中圖分類號(hào)：P445 文獻(xiàn)標(biāo)志碼：A DOI: 10.16157/j.issn.0258-7998.234606
中文引用格式： 希爽，于天雷，任素玲，等. 多源極軌衛(wèi)星微波溫度計(jì)資料實(shí)時(shí)區(qū)域同化系統(tǒng)[J]. 電子技術(shù)應(yīng)用，2024，50(3)：86-91.
英文引用格式： Xi Shuang，Yu Tianlei，Ren Suling，et al. A real-time regional assimilation system of multi-source data of microwave temperature sounder onboard polar-orbiting satellites[J]. Application of Electronic Technique，2024，50(3)：86-91.

A real-time regional assimilation system of multi-source data of microwave temperature sounder onboard polar-orbiting satellites

Abstract： A real-time assimilation was realized, based on the meso-scale numerical prediction model WRF and WRFDA assimilation system，for data of microwave temperature sounder onboard polar-orbiting satellites, along with preliminary evaluation and application of the assimilation products. The results of assimilation experiments in 2018 show that: the standard deviations of O-B (the differences between observations and the forward radiative transfer model simulations of background) of channels 5~9 of AMSU-A data are reduced effectively. After assimilation, the standard deviations of O-A (the differences between observations and the forward radiative transfer model simulations of analysis) for each channel are also decreased. The application results of the outputs of assimilation and forecast are satisfactory on heavy rain and severe convection cases and typhoon cases.

Key words : satellite data assimilation；regional numerical weather prediction；polar-orbiting meteorological satellite；satellite microwave observation