| Appendix 5 - Definition
of Terms, E - I |
Cat 5
Cat6 |
"Electronically steerable phased
array antenna"
An antenna which forms a beam by means of phase coupling, i.e.,
the beam direction is controlled by the complex excitation coefficients
of the radiating elements and the direction of that beam can be varied
in azimuth or in elevation, or both, by application, both in transmission
and reception, of an electrical signal.
|
Cat 2
ML 17 |
"End-effectors"
"End-effectors" include grippers, "active tooling units" and any
other tooling that is attached to the baseplate on the end of a "robot"
manipulator arm.
N.B. "Active tooling unit": a device for applying motive power,
process energy or sensing to the workpiece.
|
| Cat 6 |
"Equivalent Density"
The mass of an optic per unit optical aeea projected onto the optical
surface.
|
Cat 4
Cat 7 |
"Expert systems"
Systems providing results by application of rules to data which are
stored independently of the "programme" and capable of any of the following:
- Modifying automatically the "source code" introduced by the user;
- Providing knowledge linked to a class of problems in quasi-natural
language; or
- Acquiring the knowledge required for their development (symbolic
training).
|
| ML 7 |
"Expression Vectors"
Carriers (e.g., plasmid or virus) used to introduce genetic material
into host cells.
|
| Cat 9 |
"FADEC"
Full Authority Digital Engine Control (FADEC) - an electronic control
system for gas turbine or combined cycle engines utilising a digital
computer to control the variables required to regulate engine thrust
or shaft power output throughout the engine operating range from the
beginning of fuel metering to fuel shutoff.
|
| Cat 3 |
"Family"
Consists of microprosor or microcomputer microcircuits with:
- The same architecture;
- The same basic instruction set; and
- The same basic "technology" (e.g., only NMOS or only CMOS).
|
Cat 4
Cat 5 |
"Fast select"
A facility applicable to virtual calls which allows a data terminal
equipment to expand the possibility to transmit data in call set-up
and clearing "packets" beyond the basic capabIlities of a virtual call.
N.B. - "Packet": a group of binary digits including data and
call control signals which is switched as a composite whole. The data,
call control signals and possibly error control information are arranged
in a specified format.
|
| Cat 4 |
"Fault tolerance"
The capability of a computer system, after any malfiinction of any
of its hardware or "software" cbmponents, to continue to operate without
human intervention, at a given level of service that provides continuity
of operation, data integrity and recovery of service within a given
time.
|
Cat 1
Cat 8 |
"Fibrous or filamentary materials"
Include:
- Continuous monofilaments;
- Continuous yarns and rovings;
- Tapes, fabrics, random mats and braids;
- Chopped fibres, staple fibres and coherent fibre blankets;
- Whiskers, either monocrystalline or polycrystalline, of any length;
- Aromatic polyamide pulp.
|
|
Cat 3
|
"Film type integrated circuit"
An array of "circuit elements" and metallic interconnections formed
by deposition of a thick or thin film on an insulating "substrate".
N.B. "Circuit element": a single active or passive functional
part of an electronic circuit, such as one diode, one transistor, one
resistor, one capacitor, etc.
|
| ML 15 |
"First generation image intensifier
tubes"
Electrostatically focused tubes, employing input and output fibre
optic or glass face plates, multi-alkali photocathodes (S-20 or S-25),
but not microchannel plate amplifiers.
|
| Cat 5 |
"Fixed"
The coding or compression algorithm cannot accept externally supplied
parameters (e.g., cryptographic or key variables) and cannot be modified
by the user.
|
| Cat 2 |
"Flexible manufacturing unit"
("FMU"),
(sometimes also referred to as flexible manufacturing system (FMS)
or flexible manufacturing cell (FMC))
An entity which includes a combination of at least:
- A "digital computer" including its own "main storage and its own
related equipment; and
- Two or more of the following:
- A machine tool described in 2.B. 1.c.;
- A dimensional inspection machine described in 2., or another
digitally controlled measuring machine controlled by 2.;
- A "robot" controlled by 2., 8. or Item 17 on the Munitions
List;
- Digitally controlled equipment controlled by l.B.3., 2.B.3.
or 9.B.l.;
- "Stored programme cuntrolled" equipment controlled by 3.B.l.a.;
- Digitally controlled equipment controlled by 1.B.1.;
- Digitally controlled electronic equipment controlled by 3.A.2.c.
|
| Cat 7 |
"Flight control optical sensor
array"
A network of distributed optical sensors, using "laser" beams, to
provide real-time flight control data for on-board prosing.
|
| Cat 7 |
"flight path optimization"
A procedure that minimizes deviations from a four-dimensional (space
and time) desired trajectory based on maximizing performance or effectiveness
for mission tasks.
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| Cat 6 |
"Fluoride fibres"
Fibres manufactured from bulk fluoride compounds.
|
| Cat 2 |
"FMU" - see "flexible manufacturing
unit" |
| Cat 6 |
"Focal plane array"
A linear or two-dimensional planar layer, or combination of planar
layers, of individual detector elements, with or without readout electronics,
which work in the focal plane.
