Fig. 1 A satellite SAR antenna More

Fig. 2 The SAR antenna proposed by Wang [ 26 ] More

Fig. 3 Deployed and folded status of the two panels More

Fig. 4 The first-stage linkage More

Fig. 5 The composite Sarrus linkage More

Fig. 6 The second-stage linkage More

Fig. 7 The Sarrus linkage More

Fig. 8 The third-stage linkage More

Fig. 9 The structural sketch of the new deployable mechanism More

Fig. 10 Three configurations of the new mechanism with three main modules: ( a ) folded configuration, ( b ) middle configuration, and ( c ) deployed configuration More

Fig. 11 Six loops: ( a ) loop 1, ( b ) loop 2, ( c ) loop 3, ( d ) loop 4, ( e ) loop 5, and ( f ) loop 6 More

Fig. 12 Interference analysis of the new mechanism More

Fig. 13 Three configurations of the new mechanism with two main modules: ( a ) folded configuration, ( b ) middle configuration, and ( c ) deployed configuration More

Fig. 14 Trajectories of four panels More

Fig. 15 Result comparisons More

Fig. 16 The prototype of the deployable antenna mechanism with eight units: ( a ) folded configuration, ( b ) middle configuration, and ( c ) deployed configuration More

Fig. 1 A broad depiction of the enabler technologies of DT is shown here. The enabler technologies are categorized into (1) physical domain, (2) virtual domain, (3) data domain, and (4) connectivity. More

Fig. 2 An illustrative black-box model to represent the PT functional model More