GRB

Graphic quality related to the hue of a colour, it is the degree of intensity of a colour.

Defects in lens where it results in the failure to focus.

Conventional International Origin

Cured In-Place Pipe

Measure of horizontal precision.

Marine Positioning based on simultaneous distance observations from two or more known stations using ranging methods.

Polarization of EM wave in which direction of electric field is changed into a rotary manner without changing the strength. Type: 1) Left Hand Circular Polarized 2) Right Hand Circular Polarized

Circle that passes through the vertices of the polygon the Circumscribed Circle belonged to.

Civil-Long Code

Reference ellipsoid used as a basis for North American Datum 1927 (NAD27), it is based on measurements taken in Europe, India, Peru, Russia, and South Africa.

Class in survey refers to the planned and/or achieved precision in the survey network, affect by: 1) Survey Design 2) Survey Practice 3) Equipment 4) Adjustment/Reduction Method

Objects/features/data with similar attributes.

Map Generalization technique where symbols/features/data are ordered/scaled/sorted by attributes.

Clearly understand issues and able to identify the difference with others.

Computers/Machines in the network that requests data/process.

Network architecture where there are Clients request data/processes from Servers, the majority of the processing work will be done on the Client side.

Computing distribution where tasks and/or workloads are distributed between service providers (servers) and service requesters (clients)

Distributed Database System using Client-Server architecture.

Map showing geographical distribution of climatic factors (e.g., rainfall) occuring within a set time period.

GIS operation that can create a new layer of data from an extracted portion, process of selecting features within a defined boundary.

When time between the clocks (oscillators) does not run at the same speed.

Traverses that are mathematically closed but can be geometrically opened or closed and must start and end on a point with high order of positional accuracy.

Analysis technique that computes facilities located closest to a selected location based on shortest path.

Practice of using a network of computer servers to store, manage, and process data.

The task of organizing a set of objectsin the same group,called a cluster,whose members are more similar (in some sense or another) to each other than to those in other groups (clusters).

Distance tolerance between vertices, vertices within cluster tolerance are snapped together during validation.

See description on Unsupervised Classification.

Unrelated signals that are different to the target scattering but occur on the same display.

Civil-Moderate Code

Circular Map Accuracy Standard

Course-Made-Good

Cyan, Magenta, Yellow, Black, Orange, Green

Compass Navigation Satellite System

Lines on tidal charts showing degrees/time units.

Lines on tidal charts showing amplitudes/heights of tides.

Particularly designed to measure the color and temperature of the coastal zones of oceans.

Binary sequence generated from code generator, with amplitude values of +1 or -1.

Channel access technique for use in radio communication.

Measurements based on C/A Code,

Feedback loop used by receivers to generate and match incoming codes from GPS satellites.

Matrix consisting of coefficients of variables in a set of linear equations.

Able to logically and rationally express comments and ideas.

When two modulated carrier waves reach the same phase angle at exactly the same time.

Interpolation technique that uses secondary variables correlated with primary variable of interest for interpolation, giving a better prediction.

Reducing the dimension of a map element (e.g., Line-->Point, Area-->Point, Area-->Line).

Type of systematic error, it is the angular difference between the line of sight and the horizontal.

A property of a set of points that lies on a single line.

To transfer the color from one space system(e.g. RGB) to another color space system(e.g. Intensity-Hue-Saturation) to display the color

The temperature of an blackbody radiates lights of comparable hue to that of the light source.

There are two theories explain color vision theory, trichromatic theory of color vision and opponent process of color vision.