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This paper proposes a new programmable delay cell (PDC) controlled by a 4-bit binary coding inverter array and a 4-bit binary coding capacitor array for the digital impulse radio (IR) ultra wide band (UWB) pulse generator. This proposed PDC can realize an extended tuning range of pulse width with an adjustable step and reduce the cost of chip area.(More)
In this paper we proposed the novel air-conditioning system which combined induction ventilation and radiant air-conditioning. The indoor terminal device is the radiant induction-unit (RIDU). The RIDU is the induction unit combined with the pore radiant panel on which the copper pipes with rigid aluminum diffusion fins are installed. The two-stage(More)
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