Aircraft and Rotorcraft System Identification: Engineering Methods with Flight-Test Examples

| ACAH | = | attitude command, attitude hold |
| ADOCS | = | Advanced Digital Optical Control System |
| AFCS | = | Automatic Flight Control System |
| AFDD | = | U.S. Army Aeroflightdynamics Directorate (Ames Research Center) |
| AGARD | = | Advisory Group for Aerospace Research and Development |
| AIAA | = | American Institute of Aeronautics and Astronautics |
| ARI | = | aileron-to-rudder interconnect |
| ASE | = | aeroservoelastic, also automatic stabilization equipment (SH-2G) |
| CIFER | = | Comprehensive Identification from Frequency Responses software package |
| COMPOSITE | = | CIFER program that combines multiple spectral windows to achieve a final frequency response |
| CONDUIT | = | Control Designer's Unified Interface software package |
| CZT | = | chirp z-transform |
| DERIVID | = | CIFER program used to identify a state-space model structure that best fits the MIMO frequency-response database |
| DFT | = | discrete Fourier transform |
| DLR | = | Deutsche Forshungsanstalt f r Luft- und Raumfahrt (until 1989: DFVLR) |
| DOF | = | degree(s) of freedom |
| FCS | = | Flight control system |
| FFT | = | fast Fourier transform |
| FRESPID | = | CIFER program that calculates SISO frequency responses using a chirp z-transform (an advanced FFT) |
| GENHEL | = | Sikorsky general helicopter flight dynamics simulation program |
| GTR | = | generic tilt-rotor simulation |
| HQR | = | Cooper-Harper handling-qualities rating |
| IMU | = | inertial measurement unit |
| LOES | = | lower-order equivalent system |
| LTI | = | linear time invariant |
| MCLAWS | = | modernized control laws |
| MIL-STD-nnnn | = | military requirements standard |
| MIMO | = | multiple-input/multiple-output |
| MISO | = | multiple-input/single-output |
| MISOSA | = | CIFER program that determines frequency responses when multiple inputs are present |
| MUAD | = | maximum unnoticeable added dynamics |
| NASA | = | National Aeronautics and Space Administration (US) |
| NAVFIT | = | CIFER |