一种小型S波段无源相控阵天线及其在小卫星上的应用
|
摘要
为满足卫星平台小型化、低功耗、高集成度设计要求,提出一种新型的小型化S波段相控阵天线,用于卫星与中继星返向测控链路建立。通过优选体积小的四臂螺旋天线为天线阵元、对天线阵列规模和间距进行优化设计、优化天线波束区域划分、采用新型时延网络代替传统移相器、在单片集成芯片上实现复杂波控算法等多项关键技术,设计并实现了一个小型化、高增益、低功耗的无源相控阵天线。实测数据表明,该相控阵天线在波束覆盖范围内阵列增益可达7d Bi以上,天线阵列重量仅250g,在达到相同发射EIRP指标条件下,对整星功耗需求仅为采用传统中继发射天线时的40%。
A new mini S-band phased-array-antenna is designed to satisfy the requirements of the new satellite platform. Several key techniques are introduced, which include selecting four-arm-helix antenna as the array element, optimizing the design of array size and space, adopting a new delay net instead of traditional phase shifter, and realizing complex control algorithm on an integrated chip. Then a passive phased-array-antenna which has mini-structure, high gain and low power cost is designed and realized. Experiment test shows that, the antenna has an array gain of above 7 d Bi, while its weight is only 250 g. On the condition of same EIRP, the power cost brought by new antenna reduces to 40% of the traditional antenna's.
A new mini S-band phased-array-antenna is designed to satisfy the requirements of the new satellite platform. Several key techniques are introduced, which include selecting four-arm-helix antenna as the array element, optimizing the design of array size and space, adopting a new delay net instead of traditional phase shifter, and realizing complex control algorithm on an integrated chip. Then a passive phased-array-antenna which has mini-structure, high gain and low power cost is designed and realized. Experiment test shows that, the antenna has an array gain of above 7 d Bi, while its weight is only 250 g. On the condition of same EIRP, the power cost brought by new antenna reduces to 40% of the traditional antenna's.
引文
[1]刘嘉兴.飞行器测控通信工程[M].北京:国防工业出版社,2010.
[2]Louis J I.卫星通信系统工程[M].孙宝生,译.北京:国防工业出版社,2012.
[3]Kraus J D,等.天线(上)[M].章文勋,译.第三版.北京:电子工业出版社,2005.
[4]王涛,王保平,徐瑞芬.微小卫星能源系统研究[C]//中国宇航学会先进小卫星技术与应用专业委员会第一届学术交流会论文集,2017.
[5]赵萍.相控阵天线的结构与电性能研究[D].西安:西安理工大学,2012.Zhao Ping.Structure and Electric Performance Research of Phased Array Antenna[D].Xi’an:Xi’an University of Technology,2012.
[6]林曙光.有源相控阵波束控制系统的研究[D].西安:西安电子科技大学,2010.Lin Shuguang.Beam-steering System Research of the Active Phased Array[D].Xi’an:Xidian University,2010.
[7]赵红梅.星载数字多波束相控阵天线若干关键技术研究[D].南京:南京理工大学,2009.Zhao Hongmei.Research on Key Techniques of Digital Multi-beam Phased Array on Satellite[D].Nanjing:Nanjing University of Science and Technology,2009.
[8]项铁铭,曹祥玉,马凤国,等.机载相控阵天线辐射方向图的分析[J].电波科学学报,2002,17(2):204–207.Xiang Tieming,Cao Xiangyu,Ma Fengguo,et al.Analysis of the Airborne Phased Array Pattern[J].Chinese Journal of Radio Science,2002,17(2):204–207.
[9]洪流,俞石云,刘云志.车载光控相控阵天线设计[C]//2010年全国电磁兼容会议论文集,2010.
[10]丁溯泉,张波,刘世勇.STK在航天任务仿真分析中的应用[M].北京:国防工业出版社,2011.
[2]Louis J I.卫星通信系统工程[M].孙宝生,译.北京:国防工业出版社,2012.
[3]Kraus J D,等.天线(上)[M].章文勋,译.第三版.北京:电子工业出版社,2005.
[4]王涛,王保平,徐瑞芬.微小卫星能源系统研究[C]//中国宇航学会先进小卫星技术与应用专业委员会第一届学术交流会论文集,2017.
[5]赵萍.相控阵天线的结构与电性能研究[D].西安:西安理工大学,2012.Zhao Ping.Structure and Electric Performance Research of Phased Array Antenna[D].Xi’an:Xi’an University of Technology,2012.
[6]林曙光.有源相控阵波束控制系统的研究[D].西安:西安电子科技大学,2010.Lin Shuguang.Beam-steering System Research of the Active Phased Array[D].Xi’an:Xidian University,2010.
[7]赵红梅.星载数字多波束相控阵天线若干关键技术研究[D].南京:南京理工大学,2009.Zhao Hongmei.Research on Key Techniques of Digital Multi-beam Phased Array on Satellite[D].Nanjing:Nanjing University of Science and Technology,2009.
[8]项铁铭,曹祥玉,马凤国,等.机载相控阵天线辐射方向图的分析[J].电波科学学报,2002,17(2):204–207.Xiang Tieming,Cao Xiangyu,Ma Fengguo,et al.Analysis of the Airborne Phased Array Pattern[J].Chinese Journal of Radio Science,2002,17(2):204–207.
[9]洪流,俞石云,刘云志.车载光控相控阵天线设计[C]//2010年全国电磁兼容会议论文集,2010.
[10]丁溯泉,张波,刘世勇.STK在航天任务仿真分析中的应用[M].北京:国防工业出版社,2011.