# PART 15. ACRONYMS [AND]{.smallcaps} ABBREVIATIONS

AC Atmospheric Corrector

ACCN ALI Calibration Control Node

ACDS Attitude Control and Data System

ACCS Atmospheric Corrector Calibration System

ACDS Attitude Control and Data System

ACE Attitude Control Electronics

ACORN Atmospheric CORrection Now

ACS Attitude Control System

A/D Analog-to-Digital

ADT Architecture Design Team

AGC Automatic Gain Control

AgTe Silver Teflon

Ah Ampere-hour(s)

AIG Analytical Imaging and Geophysics

AI Artificial Intelligence

ALI Advanced Land Imager

ALICE ALI Control Electronics

Am Ampere-meter(s)

AMO Air-Mass-Zero

ANPP Aboveground Net Primary Productivity

ARM Atmospheric Radiation Measurement

ASD Analytical Spectral Devices

ASIC Application-Specific Integrated Circuit

ASIST Advanced Spacecraft Integration and Systems Test

ASM Attached Sync Marker

ASPEN Automated Scheduling and Planning Environment

AST Autonomous Star Tracker

ASTER Advanced Spaceborne Thermal Emission and Reflectanace Radiometer

ATREM Atmospheric REMoval

ATS Absolute Time Sequence

ATSR Along Track Scanning Radiometer

AVHRR Advanced Very Resolution Radiometer

AVIRIS Airborne Visible and Infrared Imaging Spectrometer

BEF Bartlett Experiment Forest

BER Bit Error Rate

BOL Beginning of Life

BPC Bayesian Pairwise Classifier

BRDF Bidirectional Reflectance Distribution Function

BSFR Back Surface Field and Reflector

C Celsius

CADU Channel Access Data Unit

CART Cloud and Radiation Testbeds

CASI Compact Airborne Spectrographic Imager

CASPER Continuous Activity Scheduling Planning Execution and Replanning

C-CAP Coastal Change Analysis Program

CCD Charge Coupled Device

C-C Carbon-Carbon

CCR Carbon-Carbon Radiator

CCSDS Consultative Committee for Space Data Systems

C&DH Command and Data Handling

CDOM Colored Dissolved Organic Matter

cFE    Core Flight Executive 

CFI Continuous Forest Inventory

CIA Coleambally Irrigation Area

CIGS Copper Indium Gallium Diselinide

CIR Color-Infrared

C/N Carrier-to-Noise

COBE Cosmic Background Explorer

CPU Central Processing Unit

CPT Comprehensive Performance Test

CRAP Calibration Reduction Accuracy Problems

CRC Cyclic-Redundancy Check

CSOC Consolidated Space Operations Contract

CSIRO Commonwealth Scientific and Industrial Research Organisation

CSR Center for Space Research

CSRP Carbon-Carbon Spacecraft Radiator Partnership

CTE Coefficient of Thermal Expansion

CuInSe~2~ Copper Indium Diselinide

CIS Copper Indium Diselinide

CVI Chemical Vapor Infiltration

dB Decibel

dBW Decibel-Watts

dBm Decibel-Milliwatts

DCE Data Collection Event

DEM Digital Elevation Model

DET Direct Energy Transfer

DFA Discriminant Function Analysis

DJ GaAs Dual Junction Gallium Arsenide

DLL Dynamic Link Libraries

DLT Digital Linear Tape

DN Digital Number

DPF Data Processing Facility

DRAM Dynamic Random Access Memory

DSN Deep Space Network

ECU Electronic Control Unit

EDAC Error Detection and Correction

EDOS    Earth Observing System Data Operations System

EDU Engineering Development Unit

EEPROM Electronically Erasable Programmable Read Only Memory

EFF Enhanced Formation Flying

EFFORT Empirical Flat Field Optimal Reflectance Transformation

EFL Effective Focal Length

EGSE Electrical Ground Support Equipment

EIRP Effective Isotropic Radiated Power

EIRR External Independent Readiness Review

EMI/EMC Electromagnetic Interference/ Electromagnetic Compatibility

EO-1 Earth Observing-1

EOCAP Earth Observations Commercial Applications Program

EOL End of Life

EOS Earth Observing System

EPOS    Earth Phenomena Observing System

EROS Earth Resources Observation and Science

ESDIS Earth Science Data and Information System

ESE    Earth Science Enterprise

ESF Edge Spread Function

