TY - BOOK ID - 125018760 TI - Stability boundaries for systems with frequency-model feedback and complementary filter AU - Barker, L. Keith AU - Langley Research Center. AU - United States. PY - 1980 PB - [Washington, D.C.] : National Aeronautics and Space Administration, Scientific and Technical Information Branch, DB - UniCat KW - Electric filters. KW - Feedback control. KW - Feedback frequency modulation. KW - High gain. KW - Low pass filters. UR - https://www.unicat.be/uniCat?func=search&query=sysid:125018760 AB - ER -