[1] HAJJ G A,ROMAS L J. Ionospheric electron density profiles obtained with the global positioning system:results from the GPS/MET experiment[J]. Radio Sciences, 1998,33(1):175-190.

[2] RIUS A,RUFFINI G,Romeo A. Analysis of ionospheric electron density distribution from GPS/MET occulations[J]. IEEE Trans,Geoscience and Remote Sensing, 1998,36(2):382-394.

[3] 张建军,袁洪,王宪. GNSS无线电掩星大气探测系统干扰抑制的子空间投影方法[J]. 测绘学报, 2009,38(5):422-427. (ZHANG Jianjun,YUAN Hong,WANG Xian. The subspace projection in interference suppression of GNSS radio obscuration atmosphere detection system[J]. Acta Geodaetion et Cartographica Sinica, 2009,38(5):422-427.)

[4] ZIN A,ZAGO S,LANDENNA S,et al. Current achievements and future evolution of the ROSA radio-occultation receiver[C]// Satellite Navigation Technologies and European Workshop on GNSS Signals and Signal Processing(NAVITEC). [S.l.]: IEEE Xplore. 2010:1-8.

[5] VECCHIARELLI G,GUIDI R,VALLE P,et al. Control and minimization of multi-path problems on the GPS R.O.S.A. antenna installed onboard oceansat-2 spacecraft[C]// Antennas and Propagation,2007.EuCAP 2007. The Second European Conference Antennas & Propagation. [S.l.]:IEEE Xplore. 2007:1-6.

[6] INGVARSON Per. GPS receive antennas on satellites for precision orbit determination and meteorology[C]// Microwaves, Radar and Wireless Communications, 2008. MIKON 2008.17th International Conference. [S.L]:IEEE Xplore, 2008:1-6.

[7] 周云林.一种相位中心稳定的层叠双频导航天线的设计[J]. 太赫兹科学与电子信息学报, 2016,14(4):596-598. (ZHOU Yunlin. Design of dual-band stacked navigation antenna with stable phase center[J]. Journal of Terahertz Science and Electronic Information Technology, 2016,14(6):788-791.)

[8] 谢欢欢,杨伯朝.基于差分进化算法的阵列天线波束赋形研究[J]. 现代导航, 2012,6(3):219-224. (XIE Huanhuan, YANG Bochao. Study of array antennas beamforming based on differential evolution algorithms[J]. Modern Navigation, 2012,6(3):219-224.)