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The Japanese lunar mission, SELENE (Kaguya) consists of a main satellite and two small satellites, Rstar and Vstar. In same-beam VLBI observations of Rstar and Vstar, phase fluctuations caused by atmosphere, ionosphere and instruments were reduced to a low level of 1-2 deg, and the differential phase delay between Rstar and Vstar was obtained with a very low error of 2 pico-seconds. We corrected the...
Our goal is to predict the performance of multi-node systems consisting of identical processing nodes based on single node profiles. The performance of multi-node systems significantly depends on the amount of inter-node communication. Therefore, we built an analytical model of the communication amount, i.e., the number of transfers of cached copies, on multi-node systems with coherence mechanisms...
In this paper, we propose a scalable and transparent parallelization scheme using threads for multi-core processor. The performance achieved by our scheme is scalable to the number of cores, and the application program is not affected by the actual number of cores. For the performance efficiency, we designed the threads so that they do not suspend and that they do not start their execution until the...
In this paper, transmission characteristics of the on-chip meander CPW resonator fabricated in TSMC 0.18 um CMOS process is first investigated experimentally and an equivalent circuit is developed. Later, we implemented on-chip CPW resonator to design a VCO for 5 GHz-band wireless applications. One of the advantages of the proposed VCO using on-chip CPW resonator in comparison to a LC-VCO is the chip...
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