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(sing′krŏ-nīz″) [Gr. synchronizein, to be contemporary with],


To coordinate the timing of two or more events or processes. In electrical cardioversion, for example, a shock to the heart is delivered when an R wave is detected on a cardiac monitor. Synchronized shocks are used to treat rhythms such as atrial flutter, atrial fibrillation, or supraventricular tachycardia, in which QRS complexes are recognizable. In these arrhythmias, unsynchronized shocks might induce ventricular fibrillation.
synchronization (-nĭ-zā′shŏn)
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References in periodicals archive ?
Ledeczi, "The flooding time synchronization protocol", in Proc.
Traditional methods of time synchronization in ordinary networks are not applicable in the sensor network since they are complex in nature and consume more power.
"Mobi-Sync: Efficient Time Synchronization for Mobile Underwater Sensor Networks," IEEE Trans.
When reporting or forwarding data to the mobile sink, sensors calculate the location of the mobile sink based on a loose time synchronization mechanism among sensor nodes and the mobile sink.
(i) SLSMP accomplishes time synchronization and localization simultaneously and then it can be applied to many applications and other layers like MAC or network.
Distributed time synchronization protocols which do not Require a hierarchal structure have been proposed in [3, 9, 10], where the authors have considered a continuous time system to represent the clock of a sensor node.
Zheng, "Finite time synchronization between two different chaotic systems with uncertain parameters," Computer & Information Science, vol.
The recorders provide high quality images and feature a built-in network time protocol server to ensure automatic and reliable system time synchronization. Other features include remote surveillance using a standard network browser, secure user access, and double keylock protection.
Features include Ethernet connectivity; a built-in secure web server; time synchronization; data-logging of host messages, field unit commands, and status changes; and email notification of alarm conditions.
"Dell recognizes that the TymServe 2100 simplifies the task of implementing and maintaining a network time synchronization system, offering better timing accuracy, decreasing security risk and providing a lower cost of ownership," commented Paul Skoog, product marketing manager at Symmetricom.
Still, time synchronization problems are myriad, according to the report.