Objective To study the diagnostic value of cardiac function determination by list mode first pass in combination with myocardial perfusion imaging at ATP stress in coronary artery disease.
目的探讨在ATP负荷下联合应用表模式采集首次通过心功能测定与心肌灌注显像诊断冠心病的价值。
This PFC was realized by employing sliding-mode variable-structure inner current loop control and outer voltage loop PI control with digital low-pass filter to achieve high performance.
提出了采用滑模变结构电流内环与由PI调节器和数字低通滤波器组成的电压外环相结合的控制系统，以实现高性能高速度的功率因数校正。
In this paper, band pass frequency selective surface was analyzed by mode matching technology.
采用模匹配技术对带通型频率选择表面进行分析，其中单元内的场用有限元法解出。
It was pointed out that the hot backup with static by-pass was the best working mode when the economy and reliability were considered at the same time.
提出在兼顾经济性和可靠性时，热后备+静态旁路方式是优选的工作方式。
A new method is introduced to decompose a signal into a set of IMFs (Intrinsic Mode Function) by virtue of fast band-pass filtering.
利用快速滤波建立了一种对信号进行本征模态函数分解的全新方法。
Set the manual mode and keep the by-pass(es) closed.
切换到手动模式，旁通阀保持关闭；
Set the manual mode and keep the by-pass(es) closed.
切换到手动模式，旁通阀保持关闭；
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