Stability Evaluation of Sliding-Type Perilous Rock in Huangzangsi Hydrojunction Project Based on Natural Vibration Frequency

Table 1

Technical parameters of RSV-150 remote laser vibrometer.

Parameter	Parameter ranges	Parameter	Parameter ranges
Laser	Wave length 1550 nm	Velocity resolution	<0.5 μm/s/√Hz
Output speed	0.4 mm/s–100 mm/s	Bandwidth	0 Hz~25 kHz
Resolution	7.5 mm@100 m	Maximum distance	>300 m