N.B. - This definition does not include a stack of single detector
elements or any two, three or four element detectors provided time delay
and integration is not performed within the element.
|
| Cat 5 |
"Frequency agility" (frequency
hopping)
A form of "spread spectrum" in which the transmission frequency of
a single communication channel is made to change by discrete steps.
|
| Cat 6 |
"Frequency agility" (radar) -
see "Radar frequency agility" |
Cat 3
Cat 5 |
"Frequency switching time"
The maximum time (i.e., delay), taken by a signal, when switched
from one selected output frequency to another selected output frequency,
to reach:
- A frequency within 100Hz of the fmal frequency; or
- An output level within 1 dB of the final output level.
|
| Cat 3 |
"Frequency synthesiser"
Any kind of frequency source or signal generator, regardless of the
actual technique used, providing a multiplicity of simultaneous or alternative
output frequencies, from one or more outputs, controlled
by, derived from or disciplined by a lesser number of standard (or master)
frequencies.
|
| Cat 1 |
"Gas Atomisation"
A process to reduce a molten stream of metal alloy to droplets of
500 µm diameter or less by a high pressure gas stream.
|
| Cat 5 |
"Gateway"
The function, realised by any combination of equipment and "software",
to carry out the conversion of conventions for representing, processing
or communicating information used in one system into the corresponding
but different conventions used in another system.
|
| Cat 5 |
"Generic software"
A set of instructions for a "stored programme controlled" switching
system that is the same for all switches using that type of switching
system.
N.B. - The data base portion is not considered to be part of
the "generic software".
|
| Cat 6 |
"Geographically dispersed"
Sensors are considered "geographically dispersed" when each location
is distant from any other more than 1,500 m in any direction. Mobile
sensors are always considered "geographically dispersed".
|
| Cat 4 |
"Global interrupt latency time"
The time taken by the computer system to recognize an interrupt due
to the event, service the interrupt and perform a context switch to
an alternate memory-resident task waiting on the interrupt.
|
| Cat 2 |
"Hot isostatic densification"
A process of pressurising a casting at temperatures exceeding 375
K (1020C) in a closed cavity through various media (gas,
liquid, solid particles, etc.) to create equal force in all directions
to reduce or eliminate internal voids in the casting.
|
| Cat 4 |
"Hybrid computer"
Equipment which can:
- Accept data;
- Process data, in both analogue and digital representations; and
- Provide output of data.
|
| Cat 3 |
"Hybrid integrated circuit"
Any combination of integrated circuit(s), or integrated circuit with
"circuit elements" or "discrete components" connected together
to perform (a) specific function(s), and having all of the following
characteristics:
- Containing at least one unencapsulated device;
- Connected together using typical IC production methods;
- Replaceable as an entity; and
- Not normally capable of being dissssembled.
N.B.l - "Circuit element": a single active or passive functional
part of an electronic circuit, such as one diode, one transistor, one
resistor, one capacitor, etc.
N.B.2 - "Discrete component : a separately packaged "circuit
element" with its own external connections.
|
| Cat 4 |
"Image enhancement"
The processing of externally derived information-bearing images by
algorithms such as time compression, filtering, extraction, selection,
correlation, convolution or transformations between domains (e.g., fast
Fourier transform or Walsh transform). This does not include algorithms
using only linear or rotational transformation of a single image, such
as translation, feature extraction, registration or false coloration.
|
| Cat 5 |
"Information security"
All the means and functions ensuring the accessibility, confidentiality
or integrity of information or communications, excluding the means and
functions intended to safeguard against malfunctions. This includes
"cryptography", "cryptanalysis", protection against compromising emanations
and computer security.
N.B. - "Cryptanalysis": the analysis of a cryptographic system
or its inputs and outputs to derive confidential variables or sensitive
data, including clear texL (ISO 7498-2-1988 (E), paragraph 3.3.18).
|
| Cat 3 |
"Instantaneous bandwidth"
The bandwidth over which output power remains constant within 3 dB
without adjustment of other operating parameters.
|
| Cat 6 |
"Instrumented range"
The specified unambiguous display range of a radar.
|
| Cat 5 |
"Integrated Services Digital Network"
("ISDN")
A unified end-to-end digital network, in which data originating from
all types of communication (e.g., voice, text, data, still and moving
pictures) are transmitted from one port (terminal) in the exchange (switch)
over one access line to and from the subscriber.
|
| Cat 6 |
"Interconnected radar sensors"
Two or more radar sensors are interconnected when they mutually exchange
data in real time.
|
GTN
GSN |
"In the public domain"
As it applies to the Dual-Use List, means "technology" or "software"
which has been made available without restrictions upon its further
dissemination.
N.B. - Copyright restrictions do not remove "technology" or "software"
from being "in the public domain".
|
| Cat 6 |
"Intrinsic Magnetic Gradiometer"
A single magnetic field gradient sensing element and associated electronics
the output of which is a measure of magnetic field gradienL (See also
"Magnetic Gradiometer")
|
| Cat 5 |
"ISDN" - see "Integrated Services
Digital Network" |
| Cat 2 |
"Isostatic presses"
Equipment capable of pressurising a closed cavity through various
media (gas, liquid, solid parLicles, etc.) to create equal pressure
in all directions within the cavity upon a workpiece or material.
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