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一种基于LEO卫星信标的电离层层析成像新算法

DOI: 10.6038/cjg20151003, PP. 3469-3480

Keywords: LEO卫星信标,电离层层析成像,电子密度,函数基模型,像素基模型

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Abstract:

LEO卫星信标是电离层监测的重要手段之一.利用电离层层析成像算法,LEO卫星信标能够实现区域电离层电子密度的快速重构.针对LEO卫星信标的特点,本文提出了一种函数基模型与像素基模型组合的电离层层析成像新算法.选择差分相对电离层总电子含量作为输入数据源,先通过函数基模型法获取电离层电子密度初始分布,再利用像素基模型法对初始分布进行二次迭代重构,该方法可有效降低电离层层析成像对背景电离层模型的依赖,同时能够实现电离层小尺度扰动结构的有效反演.利用数值仿真方法及低纬度电离层层析成像网的实测数据的反演结果验证了本文提出的新算法的可行性和可靠性.

References

[1]  Afraimovich E L, Pirog O M, Terekhov A I. 1992. Diagnostics of large-scale structures of the high-latitude ionosphere based on tomographic treatment of navigation-satellite signals and of data from ionospheric stations. J. Atmos. Terr. Phys., 54(10): 1265-1273.
[2]  Al-Fanek O J S. 2013. Ionospheric imaging for Canadian Polar regions. Calgary: University of Calgary.
[3]  Amerian Y, Hossainali M M, Voosoghi B, et al. 2010. Tomographic reconstruction of the ionospheric electron density in terms of wavelets. Journal of Aerospace Science and Technology, 7(1): 19-29.
[4]  Andreeva E S, Kunitsyn V E, Tereshchenko E D. 1992. Phase-difference radio tomography of the ionosphere. Ann. Geophys., 10: 849-855.
[5]  Austen J R, Franke S J, Liu C W, et al. 1986. Application of computerized tomography techniques to ionospheric research.//URSI and COSPAR International Beacon Satellite Symposium on Radio Beacon Contribution to the Study of Ionization and Dynamics of the Ionosphere and to Corrections to Geodesy and Technical Workshop. Oulu, Finland, Proc. Part I, 25. University of Oulu.
[6]  Austen J R, Franke S J, Liu C H. 1988. Ionospheric imaging using computerized tomography. Radio Sci., 23(3): 299-307.
[7]  Bhuyan K, Singh S B, Bhuyan P K. 2002. Tomographic reconstruction of the ionosphere using generalized singular value decomposition. Current Science, 83(9): 1117-1120.
[8]  Bust G S, Cook J A, Kronschnabl G R, et al. 1994. Application of ionospheric tomography to single-site location range estimation. International Journal of Imaging Systems and Technology, 5(2): 160-168.
[9]  Bust G S, Garner T W, Gaussiran T L. 2004. Ionospheric Data Assimilation Three-Dimensional (IDA3D): A global, multisensor, electron density specification algorithm. J. Geophys. Res., 109: A11312, doi: 10.1029/2003JA010234.
[10]  Das S K, Shukla A K. 2011. Two-dimensional ionospheric tomography over the low-latitude Indian region: An inter-comparison of ART and MART algorithms. Radio Sci., 46, doi: 10.1029/2010RS004350.
[11]  Fremouw E J, Secan J A, Howe B M. 1992. Application of stochastic inverse theory to ionospheric tomography. Radio Sci., 27(5): 721-732.
[12]  Gordon R, Bender R, Herman G T. 1970. Algebraic reconstruction techniques (ART) for three-dimensional electron microscopy and x-ray photography. Journal of Theoretical Biology, 29(3): 471-481, doi: 10.1016/0022-5193(70)90109-8.
[13]  Hajj G A, Lee L C, Pi X Q, et al. 2000. COSMIC GPS ionospheric sensing and space weather. Terrestrial Atmospheric and Oceanic Sciences, 11(1): 235-272.
[14]  Hansen A J, Walter T, Enge P. 1997. Ionospheric correction using tomography.//Proceeding of Institute of Navigation ION GPS-97. Kasas City, Missouri, USA, 249-257.
[15]  Hansen P C. 1990. Truncated singular value decomposition solutions to discrete ill-posed problems with ill-determined numerical rank. SIAM J. Sci. Stat. Comput., 11(3): 503-518.
[16]  Hernández-Pajares M, Juan J M, Sanz J, et al. 2000. Application of ionospheric tomography to real-time GPS carrier-phase ambiguities resolution, at scales of 400~1000 km, and with high geomagnetic activity. Geophysical Research Letters, 27(13): 2009-2012.
[17]  Howe B M, Runciman K, Secan J A. 1998. Tomography of ionosphere: Four-dimensional simulations. Radio Sci., 33(1): 109-128.
[18]  Huang C R, Liu C H, Yeh H C, et al. 1997. The low-latitude ionospheric tomography network (LITN)-initial results. J. Atmos. Sol.-Terr. Phys., 59(13): 1553-1567.
