Wei Ji Zhiyong Wang Zhaoqiang Huang Qiang Wen Peihong Sun An interface modeling method applied in observation plan service based on small satellite constellation. 3125-3128 2014 IGARSS https://doi.org/10.1109/IGARSS.2014.6947139 conf/igarss/2014 db/conf/igarss/igarss2014.html#JiWHWS14