Open AccessEngineering NotesRelative Orbit Determination for Unconnected Spacecraft Within a ConstellationTong Qin, Dong Qiao and Malcolm MacdonaldTong QinTsinghua University, 100084 Beijing, People’s Republic of China*Postdoctoral Researcher, Department Precision Instrument; .Search more papers by this author, QiaoBeijing Institute Technology, 100081 China†Professor, School Aerospace Engineeri...

Rationale—Indices of negative affect, such as depression, have been implicated in stress-induced pathways to alcohol relapse. Empirically-supported continuing care resources, such as Alcoholics Anonymous (AA), emphasize reducing negative affect to reduce relapse risk, but little research has been conducted to examine putative affective mechanisms of AA’s effects. Method—Using lagged, controlled...