[19]  Ou M, Zhen W M, Yu X, et al. 2014. A computerized ionospheric tomography algorithm based on TSVD regularization. Chinese Journal of Radio Science (in Chinese), 29(2): 345-352, doi: 10.3433/cjors.2013052401.
[20]  Pryse S E, Kersley L, Williams M J. 1998. Electron density structures in the polar cap imaged by ionospheric tomography. Adv. Space Res., 22(9): 1385-1389.
[21]  Ram S T, Yamamoto S M, Tsunoda R T, et al. 2012. On the application of differential phase measurements to study the zonal large scale wave structure (LSWS) in the ionospheric electron content. Radio Sci., 47(2): RS2001, doi: 10.1029/2011RS004870.
[22]  Raymund T D, Pryse S E, Kersley L, et al. 1993. Tomographic reconstruction of ionospheric electron density with European incoherent scatter radar verification. Radio Sci., 28(5): 811-817.
[23]  Thampi S V, Pant T K, Ravindran S, et al. 2004. Simulation studies on the tomographic reconstruction of the equatorial and low-latitude ionosphere in the context of the Indian tomography experiment: CRABEX. Ann. Geophys., 22(10): 3445-3460.
[24]  Watthanasangmechai K, Yamamoto M, Saito A, et al. 2014. Latitudinal GRBR-TEC estimation in Southeast Asia region based on the two-station method. Radio Sci., 49(10): 910-920, doi: 10.1002/2013RS005347.
[25]  Wen D B, Yuan Y B, Ou J K. 2007. Monitoring the three-dimensional ionospheric electron density distribution using GPS observations over China. J. Earth Syst., 116(3): 235-244.
[26]  Wen D B. 2013. GNSS-based Ionospheric Tomographic Algorithms and Applications (in Chinese). Beijing: Surveying and Mapping Press.
[27]  Kunitsyn V E, Andreeva E S, Tereshchenko E D, et al. 1995. Investigations of the ionosphere by satellite radiotomography. Ann. Geophys., 13(12): 1263-1276.
[28]  Leitinger R, Schmidt G, Tauriainen A. 1975. An evaluation method combining the differential Doppler measurements from two stations that enables the calculation of the electron content of the ionosphere. Zeitschrift fur Geophysik, 41: 201-213.
[29]  Li H, Yuan Y B, Li Z S, et al. 2012. Ionospheric electron concentration imaging using combination of LEO satellite data with ground-based GPS observations over China. IEEE Transactions on Geoscience and Remote Sensing, 50(5): 1728-1734.
[30]  Ma X F, Maruyama T, Ma G Y, et al. 2005. Three-dimensional ionospheric tomography using observation data of GPS ground receivers and ionosonde by neural network. J. Geophys. Res., 110: doi 10.1029/2004JA010797.
[31]  Mitchell C N, Spencer P S. 2003. A three-dimensional time-dependent algorithm for ionosphere imaging using GPS. Ann. Geophys., 46(4): 687-696.
[32]  Nygrén T, Markkanen M, Lehtinen M, et al. 1997. Stochastic inversion in ionospheric radiotomography. Radio Science, 32(6): 2359-2372.
[33]  Wen D B, Lü H Z, Zhang X. 2014. A new method of ionospheric tomographic reconstruction. Chinese J. Geophys. (in Chinese), 57(11): 3611-3616, doi: 10.6038/cjg20141114.
[34]  Wu X B. 1999. A study of algorithm and experiments for computerized ionospheric tomography in the equatorial anomaly region (in Chinese). Wuhan: Wuhan University.
[35]  Xu J S, Ma S Y, Wu X B, et al. 2000. Low-latitudinal ionospheric effects during a moderate storm by tomographic imaging. Chinese Journal of Geophysics (in Chinese), 43(2): 145-151.
[36]  Yao Y B, Tang J, Zhang I, et al. 2014. An adaptive simultaneous iteration reconstruction technique for three-dimensional ionospheric tomography. Chinese J. Geophys. (in Chinese), 57(2): 345-353, doi: 10.6038/cjg.20140101.
[37]  Zhao H S, Xu Z W, Wu J, et al. 2010. Ionospheric tomography by combining vertical and oblique sounding data with TEC retrieved from a tri-band beacon. J. Geophys. Res., 115: A1303, doi: 10.1029/2010JA015285.
[38]  Zhao Y C, Gui X C, Hong Z J, et al. 2014. The Kalman Filter imaging studies of ionosphere TEC. Chinese J. Geophys. (in Chinese), 57(11): 3617-3624, doi: 10.6038/cjg20141115.
[39]  Zou Y H. 2004. A study of time-dependent 3-D ionospheric tomography with ground-based GPS network and occultation observations (in Chinese).Wuhan: Wuhan University.

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