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WIRELESS SENSOR [7 records]

Record 1 2025-06-19

English

Subject field(s)
  • Information Processing (Informatics)
  • IT Security
CONT

Key distribution is an important issue in wireless sensor network(WSN) design. There are many key distribution schemes in the literature that are designed to maintain an easy and at the same time secure communication among sensor nodes.... Key distribution and key storage are more problematic in the cloud due to the transitory nature of the agents on it.

PHR

key distribution protocol

French

Domaine(s)
  • Traitement de l'information (Informatique)
  • Sécurité des TI
CONT

Cryptographie quantique [...] la difficulté de l'utilisation de «One Time Pad» [système inviolable] provient de la difficulté de la distribution des clefs. Comme une clef peut être une suite aléatoire de 0 et de 1, le problème est ramené au problème de l'acheminement d'une suite aléatoire de 0 et de 1 entre un émetteur et un récepteur, sans qu'elle puisse être interceptée par l'adversaire.

Spanish

Campo(s) temático(s)
  • Tratamiento de la información (Informática)
  • Seguridad de IT
CONT

La mayor ventaja de la criptografía asimétrica es que la distribución de claves es más fácil y segura ya que la clave que se distribuye es la pública manteniéndose la privada para el uso exclusivo del propietario.

Save record 1

Record 2 2025-03-11

English

Subject field(s)
  • Computer Programs and Programming
  • Music (General)
  • Artificial Intelligence
CONT

The harmony search algorithm(HSA) is a swarm intelligence optimization algorithm which has been successfully applied to a broad range of clustering applications, including data clustering, text clustering, fuzzy clustering, image processing, and wireless sensor networks.

CONT

The HSA, inspired by musical performance process, consists of three operators: random search, harmony memory considering rule, and pitch adjusting rule.

French

Domaine(s)
  • Programmes et programmation (Informatique)
  • Musique (Généralités)
  • Intelligence artificielle

Spanish

Campo(s) temático(s)
  • Programas y programación (Informática)
  • Música (Generalidades)
  • Inteligencia artificial
CONT

[...] el algoritmo de búsqueda armónica se basa en el proceso de la improvisación musical [...]

Save record 2

Record 3 2023-12-28

English

Subject field(s)
  • Internet and Telematics
  • Scientific Instruments
  • General Medicine, Hygiene and Health
CONT

Wireless body area networks(WBANs) are a particular type of sensor network using wireless sensor nodes on a person's body to measure physiological parameters such as blood pressure, body temperature, heart rate, and blood sugar level, enabling a patient's health to be monitored remotely. WBANs can be either wearable or implantable.

OBS

Applications include but are not limited to: health and wellness monitoring[;] sports training (e.g., to measure performance)[;] personalized medicine (e.g., heart monitors)[;] personal safety (e.g., fall detection)[.]

French

Domaine(s)
  • Internet et télématique
  • Instruments scientifiques
  • Médecine générale, hygiène et santé

Spanish

Save record 3

Record 4 2019-06-27

English

Subject field(s)
  • Scientific Research Methods
  • Scientific Instruments
  • Informatics
CONT

A wireless sensor network(WSN) usually consists of numerous wireless devices deployed in a region of interest, each of which is capable of collecting and processing environmental information and communicating with neighboring devices. The problem of sensor placement becomes non trivial when we consider environmental factors such as terrain elevations. … Following a stepwise [sensor placement] optimization approach, we propose a crowd-out dominance search(CODS), which makes use of terrain information and intersensor relationship information to facilitate the optimization.

French

Domaine(s)
  • Méthodes de recherche scientifique
  • Instruments scientifiques
  • Informatique
OBS

recherche par dominance d'éviction : désignation proposée par un spécialiste du domaine.

Spanish

Save record 4

Record 5 2018-04-19

English

Subject field(s)
  • Internet and Telematics
  • Scientific Instruments
CONT

A wireless sensor network is a wireless network consisting of spatially distributed autonomous devices that use sensors to monitor physical or environmental conditions.

French

Domaine(s)
  • Internet et télématique
  • Instruments scientifiques
CONT

[…] un réseau de capteurs sans fil (RCSF) est composé d'un ensemble de nœuds capteurs munis de transmetteurs sans fil.

