نتایج جستجو برای: semiconductor detectors
تعداد نتایج: 92478 فیلتر نتایج به سال:
Fiber optic communication systems using CDMA have been proposed. While coherent detection is a reasonable assumption in many RF systems , semiconductor lasers for ber applications have been shown to suuer from more serious phase variation that precludes fully coherent detection, the focus of previous CDMA research. In this paper we examine the eeect of phase drift on several multiuser detectors...
OBJECTIVE PET using semiconductor detectors provides high-quality images of the human brain because of its high spatial resolution. To quantitatively evaluate the delineation of image details in clinical PET images, we used normalized mutual information (NMI) to quantify the similarity with images obtained through MRI. NMI is used to evaluate image quality by determining similarity with a refer...
The qubit Rabi oscillations are known to be nondecaying (though with a fluctuating phase) if the qubit is continuously monitored in the weak-coupling regime. In this Rapid Communication we propose an experiment to demonstrate these persistent Rabi oscillations via low-frequency noise correlation. The idea is to measure a qubit by two detectors, biased stroboscopically at the Rabi frequency. The...
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