The primary performance requirement of the spaceborne Apollo voice communications system is percent word intelligibility, which is related to other link/channel parameters. The effect of percent word intelligibility on voice channel design and a description of the verification procedures are included. Development and testing performance problems and the techniques used to solve the problems are also discussed. Voice communications performance requirements should be comprehensive and verified...
Topics: HUMAN PERFORMANCE, HUMAN REACTIONS, NOISE (SOUND), DECISION MAKING, ERRORS, MEMORY
Alpha-gamma phase conversion in iron-nickel alloys
Topics: CONVERSION, HIGH PRESSURE, IRON ALLOYS, NICKEL ALLOYS, PHASE TRANSFORMATIONS, CONVERSION, IRON...
