Glossary of Avionics Terms & Acronyms 航空電子術(shù)語和縮寫詞詞典

時(shí)間：2011-07-29 09:39來源：藍(lán)天飛行翻譯 作者：航空 點(diǎn)擊：次

Douglas)
MDA Minimum Descent Altitude
MDC Maintenance Diagnostic Computer
MDCRS Meteorological Data collection and Reporting System
MDS Minimum Discernible Signal. The MDS is the lowest
rf signal level that can be detected as a valid signal.
MDT Maintenance Display Terminal
MEA Minimum En route Altitude
MEC Main Equipment Center
MEDLL Multipath Estimating Delay Lock Loop
MEL Minimum Equipment List. The list of equipment that
the FCC requires be aboard an aircraft before flying.
MES Main Engine Start
MF Medium Frequency. The portion of the radio spec-
trum from 300 kHz to 3 MHz.
MFCP Multifunction Control Display Panel
MFD Multifunction Display
MFDS Multifunction Display System
MDFU Multifunction Display Unit
MFM Maintenance Fault Memory
MGSCU Main Gear Steering Control Unit
MHD Magnetic Hard Drive
MHz Megahertz (1,000,000 cycles per second)
MIC Microphone. Also refers to the output signal of the
microphone.
Micro-EARTS Microprocessor En route Automated Radar Tracking
System
MIDU Multi-purpose Interactive Display Unit

MIL Military
MIPS Million Instructions Per Second
MKR Marker
MLS Microwave Landing System
MLW Maximum Landing Weight
MM Mass Memory
MMI Man-Machine Interface
MMIC Monolithic Microwave Integrated Circuit
Mmo The maximum Mach number at which an aircraft has
been certified to operate.
MMR Multi-Mode Receiver
MNPS Minimum Navigation Performance Specification
MNT Mach Number Technique
MO Magneto-Optical
MOA Military Operation Area
MOCA Minimum Obstacle Clearance Altitude
MOD (1) Modulator
(2) Modification
(3) Magneto-Optical Drive
Mode A The pulse format for an identification code interroga-
tion of an ATCRBS transponder.
Mode B An optional mode for transponder interrogation.
Mode C The pulse format for an altitude information interro-
gation of an ATCRBS transponder.
Mode D An unassigned,optional transponder mode.
Mode S (1) Mode Select (A transponder format to allow dis-
crete interrogation and data link capability.)
(2) Selective interrogation mode of SSR
MODEM Modulator/Demodulator
MOPR Minimum Operational Performance Requirements