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2D spectrum
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2D spectrum
Encyclopedia
文学
[仪器与分析技术]
释
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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open airway
open-and-closed set
open-and-closed subset
open and cut method
open arc
open arc crater
open architecture framework
open architecture framework, OAF
Open Archival Information System
open archival shelves
open archives initiative protocol for metadata harvesting
open area-test site
open ball
open base
open bibliographic data
open bite
open boundary condition
Open Brethren
open caisson foundation
open calibration field
open canal
open card sorting
opencast mining plan
opencast survey
open cavity
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