In spaceborne dual-antenna (i.e., single-pass mode) interferometric synthetic aperture radar (InSAR) system, the alignment of the master and slave antenna beam is crucial. In order to achieve the best interferometric performance, antenna beams should be coincided with each other between the master and slave. The beam alignment of the first spaceborne dual-antenna InSAR system, the Shuttle Radar...

conclusions: thus, identifying the hf patients before the flight and providing them proper education about the events that may occur during flight is necessary. results: hf patients are more prone to experience respiratory distress, anxiety, stress, cardiac decompensation, and venous thromboembolism (vte) during air travel. although stable hf patients can tolerate air travel, but those with acu...

beside developing strategies, success of organizations depends on alignment of strategies. one of the important functional areas in which companies develop strategies is operation. alignment of operation strategies is called horizontal alignment. the aim of this article is to present a model for alignment of operation strategies. to this end, an original algorithm has been presented by which ho...

preset study is conducted to evaluate strategic alignment between business and it in the view of organizational managers. present study has used luftman’s model on strategic alignment maturity and gartlen & shenks’ factors to promote alignment in order to evaluate alignment. research statistical population consists of managers at high education planning and research institute. no sampling is co...

The air transport industry is seeking to manage risks in air travels. Its main objective is to detect abnormal behaviors in various flight conditions. The current methods have some limitations and are based on studying the risks and measuring the effective parameters. These parameters do not remove the dependency of a flight process on the time and human decisions. In this paper, we used an HMM...