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Windowsコンピュータを使ったサブミリ秒計時手法の比較 A Comparision of Submillisecond-Timing Methods on Windows PC 齊藤, 恵一 20978 河内, 哲也 20979 SAITO, Keiichi 20982 KOCHI, Tetsuya 20983 サブミリ秒タイム コンピュータ ウインドウズオペレーテイングシステム submillisecond timer computer Windows operating system P(論文) Accuracy and reliability of three submillisecond-timing methods, a function Query PerformanceCounter(), an instruction RDTSC, and a method IReferenceClock::GetTime() was evaluated under the Microsoft Windows operating system. Measuring frequencies of voltage alternation produced by the three timing methods revealed that the QueryPerformanceCounter( function and the RDTSC instruction performed at their expected, nominal frequencies, but that the IReferenceClock::GetTimeO method did not. Then, the QueryPerformanceCounter( function and the RDTSC instruction were implemented in a test program which recorded the clock ticks corresponding to duration generated by an external chronometric computer. Analysis of the counts of the ticks showed that the two techniques have high precision sufficient for submillisecond timing on Winodws PCs. departmental bulletin paper 2006 application/pdf 北海道医療大学心理科学部研究紀要 2 97 102 AA12163325 https://hsuh.repo.nii.ac.jp/record/6845/files/KJ00005435853.pdf https://hsuh.repo.nii.ac.jp/records/6845 jpn