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MONOFREQUENCE [16 records]

Record 1 2024-01-27

English

Subject field(s)
  • Lasers and Masers
DEF

a dynamically single-mode (DSM) laser.

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 1

Record 2 2010-05-19

English

Subject field(s)
  • Telecommunications
OBS

The use of single frequency tones to perform signalling and supervisory functions on a channel. Such tones may be used to indicate answer or disconnect on DDD [direct distance dialed] calls for billing purposes, etc.

Key term(s)
  • single-frequency signaling
  • single frequency signaling
  • SF signaling
  • one-frequency signaling
  • one frequency signalling
  • one frequency signaling

French

Domaine(s)
  • Télécommunications
OBS

Consiste à utiliser des tonalités à une seule fréquence pour la réalisation des fonctions de signalisation et surveillance sur un circuit. Ces tonalités peuvent servir à indiquer, pour les besoins de la facturation, qu'il y a réponse ou qu'il y a eu raccrochage dans le cas, par exemple, des appels interurbains faits par l'abonné même. Elles peuvent engendrer des perturbations dans la transmission des données.

Spanish

Save record 2

Record 3 2002-11-13

English

Subject field(s)
  • Telecommunications Facilities
  • Radio Broadcasting
CONT

Indeed, COFDM [Coded Orthogonal Frequency Division Multiplexing] allows the introduction of intentional 'man-made multipath', where all the transmitters within the transmission network operate on the same frequency - a single frequency network or SFN. This efficient use of valuable radio-frequency spectrum would never be possible with existing analogue transmission systems.

French

Domaine(s)
  • Installations de télécommunications
  • Radiodiffusion
CONT

La planification des allotissements pour les stations AM devrait être effectuée en fonction des mêmes critères que ceux qui régissent les stations FM : permettre le remplacement des stations AM à large couverture par des installations de radio numérique équivalant à la station FM de la classe supérieure de la collectivité, en utilisant un réseau monofréquence ou des prolongateurs de couverture.

Spanish

Save record 3

Record 4 1996-03-18

English

Subject field(s)
  • Electronics
Key term(s)
  • one frequency

French

Domaine(s)
  • Électronique

Spanish

Save record 4

Record 5 1995-10-30

English

Subject field(s)
  • Telephone Metering
  • Telecommunications Transmission
  • Measurements of Electricity
OBS

UD-1 1994: U.S. Department of National Defense Dictionary of Military and Associated Terms. Includes U.S. acronyms and abbreviations and NATO terms (English only).

French

Domaine(s)
  • Téléphonométrie
  • Transmission (Télécommunications)
  • Mesures de grandeurs électriques

Spanish

Save record 5

Record 6 1990-11-22

English

Subject field(s)
  • Radiotelephony
  • Telephone Services

French

Domaine(s)
  • Radiotéléphonie
  • Services téléphoniques
OBS

téléphonie

Spanish

Save record 6

Record 7 1990-11-22

English

Subject field(s)
  • Radiotelephony
  • Telephone Services

French

Domaine(s)
  • Radiotéléphonie
  • Services téléphoniques
OBS

une seule fréquence à la fois

OBS

téléphonie

Spanish

Save record 7

Record 8 1990-01-15

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 8

Record 9 1989-11-03

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry
DEF

A basic radar signal.

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 9

Record 10 1989-09-11

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 10

Record 11 1989-09-11

English

Subject field(s)
  • Radar, Radio Guidance and Goniometry

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 11

Record 12 1989-02-01

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 12

Record 13 1989-02-01

English

Subject field(s)
  • Lasers and Masers
CONT

A single-frequency injection laser is a promising source of emission for such application fields as optical communication with high transmission capacity, high-resolution spectroscopy, as well as optical frequency standards. The important characteristics of such a laser are its emission line width and intensity stability.

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 13

Record 14 1989-02-01

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 14

Record 15 1986-05-27

English

Subject field(s)
  • Telecommunications Switching
OBS

SF: single frequency.

Key term(s)
  • integrated SF signaling

French

Domaine(s)
  • Commutation (Télécommunications)

Spanish

Save record 15

Record 16 1985-06-28

English

Subject field(s)
  • Lasers and Masers

French

Domaine(s)
  • Masers et lasers

Spanish

Save record 16

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