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This paper proposes a new predistortion lineariser architecture allowing a new advanced shape tuning capability in addition to the classical magnitude control of the gain expansion and phase shift. This new feature is compatible with a wide band operation. A frequency bandwidth of 1.8 GHz has been demonstrated with a Ku-band TWTA between 10.95 and 12.75 GHz. A C/I3 improvement of about 20 dB at -6...
This paper proposes a new predistortion linearizer architecture allowing a new advanced shape tuning capability in addition to the classical magnitude control of the gain expansion and phase shift. This new feature is compatible with a wide band operation. A frequency bandwidth of 1.8 GHz has been demonstrated with a Ku-band TWTA between 10.95 and 12.75 GHz. A C/I3 improvement of about 20 dB at -6...
One-lung ventilation-related hypoxaemia (OLV-RH) can occur in patients with healthy lungs. In this case, PEEP frequently improves oxygenation. The aim of this study was to determine, in a healthy lung model of OLV, whether the increase in PEEP improved oxygenation and whether the mechanisms involved include both inspiratory lung recruitment and an end-expiratory lung volume increase. Since inhaled...
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