@incollection{fdi:010084425, title = {{A} new {L}-band passive radiometer for earth observation : {SMOS}-high resolution ({SMOS}-{HR})}, author = {{R}odriguez-{F}ernandez, {N}.{J}. and {A}nterrieu, {E}. and {C}abot, {F}. and {B}outin, {J}. and {P}icard, {G}. and {P}ellarin, {T}. and {M}erlin, {O}. and {V}ialard, {J}{\'e}r{\^o}me and {V}ivier, {F}. and {C}osteraste, {J}. and {P}alacin, {B}. and {R}odriguez-{S}uquet, {R}. and {A}miot, {T}. and {K}haazal, {A}. and {R}ouge, {B}. and {M}orel, {J}.{M}. and {C}olom, {M}. and {D}ecoopman, {T}. and {J}eannin, {N}. and {C}aujolle, {R}. and {E}scorihuela, {M}.{J}. and {A}l {B}itar, {A}. and {R}ichaume, {P}. and {M}ialon, {A}. and {S}uere, {C}. and {K}err, {Y}.{H}.}, editor = {}, language = {{ENG}}, abstract = {{T}he {E}uropean {S}pace {A}gency ({ESA}) {S}oil {M}oisture and {O}cean {S}alinity ({SMOS}) has been providing the longest consistent data record of passive {L}-band (1.4 {GH}z) observations for more than ten years. {SMOS}, as well as the {NASA} missions {SMAP} and {A}quarius have demonstrated the interest of {L}-band observations for land, ocean and cryosphere studies. {T}he continuity of {L}-band observations must be assured taking into account that the spatial resolution (~ 40 km) of {SMOS} and {SMAP} is too coarse for some applications. {D}isaggregation strategies can be implemented but using airborne data, we show that the quality of the downscaled data cannot match that of an instrument with higher native resolution. {T}he goal of the {SMOS}-{HR} ({H}igh {R}esolution) mission is to ensure the continuity of {L}-band observations while increasing the native resolution to 10 km. {SMOS}-{HR} will carry an array of ~ 230 antennas to perform aperture synthesis. {T}he antenna distribution has been optimized to reduce the aliasing in the reconstructed images and {SMOS}-{HR} will incorporate advanced on-board {R}adio {F}requency {I}nterferences ({RFI}) mitigation techniques.}, keywords = {{AMAZONIE}}, booktitle = {{IGARSS} 2020 - 2020 {IEEE} {I}nternational {G}eoscience and {R}emote {S}ensing {S}ymposium}, numero = {}, pages = {5978--2981}, address = {{P}iscataway}, publisher = {{IEEE}}, series = {}, year = {2020}, DOI = {10.1109/{IGARSS}39084.2020.9324685}, ISBN = {978-1-7281-6375-8}, URL = {https://www.documentation.ird.fr/hor/fdi:010084425}, }