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microwave signal spectrum analyzer [1 record]
Record 1 - internal organization data 1979-03-21
Record 1, English
Record 1, Subject field(s)
- Scientific Instruments
- Scientific Measurements and Analyses
- Radio Waves
Record 1, Main entry term, English
- microwave signal spectrum analyzer 1, record 1, English, microwave%20signal%20spectrum%20analyzer
Record 1, Abbreviations, English
Record 1, Synonyms, English
Record 1, Textual support, English
Record number: 1, Textual support number: 1 OBS
Microwave: An electromagnetic wave which has a wavelength between about 0.3 and 30 centimeters, corresponding to frequencies of 1-100 gigahertz; however, there are no sharp boundaries distinguishing microwaves from infrared and radio waves. 2, record 1, English, - microwave%20signal%20spectrum%20analyzer
Record number: 1, Textual support number: 2 OBS
Spectrum analyzer. A device which sweeps over a portion of the radio-frequency spectrum, responds to signals whose frequencies lie within the swept band, and displays them in relative magnitude and frequency on a cathode-ray-tube screen. In essence, it is a superheterodyne receiver having a local oscillator whose frequency is varied cyclically, usually at the power-line frequency. 3, record 1, English, - microwave%20signal%20spectrum%20analyzer
Record 1, French
Record 1, Domaine(s)
- Instruments scientifiques
- Mesures et analyse (Sciences)
- Ondes radioélectriques
Record 1, Main entry term, French
- analyseur de spectres hyperfréquences 1, record 1, French, analyseur%20de%20spectres%20hyperfr%C3%A9quences
Record 1, Abbreviations, French
Record 1, Synonyms, French
Record 1, Textual support, French
Record number: 1, Textual support number: 1 OBS
Analyse de spectres hyperfréquences. (...) Les analyseurs de spectres donnent directement une vue panoramique de l'amplitude en fonction de la fréquence sur l'écran d'un oscillographe. (...) Principe des analyseurs. (...) l'appareil (...) est essentiellement un récepteur superhétérodyne à bande passante très étroite. Ce récepteur explore automatiquement une bande de fréquences donnée grâce à un balayage linéaire, en dents de scie, de l'oscillateur local, synchronisé avec celui de l'oscilloscope. 2, record 1, French, - analyseur%20de%20spectres%20hyperfr%C3%A9quences
Record number: 1, Textual support number: 2 OBS
Hyperfréquences. Ce terme désigne le domaine de fréquences des ondes électromagnétiques situé entre un gigahertz (...) et quelques centaines de gigahertz (...) 3, record 1, French, - analyseur%20de%20spectres%20hyperfr%C3%A9quences
Record 1, Spanish
Record 1, Textual support, Spanish
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