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Search: authors:"Lizhong Zhang"

3 papers found.
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Experimental Study on PAT System for Long-Distance Laser Communications Between Fixed-Wing Aircrafts

Free-space laser communication is characterized by high communication speed, strong anti-jamming ability, high confidentiality, and flexible configuration. In this paper, a pointing, acquisition, and tracking (PAT) system based on a two-stage (i.e., coarse and fine) composite tracking mechanism is proposed to solve the optical axis alignment problem, which is common in free-space...

Experimental Research on Seismic Performance of a New-Type of R/C Beam-Column Joints with End Plates

This paper presents a new-type of fabricated beam-column connections with end plates. The joint details are as follows: the concrete beams are connected to column by end plates and six high strength long bolts passing through the core area. In addition, in order to increase the stiffness and shear strength, stirrups are replaced by the steel plate hoop in the core zone. To...

Experimental Research on Seismic Performance of a New-Type of R/C Beam-Column Joints with End Plates

This paper presents a new-type of fabricated beam-column connections with end plates. The joint details are as follows: the concrete beams are connected to column by end plates and six high strength long bolts passing through the core area. In addition, in order to increase the stiffness and shear strength, stirrups are replaced by the steel plate hoop in the core zone. To...