从高频雷达海面回波多普勒谱提取风场信息

从高频雷达海面回波多普勒谱提取风场信息 EXTRACTION OF WIND FIELD FROM HIGH FREQUENCY RADAR SEA ECHO DOPPLER SPECTRA 黄为民 Huang Weimin 1 first-author 王淑融 Wang Shurong 1 吴世才 Wu Shicai 1 文必洋 Wen Biyang 1 邱昌熔 Qiu Changrong 1 武汉大学电子信息学学院 武汉大学电子信息学学院 College of Electronic Information, Wuhan University College of Electronic Information, Wuhan University 用Ｈｏｗｅｌ法从二阶海面回波多普勒谱反演出有效浪高及浪高谱峰值频率后，根据ＳＭＢ算法或ＪＯＮＳＷＡＰ算法计算风速，同时采用雷达多波束采样法由一阶回波多普勒谱确定唯一合理的风向，从而得到完整的海面风场信息．并利用该方法对模拟的海面回波多普勒谱进行反演实验，结果表明该方法是正确可行的，且ＳＭＢ算法优于ＪＯＮＳＷＡＰ算法． A method for extracting sea surface wind field is presented,which uses SMB or JONSWAP relationship together with sea wave parameters obtained by Howells inversion technique to compute wind speed and determines the wind direction by sampling two or three beam angles. This technique is illustrated with simulated Doppler spectra, and SMB relationship is proved better than JONSAWP relationship. 回波多普勒谱 风场 风速 风向 sea echo Doppler spectrum wind field wind speed wind direction P715.7 国家自然科学基金(61672102) 1999-01-01 2021-04-01 1