SubjectsSubjects(version: 850)
Course, academic year 2019/2020
  
Propagation of Acoustic and Electromagnetic Waves in Atmosphere - NMET004
Title in English: Šíření akustických a elektromagnetických vln v atmosféře
Guaranteed by: Department of Atmospheric Physics (32-KFA)
Faculty: Faculty of Mathematics and Physics
Actual: from 2016 to 2019
Semester: winter
E-Credits: 4
Hours per week, examination: winter s.:3/0 Ex [hours/week]
Capacity: unlimited
Min. number of students: unlimited
State of the course: taught
Language: Czech
Teaching methods: full-time
Guarantor: prof. RNDr. Jan Bednář, CSc.
Classification: Physics > Meteorology and Climatology
Annotation -
Last update: T_KMOP (18.04.2001)
Scattering and absorption of electromagnetic and acoustic waves in atmosphere, optical and acoustic phenomena in connection with stratification of air, water droplets, ice and aerosol particles.
Aim of the course -
Last update: BEDNAR/MFF.CUNI.CZ (09.04.2008)

To obtain basic knowledge in atmospheric optics and acoustics with possibilities of applications in remote sounding methods.

Course completion requirements - Czech
Last update: prof. RNDr. Jan Bednář, CSc. (09.10.2017)

Ústní zkouška s obsahem daným sylabem předmětu.

Literature -
Last update: BEDNAR/MFF.CUNI.CZ (11.04.2008)

Bednář J.: Pozoruhodné jevy v atmosféře. Atmosférická optika, akustika a elektřina. Academia, Praha, 1989, 236 p.

Tricker R.A.R.: Introduction to Meteorological Optics. Elsevier Publishing Company, New York, 1970, 285 p.

Teaching methods -
Last update: BEDNAR/MFF.CUNI.CZ (09.04.2008)

Lecture

Requirements to the exam -
Last update: BEDNAR/MFF.CUNI.CZ (09.04.2008)

Knowledge of problems defined in connection with mentioned syllabus.

Syllabus -
Last update: T_KMOP (09.05.2004)

Wave equations for electromagnetic waves, propagation of electromagnetic waves in atmospheric conditions, refraction index, its vertical profile and connections with meteorological parameters, optical phenomena in connection with refraction of light (astronomical, earth and lateral refraction, green flash, superior and inferior mirage, sinking and looming of horiren etc.). Propagation of acoustic waves in atmosphere, wave equation, connections between speed of propagation and meteorological conditions, attenuation of sound in atmosphere, shock-waves, acoustic coalescence.

Complex velocity and complex refraction index in atmospheric conditions, absorption of electromagnetic waves, Mie theory, scattering of electromagnetic wave on the molecules and on aerosol particles, scattering of light on the droplets (rainbows, corona, glory).

Halo phenomena.

Meteorological visibility, propagation of light in clouds, Trabert formula. Principles of distant sounding methods in meteorology.

Entry requirements -
Last update: BEDNAR/MFF.CUNI.CZ (09.04.2008)

Elementar knowledge of common wave processes and elektromagnetic waves theory.

 
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