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Regarding the forest as a mixture of air and plants, the refractive model is used to obtain the effective dielectric constant of forest, and the correctness is verified by comparing with the experimental result. The parabolic equation model of forest can be improved by introducing the method of effective dielectric constant for forest. Compared with the traditional model, the improved model takes into account the effect of various elements of forest on radio wave propagation and is more suitable for the radio propagation problems with different plant species in different regions. Otherwise the non-uniform mesh technique is introduced and improves the computational efficiency effectively. Finally, in this paper we analyze the effects of various elements of forest, such as the volume content of plant, the gravimetric moisture content, etc. on the radio propagation.
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Keywords:
- forest /
- parabolic equation /
- non-uniform mesh /
- radio wave propagation
[1] Liu X C, Gao T C, Qin J, Liu L 2010 Acta Phys. Sin. 59 2156 (in Chinese) [刘西川, 高太长, 秦健, 刘磊 2010 59 2156]
[2] Zhang J P, Wu Z S, Zhao Z W, Zhang Y S, Wang B 2012 Chin. Phys. B 21 109202
[3] Ren X C, Guo L X, Jiao Y C 2012 Acta Phys. Sin. 61 144101 (in Chinese) [任新成, 郭立新, 焦永昌 2012 61 144101]
[4] Shao X, Chu X L, Wang J, Xu J J 2012 Acta Phys. Sin. 61 159203 (in Chinese) [邵轩, 楚晓亮, 王剑, 许金菊 2012 61 159203]
[5] Du H, Wei G, Zhang Y M, Xu X H 2013 Acta Phys. Sin. 62 064704 (in Chinese) [杜辉, 魏岗, 张原铭, 徐小辉 2013 62 064704]
[6] Cai Z R, Liu Y H, Zhang X L 1997 J. China Institute Commun. 18 87 (in Chinese) [蔡植荣, 刘永华, 章秀麓 1997 通信学报 18 87]
[7] Guo J Y, Wang J Y, Long Y L, Gong Z Q 2008 Chin. J. Radio Sci. 23 1045 (in Chinese) [郭建炎, 王剑莹, 龙云亮, 龚主前 2008 电波科学学报 23 1045]
[8] Leontovich M A, Fock V A 1946 J. Phus USSR 10 13
[9] Wang K, Long Y L 2012 IEEE Trans. Antennas Propagat. 60 4467
[10] Sirkova I 2011 Prog. Electromagnet. Res. M 17 151
[11] Tamir T 1967 IEEE Trans. Antennas Propagat. 15 806
[12] Palud M L 2004 IEEE Military Communications Conference Monterey, CA, October 31-November 3, 2004 p609
[13] Holm P, Eriksson G, Krans P, Lundborg B, Lofsved E, Sterner U, Waern A 2002 The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Lisboa, Portugal, September 15-18, 2002 p140
[14] Guo J Y, Wang J Y, Long Y L 2008 Chin. J. Radio Sci. 22 1042 (in Chinese) [郭建炎, 王剑莹, 龙云亮 2008 电波科学学报 22 1042]
[15] Levy M F 2000 Parabolic Equation Methods for Electromagnetic Wave Propagation (London: IEE Press) p5
[16] Feit M D, Fleck J A 1978 Appl. Opt. 17 3990
[17] Harris J F 1978 IEEE Proc. 66 51
[18] Ulaby F T, Razani M, Dobson M C 1983 IEEE Trans. Geosci. Remote Sens. GE-21 51
[19] Ulaby F T, EI-Rayes M A 1987 IEEE Trans. Geosci. Remote Sens. GE- 25 550
[20] Schmugge T J, Jackson T J 1992 IEEE Trans. Geosci. Remote Sens. GE-30 757
[21] Jackson T J, Schmugge T J 1991 Geoscience and Remote Sensing Symposium Espoo, Finland, June 3-6, 1991 p753
[22] Oraizi H, Hosseinzadeh S 2003 Proceeding of International Symposium of TelecomunicationIsfahan, Iran, August, 2003 p340
[23] Arshad K, Katsriku F, Lasebae A 2006 Information and Communication Technologies Damascus, Syria, April 24, 2006 p2146
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[1] Liu X C, Gao T C, Qin J, Liu L 2010 Acta Phys. Sin. 59 2156 (in Chinese) [刘西川, 高太长, 秦健, 刘磊 2010 59 2156]
[2] Zhang J P, Wu Z S, Zhao Z W, Zhang Y S, Wang B 2012 Chin. Phys. B 21 109202
[3] Ren X C, Guo L X, Jiao Y C 2012 Acta Phys. Sin. 61 144101 (in Chinese) [任新成, 郭立新, 焦永昌 2012 61 144101]
[4] Shao X, Chu X L, Wang J, Xu J J 2012 Acta Phys. Sin. 61 159203 (in Chinese) [邵轩, 楚晓亮, 王剑, 许金菊 2012 61 159203]
[5] Du H, Wei G, Zhang Y M, Xu X H 2013 Acta Phys. Sin. 62 064704 (in Chinese) [杜辉, 魏岗, 张原铭, 徐小辉 2013 62 064704]
[6] Cai Z R, Liu Y H, Zhang X L 1997 J. China Institute Commun. 18 87 (in Chinese) [蔡植荣, 刘永华, 章秀麓 1997 通信学报 18 87]
[7] Guo J Y, Wang J Y, Long Y L, Gong Z Q 2008 Chin. J. Radio Sci. 23 1045 (in Chinese) [郭建炎, 王剑莹, 龙云亮, 龚主前 2008 电波科学学报 23 1045]
[8] Leontovich M A, Fock V A 1946 J. Phus USSR 10 13
[9] Wang K, Long Y L 2012 IEEE Trans. Antennas Propagat. 60 4467
[10] Sirkova I 2011 Prog. Electromagnet. Res. M 17 151
[11] Tamir T 1967 IEEE Trans. Antennas Propagat. 15 806
[12] Palud M L 2004 IEEE Military Communications Conference Monterey, CA, October 31-November 3, 2004 p609
[13] Holm P, Eriksson G, Krans P, Lundborg B, Lofsved E, Sterner U, Waern A 2002 The 13th IEEE International Symposium on Personal, Indoor and Mobile Radio Communications Lisboa, Portugal, September 15-18, 2002 p140
[14] Guo J Y, Wang J Y, Long Y L 2008 Chin. J. Radio Sci. 22 1042 (in Chinese) [郭建炎, 王剑莹, 龙云亮 2008 电波科学学报 22 1042]
[15] Levy M F 2000 Parabolic Equation Methods for Electromagnetic Wave Propagation (London: IEE Press) p5
[16] Feit M D, Fleck J A 1978 Appl. Opt. 17 3990
[17] Harris J F 1978 IEEE Proc. 66 51
[18] Ulaby F T, Razani M, Dobson M C 1983 IEEE Trans. Geosci. Remote Sens. GE-21 51
[19] Ulaby F T, EI-Rayes M A 1987 IEEE Trans. Geosci. Remote Sens. GE- 25 550
[20] Schmugge T J, Jackson T J 1992 IEEE Trans. Geosci. Remote Sens. GE-30 757
[21] Jackson T J, Schmugge T J 1991 Geoscience and Remote Sensing Symposium Espoo, Finland, June 3-6, 1991 p753
[22] Oraizi H, Hosseinzadeh S 2003 Proceeding of International Symposium of TelecomunicationIsfahan, Iran, August, 2003 p340
[23] Arshad K, Katsriku F, Lasebae A 2006 Information and Communication Technologies Damascus, Syria, April 24, 2006 p2146
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