ABSV Approximate Balanced Singular Value
DMAP Direct Matrix Abstraction Program
DOF Degree of Freedom
EI Effective Independence
FBS Forward Backward Substitution
FEM Finite Element Model
FRF Frequency Response Function
GPKE Grid Point Kinetic Energy
GPSC General Purpose Space Craft
IGR Iterative Guyan Reduction
IRKE Iterative Residual Kinetic Energy
IRS Improved Reduced System
MAC Modal Assurance Criterion
MC Modal Cost
MEM Modal Effective Mass
MEMF Modal Effective Mass Fraction
MEW Modal Effective Weight
MIMO Multiple Input Multiple Output
MPC Multi Point Constraint
MPF Modal Participation Factor
MWEI Mass Weighted Effective Independence
MRPT Minimum Rank Perturbation Theory
RKE Residual Kinetic Energy
RSS Root Sum Square
SEREP System Equivalent Reduction Expansion Process
SPC Single Point Constraint
SPCF Single Point Constraint Force
SVD Singular Value Decomposition
TAM Test-Analysis Model