نتایج جستجو برای: characteristic port modes cpm
تعداد نتایج: 311267 فیلتر نتایج به سال:
A new shaped circularly polarized dielectric resonator antenna (CP DRA) is studied with branch-line coupler and log-periodic balun for the GPS application. Since the coupler and balun are located under the DRA, it does not increase the footprint of the antenna, as a result the system is very compact. Two configurations are considered in this paper. In the first configuration, an external 50Ω lo...
PURPOSE To measure the hydraulic resistance (HR) of vitreous cutters equipped with a Regular guillotine Blade (RB) or double edge blade (DEB) at cut rates comprised between 0 and 12,000 cuts per minute (CPM) and compare it with vitreous fragment size. This was an in vitro experimental study; in vivo HR measure and vitreous sampling. METHODS HR, defined as aspiration pressure/flow rate, was me...
INTRODUCTION Conditioned pain modulation (CPM) is the concept that pain inhibits pain and has potential rehabilitation implications for exercise prescription. The purpose of this study was to determine whether changes in pressure pain perception after a thermal conditioning stimulus (i.e., CPM) was attenuated with aging and whether CPM predicted pain relief after exercise (exercise-induced hypo...
Using the Surveillance, Epidemiology and End Results (SEER) cancer registry, we recently reported that the rate of contralateral prophylactic mastectomy (CPM) for stage I–III unilateral breast cancer increased by 150% from 1998 to 2003 in the United States.[1] We found that the CPM rate increased through the end of our study period with no diminution in the incline of the curve. Based on 2003 d...
A continuous phase modulation (CPM) implementation alternative of a recently standardized class of Feher-patented quadrature phase-shift keying (FQPSK-B) modulation is proposed. It is based on the fact that FQPSK-B signal has quasi-constant amplitude and continuous phase characteristics, allowing CPM interpretation. Based on this, we derive the modulation index, premodulation filter and alterna...
This paper demonstrates three SAW configurations' electrical and mechanical behaviors: a one-port resonator, two-port delay line that works as temperature sensors of around 440 MHz characteristic frequencies. We investigate the sensitivity for temperatures up to 200 °C. A linear behavior frequency shift versus is observed; resulting evaluated at 22.74 ppm/°C 23.17 3.83 ns/°C structure. The elec...
By considering a generalisation of the CPM construction, we develop an infinite hierarchy probabilistic theories, exhibiting compositional decoherence structures which generalise traditional quantum-to-classical transition. Analogously to case, these decoherences reduce degrees freedom in physical systems, while at same time restricting fields over systems are defined. These theories possess fu...
The recently introduced CP*–construction unites quantum channels and classical systems, subsuming the earlier CPM–construction in categorical quantum mechanics. We compare this construction to two earlier attempts at solving this problem: freely adding biproducts to CPM, and freely splitting idempotents in CPM. The CP*–construction embeds the former, and embeds into the latter, but neither embe...
CPM (Cooperative Problem-Based learning Metamodel) is a visual language for the instructional design of Problem-Based Learning (PBL) situations. This language is a UML profile implemented on top of the Objecteering UML Case tool. In this article, we first present the way we used CPM language to bring about the pedagogical transposition of the planets game learning scenario. Then, we propose som...
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