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2D spectrum
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2D spectrum
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2D spectrum
二维频谱图
对声音频率谱的一种二维可视化表示方式。可以显示不同频率成分对应的能量分布情况。又称频谱图、功率谱图(power spectrum)。
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Inscribed Stone of Elders Deeds in Shitingli
Inscribed Stone of Lianyungang Boundary
Inscribed Stone of Youzhou clerical staff Qin
inscribed stones from Mausoleums of Chu State
inscribed stones from Mausoleums of Liang Wang at Mangdangshan
inscribed stones of Biao Xiaoyu
Inscribed Stones of Liupingguo
Inscribed Stones of Qin Dynasty
inscribed stones of Qin Dynasty
Inscribed Stones on Taishan Mountain
inscribed tetragon
inscribed tetrahedron
inscribed triangle
Inscribed Wooden Tablet in Qingchuan County
inscriber
inscribing
inscriptible quadrilateral
inscription
Inscription of 20 Longmen Statues
Inscription of a Eulogy on the Burial of a Crane
inscription of a Eulogy on the Burial of a Crane in the Liang Dynasty
Inscription of Dragons
Inscriptionof DukeSong's dagger-axe
Inscription of Jinci Temple
Inscription of KingGoujian’s Sword
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更新时间:2025/3/17 12:58:07