Spanish

Campo(s) temático(s)
  • Internet y telemática
  • Instrumentos científicos
Save record 5

Record 6 2012-05-28

English

Subject field(s)
  • Infantry
  • Telecommunications
  • Modernization of Military Equipment
CONT

The... wireless soldier is expected to be equipped with a body area network consisting of a number of wireless products communicating with each other : PDA [personal digital assistant]/mobile phone, helmet/visor with head display, watch, weapon, supplies, cartridges, sensors on body or garment. All these systems can gather data, exchange data with each other and can give the soldier the essential info via his PDA, earplug, display, watch, etc. The wireless soldier is [connected] via phone and PDA... to the centric warfare system, his commander, the distributed sensor network on the battlefield and his fellow soldiers.

French

Domaine(s)
  • Infanterie
  • Télécommunications
  • Modernisation du matériel militaire

Spanish

Save record 6

Record 7 2008-12-15

English

Subject field(s)
  • Weather Stations and Meteorological Instruments and Equipment
CONT

Air quality measuring devices were installed in the province yesterday to test the level of pollution.

CONT

This Air Quality Sensor for Wireless Weather Stations measures pollen, dust and many other volatile air particles.

CONT

An ounce of prevention is worth a pound of cure. While airborne pollutants are measured in micrograms per cubic meter, taking steps before their concentration reaches critical levels can still save lungs, and lives. City buses equipped with air quality sensors and GPS receivers report in real-time exactly where and by exactly how much air quality has deteriorated.

OBS

Air pollutants occur both outdoors or indoors, and can be natural or man-made. ... Typical urban air pollutants from man-made activities include nitrogen oxides, carbon monoxide, sulphur dioxide, hydrocarbons and particulate matter. ... Common sources of these primary pollutants include power station and industrial plants ... and road transport ... Ozone is a secondary pollutant, formed in the air as a result of chemical reactions. ... Common indoor air pollutants include carbon monoxide and nitrogen dioxide from faulty gas heaters and cookers, carbon monoxide and benzene from cigarette smoke, and volatile organic compounds (VOCs) from synthetic furnishings, vinyl flooring and paints. In addition, there are biological pollutants such as dust mites and mould.

French

Domaine(s)
  • Stations, instruments et équipements météorologiques
CONT

La qualité de l'air dans les villes fait maintenant partie des préoccupations principales du monde occidental. La circulation automobile intense, liée à des conditions météorologiques particulières (atmosphère stable, absence de vent, fort ensoleillement), est souvent la principale source de pollution atmosphérique, qui entraîne notamment des affections respiratoires chez l'homme. Des réseaux d'instruments de mesure de la qualité de l'air ont été établis dans les grandes villes. Ils sont généralement composés de quelques stations de mesure et sont surtout un moyen d'alerte. C'est également un outil de grande valeur pour les chercheurs et pour les décideurs, leur permettant de savoir comment la pollution évolue en fonction de différents paramètres.

CONT

[Le] Centre des recherches atmosphériques (Egbert, ON) [...] se compose [entre autres] d'un [...] bâtiment de mesure de la qualité de l'air [où] des capteurs extérieurs [sont] installés sur le toit en terrasse pour mesurer les concentrations ambiantes de matière particulaire, de dépôts acides et de produits chimiques toxiques. [Ces] instruments de mesure de la qualité de l'air [...] recueillent des mesures représentatives de la qualité de l'air ambiant et des données météorologiques destinées aux projets de recherche sur la qualité de l'air [...]

CONT

Dans le bassin de Fos, il existe bien un instrument de mesure de la qualité de l'air, mais il ne mesure que l'ozone; or ce qui intéresse le public, c'est les dioxines [...]

OBS

Un dispositif de surveillance de la qualité de l'air et de ses effets sur la santé et l'environnement est mis en place sur le territoire national. [...] Les principales sources polluantes surveillées sont : l'ozone, le dioxyde d'azote, le dioxyde de soufre, les particules fines en suspension et le plomb.

Spanish

Save record 7

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