نتایج جستجو برای: cellular telephone system

تعداد نتایج: 2621219  

Journal: :IEEE Transactions on Information Theory 1994

Journal: :Journal of the American College of Cardiology 1998
J G Fetter V Ivans D G Benditt J Collins

OBJECTIVES This study sought to determine, in vivo, whether electromagnetic interference (EMI), generated by North American Digital Communications (NADC)/Time Division Multiple Access-50-Hz (TDMA-50) mobile cellular digital telephone model AT&T 6650, disturbs normal implantable cardioverter-defibrillator (ICD) operation and to verify these observations in vitro by testing a selection of telepho...

2003
Ingvar Claesson Andreas Nilsson

A sometimes annoying problem in the most internationally widespread cellular telephone system, the GSM system, is an interfering signal generated by the switching nature of TDMA cellular telephone system. A humming noise originating from the speech frames, equivalent to 160 samples of data corresponding to 20 ms at 8 kHz sampling rate is sometimes clearly audible. This paper describes a study o...

Journal: :Behavior Research Methods & Instrumentation 1974

Journal: :Scientific American 1904

Journal: :Tanzania Journal of Engineering and Technology 1975

Journal: :Advances in peritoneal dialysis. Conference on Peritoneal Dialysis 2003
Hidetomo Nakamoto Atsushi Kawamoto Yoshimasa Tanabe Yoshinori Nakagawa Eiichi Nishida Takashi Akiba Hiromichi Suzuki

We developed a new telemedicine system to monitor the condition of continuous ambulatory peritoneal dialysis (CAPD) patients by using a cellular telephone and an Internet Web site. All data for the CAPD patients--blood pressure, heart rate, body weight, ultrafiltration volume, and urine volume--are collected and sent directly by cellular telephone to a data server that was constructed at the NT...

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