平均无故障工作时间提高了595 h。In problem of the low output power and poor reliability of a single device of a type plused radar transmitter,the design scheme of the transmitter dual⁃machine thermal backup system is putting forward by studying the system structure of the transmitter equipment.By adding a set of transmitter and using power synthesizers to synthesize the output power of two sets of transmitters,the power synthesis efficiency of power synthesis is derived by using the scattering parameter theory,and the factors affecting the efficiency of power synthesis are analyzed,so as to maximize the power output synthesis efficiency of the two sets of transmitter;calculate the reliability of the parallel system,the results show that the MTBF of transmitter system increased by 595 hours.

关 键 词：雷达 发射机 功率合成效率 可靠性 

分 类 号：TN956[电子电信—信号与信息处理]