基于点散射的风电机雷达回波信号仿真
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摘要
风电机对邻近的雷达台站会产生严重的干扰,精确的风电机的雷达回波在风电机目标的检测与识别、风电场的杂波抑制等方面有重要的应用价值。基于点散射理论按照实际风电机的外形及尺寸建立仿真模型,给出了雷达在空间任意一点处的风电机雷达回波表达式及其求解方法,得到了风电机雷达回波的仿真曲线。仿真结果与传统简化的风电机雷达回波模型的求解结果进行了对比,从时域、频域及时频域对比分析了风电机的雷达回波信号。结合两者的对比结果可以得出,考虑风电机外形的雷达回波模型求解的风电机雷达回波更为准确,回波信号包含的目标信息更为齐全。结论在对风电机雷达回波的精确求解及信号分析上有重要意义。
Wind turbine can cause serious interference to nearby radar stations. The precision of radar echo of wind turbine has important application value in the target detection and recognition of wind turbine and the clutter suppression of wind park. Based on the theory of point scattering and the actual shape and size of wind turbine, the simulation model was built. Then, the radar echo expression of wind turbine and the solution method of radar at any point of space were given. The simulation curve of radar echo was obtained. The simulation result was compared with the results of traditional simplified model of wind turbine radar echo. Meanwhile, the radar echo signal of wind turbine was analyzed from time domain, frequency domain and time-frequency domain. Following conclusion can be drawn from the comparison result. The radar echo of wind turbine that considers the radar echo model is more accurate. The echo signal contains more complete target information. Thus, the conclusion is very important in the accurate solution and signal analysis of wind turbine radar echo.
Wind turbine can cause serious interference to nearby radar stations. The precision of radar echo of wind turbine has important application value in the target detection and recognition of wind turbine and the clutter suppression of wind park. Based on the theory of point scattering and the actual shape and size of wind turbine, the simulation model was built. Then, the radar echo expression of wind turbine and the solution method of radar at any point of space were given. The simulation curve of radar echo was obtained. The simulation result was compared with the results of traditional simplified model of wind turbine radar echo. Meanwhile, the radar echo signal of wind turbine was analyzed from time domain, frequency domain and time-frequency domain. Following conclusion can be drawn from the comparison result. The radar echo of wind turbine that considers the radar echo model is more accurate. The echo signal contains more complete target information. Thus, the conclusion is very important in the accurate solution and signal analysis of wind turbine radar echo.
引文
[1] 刘振亚. 全球能源互联网[M]. 北京:中国电力出版社, 2015:1-2.
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[4] 吴仁彪,毛建,王晓亮,贾琼琼. 航管一次雷达抗风电场干扰目标检测方法[J]. 电子与信息学报, 2013,35(3):754-758.
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[19] 何炜琨,等. 风电机雷达回波的仿真与分析[J].系统仿真学报, 2015,27(1):50-56.
[20] Wu Renbiao, Mao Jian, Wang Xiaoliang, QiongqiongJia. Simulation of wind farm radar echoes with fidelity[C]. 11th International Conference on Signal Processing, IEEE, Beijing, China, 2012: 1998-2002.
[21] Laith R Danoon, Anthony K Brown. Modeling Methodology for Computing the Radar Cross Section and Doppler Signature of Wind Farms[J]. IEEE Transactions on Antennas and Propagation,2013,61(10): 5166-5174.
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[24] Ugur Saynak, et al. Preliminary set of analysis for the assessment of wind turbines which are in the line-of-sight of radar, navigation and communications systems[J]. IET Radar, Sonar and Navigation, 2014,5(8): 415-424.
[25] M B Raza, S Zhao, T Fickenscher. Radar doppler deviation by wind turbine[C]. 15th International Radar Symposium, IEEE, Gdansk, Poland, 2014:1-4.
[26] 王童,等. 扩展性微动目标回波模拟与特征参数提取研究[J]. 物理学报, 2015, 210301.
[2] 吴彪,沈国勤,周宁. 风电场对雷达性能影响问题研究[J]. 中国无线电, 2013,(10): 60-63.
[3] C A Jackson, M M Butler. Options for mitigation of the effects of wind farms on radar systems[C]. International Conference on Radar Systems, IET, Edinburgh, UK, 2007:1-6.
[4] 吴仁彪,毛建,王晓亮,贾琼琼. 航管一次雷达抗风电场干扰目标检测方法[J]. 电子与信息学报, 2013,35(3):754-758.
