Description: 任何在空間中傳播而幾乎沒有變化的模式都是一種波。傅立葉定理說明瞭如何將這種傳播模式理解為一系列“基本波”的總和，其中每個基本波都是一種重複著極大值或極小值的規則模式，類似於數學中的正弦函數。這種有規則基本波的每個最大值與下一個最大值之間的距離稱為波長。有幾種波現象在天文學中發揮作用。電磁輻射——我們獲取天體信息的主要來源——就是一種波現象。在某些觀測技術中，波的特性發揮著重要作用。聲波對恆星的內部結構起著作用。引力波已成為天體信息的新來源。

Related Terms:

• 頻率
• 可見光譜
• 引力波

Term and definition status: The original definition of this term in English have been approved by a research astronomer and a teacher
The translation of this term and its definition is still awaiting approval

This is an automated transliteration of the simplified Chinese translation of this term

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