机译:Pseudo altitude: A new perspective on the auroral density cavity
KTH Royal Inst Technol, Sch Elect Engn, SE-10044 Stockholm, Sweden;
European Space Agcy, European Space Res & Technol Ctr, NL-2200 AG Noordwijk, Netherlands;
auroral density cavity; pseudo altitude; electron density; cluster satellites; PARALLEL ELECTRIC-FIELDS; ACCELERATION REGION; KILOMETRIC RADIATION; CLUSTER; MAGNETOSPHERE; ZONE;