نتایج جستجو برای: gating system

تعداد نتایج: 2244044  

Background: in radiation treatment of moving targets located in thorax region of patient body, the delivered dose does not match with the planned treatment, resulting in some over and under dosage in the tumor volume, as a function of motion magnitude and frequency. Several efforts have been done to investigate the target motion effects on dose distribution in the target and surrounding normal ...

Journal: :Japanese Journal of Radiological Technology 1990

Journal: :Journal of physics 2023

KTaO 3 (KTO) has emerged as a potential candidate in the spintronics block showing emergent phenomena its bulk form well thin films, especially KTO-based heterostructures and interfaces. In this work, we have grown film of polar Mott insulator LaVO (LVO) on band KTO (111) using pulsed laser deposition technique. This interfce shows insulator-to-metal transition. We studied photoelectrical prope...

2001
Jeong-Yon Shim Chong-Sun Hwang

Conditional Reactive Hierarchical Memory(CRHM) and its dynamic sensory gating system are proposed. CRHM has the hierarchical intelligent structure and has the efficient mechanisms of an acquisition stage, a retention stage and a retrieval stage for the memory process. The sensory gating system is designed for the adaptive perception in a retrieval stage. The sensory gate is tuned in to regulate...

2016

Real-time intra-fraction target tracking is a technique that enables adjustment of the target radiation while it is being delivered (i.e., intra-fraction adjustments) to compensate for movement of the organ inside the body. Real-time tracking, which may or may not use radiographic images, is one of many techniques referred to as “image-guided radiotherapy” (IGRT). For this policy, realtime trac...

Journal: :Optics express 2007
Adrian Mariampillai Beau A Standish Nigel R Munce Cristina Randall George Liu James Y Jiang Alex E Cable I A Vitkin Victor X D Yang

We report a Doppler optical cardiogram gating technique for increasing the effective frame rate of Doppler optical coherence tomography (DOCT) when imaging periodic motion as found in the cardiovascular system of embryos. This was accomplished with a Thorlabs swept-source DOCT system that simultaneously acquired and displayed structural and Doppler images at 12 frames per second (fps). The gati...

Journal: :Biomedical Engineering: Applications, Basis and Communications 2002

2015

Real-time intra-fraction target tracking is a technique that enables adjustment of the target radiation while it is being delivered (i.e., intra-fraction adjustments) to compensate for movement of the organ inside the body. Real-time tracking, which may or may not use radiographic images, is one of many techniques referred to as “image-guided radiotherapy” (IGRT). For this policy, realtime trac...

Journal: :Neuroreport 2008
Sharon K Hunter Nereida Corral Heather Ponicsan Randal G Ross

This study assessed reliability of auditory sensory gating in young infants from 1-4 months of age using a paired-click paradigm in which auditory 'clicks' were presented at an interstimulus interval of 500 ms. Evoked potential component P1 was measured during periods of active sleep on two different occasions. Amplitudes, latencies, and ratio of the evoked potentials to each of the auditory cl...

2015
B.Pushparaj S.Vigneshwaran

Data-driven clock gating is reducing the total power consumption of VLSI chips. There, flip-flops are merged and share a common clock signal. Finding the optimal clusters is the key for maximizing the power savings. To reduce the hardware overhead involved, flip-flops (FFs) are merged so that they share a common clock enabling signal. Power optimization system to decrease clock power by using M...

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