FURIJE-OVA SINTEZA - PRAVLJENJE TALASA

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• Talasi
• Sinus
• Kosinus

Description

Learn how to make waves of all different shapes by adding up sines or cosines. Make waves in space and time and measure their wavelengths and periods. See how changing the amplitudes of different harmonics changes the waves. Compare different mathematical expressions for your waves.

Primjeri obrazovnih ciljeva

• Explain qualitatively how sines and cosines add up to produce arbitrary periodic functions.
• Recognize that each Fourier component corresponds to a sinusoidal wave with a different wavelength or period.
• Mentally map simple functions between Fourier space and real space.
• Describe sounds in terms of sinusoidal waves.
• Describe the difference between waves in space and waves in time.
• Recognize that wavelength and period do not correspond to specific points on the graph but indicate the length/time between two consecutive troughs, peaks, or any other corresponding points.
• Become comfortable with various mathematical notations for writing Fourier transforms, and relate the mathematics to an intuitive picture of wave forms.
• Determine which aspect of a graph of a wave is described by each of the symbols lambda, T, k, omega, and n.
• Recognize that lambda & T and k & omega are analogous, but not the same.
• Translate an equation from summation notation to extended notation.
• Recognize that the width of a wave packet in position space is inversely related to the width of a wave packet in Fourier space.
• Explain how the Heisenberg Uncertainty principle results from the properties of waves.
• Recognize that the spacing between Fourier components is inversely related to the spacing between wave packets, and that a continuous distribution of fourier components leads to a single wave packet.
Version 3.06

Teacher Tips

 Vodič za nastavnike (pdf) sadrži savjete kreirane оd strane PhET tima. ( PDF ).

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Amarik All Amharic አራትዮሽ፡ ሞገድ መስራት
Baskijski All Euskara Fourier: Uhinak sortzen
Brazilski Portugalski All português (Brasil) Fourier: Criando Ondas
Bugarski All български Фурие: Получаване на вълни
Danski All Dansk Fourir: Bølgefremstilling
Engleski All English Fourier: Making Waves
Estonski All Eesti Fourier: Lainete tekitamine
Francuski All français Fourier: Création d'ondes
Grčki All Ελληνικά Fourier: Δημιουργία Κυμάτων
Hebrejski All עברית פוריה: עושים גלים
Holandski All Nederlands Boventonen
Hrvatski All hrvatski Kompozicija valova (Fourierova sinteza)
Indonežanski All Bahasa Indonesia Fourier : Mengkontruksi Gelombang
Italijanski All italiano Fourier: Costruire le onde
Japanski All 日本語 フーリエ級数展開:波の合成
Kineski - Tradicionalni All 中文 (台灣) Fourier: Making Waves 傅力葉:與波共舞
Kineski - Uprošćen All 中文 (中国) 傅里叶:生成波
Kmerski All Khmer Fourier: ការបង្កើតរលក
Korejski All 한국어 푸리에: 파동 생성
Lao All Lao ຟູເຍ້: ການເຮັດໃຫ້ຄື້ນຟອງ
Makedonski All македонски ФУРИОВА СИНТЕЗА -ПРАВЕЊЕ НА БРАНОВИ
Mađarski All magyar Fourier: hullám-LEGO
Mongolski All Монгол (Монгол) Фурьей: Долгион хийх
Njemački All Deutsch Wellen zusammensetzen nach FOURIER
Persijski All فارسی تولید موج ها
Poljski All polski Fourier: Konstruowanie fal
Portugalski All português Séries de Fourier: Fazendo Ondas
Slovački All Slovenčina Fourier: tvorenie vĺn
Španski All español Fourier: Fabricacion de Ondas
Španski (Meksiko) All español (México) Fourier: Fabricacion de Ondas
Španski (Peru) All español (Perú) Fourier: Haciendo Ondas
Srpski All Српски ФУРИЈЕ-ОВА СИНТЕЗА -ПРАВЉЕЊЕ ТАЛАСА
Turkmenski All Turkmen Furýe: tolkun ýasamak
Turski All Türkçe Fourier Serileri: Dalga Yapalım
Vijetnamski All Tiếng Việt Tổng hợp sóng
Windows Macintosh Linux
Microsoft Windows
XP/Vista/7/8.1/10