Vibration measurement method and system based on single-frequency laser feedback

The invention discloses a vibration measurement method and system based on single-frequency laser feedback. When a single-frequency helium-neon laser device is in a strong feedback level, the laser device is influenced by multiple high-level feedback to produce high-density feedback optical stripes,...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	QU XUEMIN, ZENG ZHAOLI, MU JIANQUN, SHANG YONGBING, ZHOU XIAOHUA, WEN JUN
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	MEASUREMENT OF MECHANICAL VIBRATIONS OR ULTRASONIC, SONIC ORINFRASONIC WAVES MEASURING PHYSICS TESTING
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