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HETERODYNE DETECTION [5 records]

Record 1 2019-09-13

English

Subject field(s)
  • Electronic Circuits Technology
  • Electrical Engineering
CONT

Heterodyne detection with weak-link devices. A rather different mode of operation is to use the Josephson effect device as a heterodyne mixer to convert from millimeter wavelength to a convenient(that is, lower) frequency where conventional infrared amplification can operate.

French

Domaine(s)
  • Technologie des circuits électroniques
  • Électrotechnique

Spanish

Save record 1

Record 2 2017-09-21

English

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

Heterodyne detection(also called coherent detection) is a detection method which was originally developed in the field of radio waves and microwaves.

French

Domaine(s)
  • Télédétection
  • Radar, radioguidage et radiogoniométrie
CONT

Il existe deux schémas de détection lidar : la détection incohérente (ou directe) et la détection cohérente (ou hétérodyne [...]).

Spanish

Campo(s) temático(s)
  • Teledetección
  • Guía radárica, radioguía y radiogoniometría
DEF

Detección en la que la señal con modulación de impulsos recibida tiene correlación cruzada con las señales generadas localmente que representan elementos de señalización admisibles.

Save record 2

Record 3 2003-01-06

English

Subject field(s)
  • Scientific Instruments
  • Scientific Measurements and Analyses
  • Astrophysics and Cosmography
CONT

The primary instrument is a heterodyne receiver, the Submillimeter Limb Sounder(SLS), whose extremely high abundance sensitivity and high spectral resolution allows the detection of trace gases while simultaneously measuring wind velocities for key constituents above the clouds.

French

Domaine(s)
  • Instruments scientifiques
  • Mesures et analyse (Sciences)
  • Astrophysique et cosmographie

Spanish

Save record 3

Record 4 1991-01-11

English

Subject field(s)
  • Computer Graphics
  • Optics

French

Domaine(s)
  • Infographie
  • Optique

Spanish

Save record 4

Record 5 1989-02-13

English

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

French

Domaine(s)
  • Radar, radioguidage et radiogoniométrie

Spanish

Save record 5

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