ESMO    Earth Science Mission Operations

ESN Essential Services Node

ESTO    Earth-Sun Systems Technology Office

ETM+ Enhanced Thematic Mapper

EVEOSD Evaluation and Validation of EO-1 for Sustainable Development

FDC Failure Detection & Correction

FLAASH Fast Line-of-sight Atmospheric Analysis of Spectral Hypercubes

FMEA Failure Mode and Effects Analysis

FOM Figure of Merit

FOT Flight Operations Team

FOV Field of View

FPA Focal Plane Array, Assembly

FPE Focal Plane Electronics

FPGA Field Programmable Gate Array

FWHM Full Width Half Maximum

GaAs/Ge Gallium Arsenide on Germanium

Gbit Gigabit

GC Green Cover

GCP Ground Control Point

GER Geophysical and Environment Research Corp.

GGS Goddard Ground Station

GIS Grating Image Spectrometer

GIS Geographic Information System

GMM Geometric Math Model

GMSEC GSFC Mission Services Evolution Center

GMT    Greenwich Mean Time

GN Ground Network

GN&C Guidance Navigation & Control

GPIB General Purpose Interface Bus

GPS Global Positioning System

GRC Glenn Research Center

GSE Ground Support Equipment

GSFC Goddard Space Flight Center

HATCH High Accuracy ATmospheric Correction

HDF Hierarchical Data Format

HgCdTe Mercury Cadmium Telluride

HK Housekeeping

HOORC Harry Oppenheimer Okavango Research Center

HOP High Output Paraffin

HOPA High Output Paraffin Actuator

HS Hyperspectral

Hz Hertz

I Measured Reflected Intensity

ICD Interface Control Document

IDL Interactive Data Language

IF Intermediate Frequency

IFOV Instantaneous Field of View

IG Inverted-Gaussian

ILS Integrated Logistics Support

InGaAs Indium Gallium Arsenide

InP Indium Phosphide

I/O Input/Output

IPDT Integrated Product Development Team

IR Infrared

ISS International Space Station

I&T Integration and Test

J Joule

JAN JPL Autonomous Navigation

JPL Jet Propulsion Laboratory

K Kelvin

krad (Si) Radiation Dose - kilo-rads in Silicon

L2 Livingstone 2

LAC Leaf Area Index

LDCM Landsat Data Continuity Mission

LED Light Emitting Diode

LEISA/AC Linear Etalon Imaging Spectral Array/Atmospheric Corrector

LFSA Lightweight Flexible Solar Array

LHC Left-hand Circular

LNA Low-Noise Amplifier

LOS Lines of Sight

LO Local Oscillator

LPT Limited Performance Test

LSF Line Spread Function

LUPI Laser Unequal Path Interferometer

LUT Look-up Table

LVE Linear Variable Etalon LPT

LXR Landsat Transfer Radiometer

MAC Maricopa Agricultural Center

Mbits/s Megabits per second

Mbps Millibits per second

MCM Multi-Chip Module

MEOP Mean Effective Operating Pressure

MFR Multi-Frequency Shadow-Band Radiometer

MHz Megahertz

MIL-STD Military Standard

MIT Massachusetts Institute of Technology

MIVIS Multispectral Infrared Visible Imaging Spectrometer

MLC Maximum Likelihood Classification

MLI Multi-Layer Insulation

MLT    Mean Local Time

MMIC Monolithic Microwave Integrated Circuit

MNF Maximum Noise Fraction

MODIS Moderate Resolution Imaging Spectroradiometer

MOC Mission Operations Center

mrad milliradian

MS Multispectral

MSSP Medium Speed Serial Port

MSR Modified Simple Ratio

MTB     Magnetic Torquer Bar

MTF Modulation Transfer Function

MTMF Mixture Tuned Matched Filter

N Nitrogen

N~2~ Nitrogen

NDVI Normalized Difference Vegetation Index

NDWI Normalized Difference Water Index

NF Near Field

NGST Next Generation Space Telescope

NIR Near Infrared

NIST National Institute of Standards and Technology

NLI Non-Linear Vegetation Index

nm nanometer

Nm Newton-meter(s)

NMP New Millennium Program

NPP National Polar-orbiting Operational Environmental Satellite System
Preparatory Project

NPV Non-Photosynthetic Vegetation

NRA NASA Research Announcement

NRZ Non-Return to Zero

NRZ-L Non-Return to Zero - L

NRZ-M Non-Return to Zero - M

NSI Near Field Systems, Inc.

