Formulation of the calibration problems for combined pressure and temperature sensors

A.Z. Sahabutdinov - Ph.D. (Phys.-Math.), Associate Professor, Department of «Radiophotonics and Microwave Technology», Kazan National Research Technical University named after A.N. Tupolev (KNRTU-KAI). E-mail: kazanboy@yandex.ru D.F. Salahov - Engineer, JSC «Izhevsk Radio», Izhevsk. E-mail: d-f-s@irz.ru I.I. Nureev - Ph.D. (Eng.), Associate Professor, Department of «Radiophotonics and Microwave Technology», Kazan National Research Technical University named after A.N. Tupolev (KNRTU-KAI). E-mail: n2i2@mail.ru O.G. Morozov - Dr.Sc. (Eng.), Professor, Head of Department of «Radiophotonics and Microwave Technology», Kazan National Research Technical University named after A.N. Tupolev (KNRTU-KAI). E-mail: microoil@mail.ru