[5] Arne Theil, Lucas J van Ewijk. Radar performance degradation due to the presence of wind turbines[C]. Radar Conference, IEEE, Massachusetts, USA, 2007:75-80.
[6] Arne Theil, Mathijs W Schouten, Ardjan de Jong. Radar and wind turbines: A guide to acceptance criteria[C]. Radar Conference, IEEE, Washington, USA, 2010:1355-1361.
[7] B Gallardo-Hernando, J M Munoz-Ferreras. Perez-Martinez. Super-resolution techniques for wind turbine clutter spectrum enhancement in meteorological radars[J]. IET Radar, Sonar and Navigation, 2011,5(9): 924-933.
[8] 何炜琨,郭双双,王晓亮,吴仁彪. 扫描工作模式的航管监视雷达风电场回波信号的微多普勒特征分析[J]. 信号处理, 2015,31(10):1240-1246.
[9] Richard Rudd, Bal Rhandawa. RCS measurement of wind turbines[C]. 3rd European Conference on Antennas and Propagation, IEEE, Berlin, Germany, 2009: 3642-3644.
[10] Christopher Lute, William Wieserman. ASR-11 Radar Performance Assessment over a Wind Turbine Farm[C]. Radar Conference, IEEE, Kansas City, USA, 2011: 226-230.
[11] F Kong, Y Zhang, R D Palmer. Wind Turbine Radar Interference Studies by Polarimetric Measurements of a Scaled Model[J]. IEEE Transactions on Aerospace &Electronics Systems, 2013,49(3): 1589-1600.
[12] F Kong, Y Zhang, R D Palmer. Wind turbine radar interference studies by polarimetric measurements of a scaled model[J]. IEEE Transactions on Aerospace and Electronic Systems, 2013,49(3):1589-1599.
[13] Yan Zhang, Palmer, et al. Using scaled models for wind turbines EM scattering characterization:technique and experiments[J]. IEEE Transactions on Instrumentation and Measurement, 2011,60(4):1298-1306.
[14] Y F Lok, J Wang, A Palbesky. Simulation of Radar Signal on Wind Turbine[C]. IEEE Radar Conference (S1097-5659). USA: IEEE, 2010:538-543.
[15] R R Ohs, G J Skidmore, G Bedrosian. Modeling the effects of wind turbines on radar returns[C]. Military Communication Conference, IEEE, San Jose, USA, 2010: 272-276.
[16] Oleg A Krasnov, Alexander G Yarovoy. Radar Micro-Doppler of Wind-turbines[J]. Proceedings of the 11th European Radar Conference, 2014:73-76.
[17] M Crespo-Ballesteros, M Antoniou. wind turbine radar signature analysis in the near field[C]. 2014 International Radar Conference, IEEE, 2014:1-6.
[18] Senem Makal Yucedag, Okan Mert Yucedag, Huseyin AvniSerim. Analytical method for monostatic radar cross section calculation of a perfectly conducting wind turbine model located over dielectric lossy half space[J]. IET Radar,Sonar and Navigation, 2014,8(8): 965-970.
[19] 何炜琨,等. 风电机雷达回波的仿真与分析[J].系统仿真学报, 2015,27(1):50-56.
[20] Wu Renbiao, Mao Jian, Wang Xiaoliang, QiongqiongJia. Simulation of wind farm radar echoes with fidelity[C]. 11th International Conference on Signal Processing, IEEE, Beijing, China, 2012: 1998-2002.
[21] Laith R Danoon, Anthony K Brown. Modeling Methodology for Computing the Radar Cross Section and Doppler Signature of Wind Farms[J]. IEEE Transactions on Antennas and Propagation,2013,61(10): 5166-5174.
[22] 丁鹭飞,耿富录,陈建春. 雷达原理(第5版)[M]. 北京:电子工业出版社, 2014: 14-16.
[23] 聂在平,方大纲. 目标与环境电磁散射特性建模—理论、方法与实现(基础篇)[M]. 北京:国防工业出版社, 2009.
[24] Ugur Saynak, et al. Preliminary set of analysis for the assessment of wind turbines which are in the line-of-sight of radar, navigation and communications systems[J]. IET Radar, Sonar and Navigation, 2014,5(8): 415-424.
[25] M B Raza, S Zhao, T Fickenscher. Radar doppler deviation by wind turbine[C]. 15th International Radar Symposium, IEEE, Gdansk, Poland, 2014:1-4.
[26] 王童,等. 扩展性微动目标回波模拟与特征参数提取研究[J]. 物理学报, 2015, 210301.