OAP Orbit Average Power

OLI        Operational Land Imager

OTF Optical Transfer Function

OVP Over Voltage Protection

PAA Phased Array Antenna

PAE Power Added Efficiency

PAM Performance Assessment Machine

Pan Panchromatic

PCA Principal Components Analysis

PLS Partial Least Squares

PM Phase Modulate

PN Pseudo-Random Noise

PPI Pixel Purity Index

PPT Pulsed Plasma Thruster

PRF Pseudo-Random Fluctuation

PROM Programmable Read Only Memory

PRT Platinum Resistance Temperature

PSE Power Supply Electronics

PSF Point Spread Function

PSK Phase Shift Key

PTF Phase Transfer Function

PV Photovoltaic

PV Photosynthetic Vegetation

PVI Perpendicular Vegetation Index

PWB Printed Wiring Board

Q Quadrature

QPSK Quadrature Phase Shift Key

R Reflectance Spectra

RCS Reaction Control System

RDVI Renormalized Difference Vegetation Index

REP Red Edge Position

RF Radio Frequency

RFM Rational Function Model

RGA Residual Gas Analyzer

RGB Red/Green/Blue

RMS Root Mean Square

RMSE Root Mean Square Error

ROI Region of Interest

ROIC Readout Integrated Circuit

ROLO Robotic Lunar Observatory

rpm revolutions per minute

RSN Remote Services Node

RT Remote Terminal

RTS Real-Time Sequencer

RWA Reaction Wheel Assembly

RWP Red Well Position

SAM Spectral Angle Mapper

SAVI Soil Adjusted Vegetation Index

SBRS Santa Barbara Remote Sensing (Raytheon SBRS)

SCA Sensor Chip Assembly

SCR Silicon-Controlled Rectifier

SDO Solar Dynamics Observatory SEL

SeaWiFS Sea-viewing Wide Field-of-view Sensor

SEL Single-Event Latchup

Si Silicon

SiC Silicon Carbide

SMA Spectral Mixture Analysis

SMA Shape Memory Alloys

SNiCd Super Nickel Cadmium

SNR Signal-to-Noise Ratio

SODA Space Operations Directive Agreement

SOTA Special Operations Test Area

SPOT Systeme Pour L'Observation de la Terre

SR Simple Ratio

SRTM Shuttle Radar Topography Mission

SRVI Simple-Ratio Vegetation

SSDIF Spacecraft Systems Development and Integration Facility

SSPA Solid-State Power Amplifier

STDN Space Tracking and Data Network

STF Spatial Transfer Function

STM Structural Thermal Model

STOL Standard Test Operating Language

SUG Spacecraft User's Guide

SVF Science Validation Facility

SVT Science Validation Team

SWG Science Working Group

SWIR Shortwave Infrared

TAM     Three Axis Magnetometer

TCS Thermal Control System

TDRSS Tracking and Data Relay Satellite System

TEC Thermal Electric Cooler

TID Total Ionizing Dose

TIS Total Integrated Scatter

TMM Top of Atmosphere

TRMM Tropical Rainfall Measuring Mission

TSAVI Transformed Soil Adjusted Vegetation Index

TSM Telemetry and Statistics Monitor

USGS U.S. Geological Survey

UTC    Coordinated Universal Time

UV Ultraviolet

VCDU Virtual Channel Data Unit

VDC Volts-DC

VI Vegetation Indices

VNIR Visible and Near-Infrared

W Watts

WAIM Wide-Angle Impedance Matching

WARP Wideband Advanced Recorder Processor

WDVI Weighted Difference Vegetation Index

WFE Wave Front Error

WFOV Wide Field of View

WIS Wedged Imaging Spectrometer

WOOD Aboveground Woody Biomass Production

XPAA X-Band Phased Array Antenna

XTE X-ray Timing Explorer

YNP Yellowstone National Park