نتایج جستجو برای: coherence time
تعداد نتایج: 1947392 فیلتر نتایج به سال:
The spatial and temporal coherence of the fluorescence emission controlled by a quasi-two-dimensional hybrid photonic-plasmonic crystal structure covered with a thin fluorescent-molecular-doped dielectric film is investigated experimentally. A simple theoretical model to describe how a confined quasi-two-dimensional optical mode may induce coherent fluorescence emission is also presented. Conce...
[1] Frequency-dependent coherence between atmospheric CO2 and historical temperatures reveals climate feedbacks within Earth’s carbon cycle. Coherence between interannual fluctuations in global-average temperature and atmospheric CO2 has changed over time. Since 1979, at Mauna Loa and other observation sites, interannual coherence exhibits a 90 phase lag that suggests a direct correlation betwe...
Background: Premenstrual syndrome is one of the most common disorders of reproductive ages that puts lives of women and girls at significant risk, but there is a little information available about psychological and personality factors related to primary dysmenorrhea. The aim of this research is to determine the role of sense of coherence, alexithymia and self-compassion with self in predicting ...
Evaluation plays an important role in interactive question answering systems like many computational linguistics fields. The coherence between the questions and the answers exchanged between the user and the system is one of the important criteria in evaluating these systems. In this paper, a new approach to determine the degree of coherence of generated text by the IQA systems is presented. Th...
Elderly people are getting more evidence of death from physical changes, higher rates of illness and disability, and the loss of relatives and friends. Experiencing some anxiety about death is normal, but, like other fears, it weakens adaptability if it is too severe. The purpose of this study was to investigate the relationship between sense of coherence and ego strength with death anxiety in ...
Objectives Tendency toward substance use is influenced by a range of individual, familial, and social factors. This study aimed to investigate the relationship between family emotional atmosphere, sense of coherence, and affects with tendency toward substance use among university students. Methods In this descriptive-correlative study, a total of 400 students (311 males and 89 females) were s...
The palette of laser technology has significantly been enriched by the innovations in ultrafast optical pulse generation. Our knowledge of the complex pulse dynamics, which is often highly nonlinear and stochastic in nature, is however limited by the scarcity of technologies that can measure fast variation/fluctuation of the spectral phase (or coherence) and amplitude in real-time, continuously...
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