1、

Objective To assess the impact of mode switching algorithms of dual-chamber pacemakers on atrial tachyarrhythmia.

目的:观察双腔起搏器自动模式转换功能在房性心律失常治疗中的应用效果.

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The influences of different switching mode of PWM are discussed. Then a practical method, "three-state algorithm of invariable duty cycle under forced output mode" is brought out to eliminate the commutation dead band generated by switching among the output interfaces of PWM waveform.

详细分析了PWM脉冲的不同切换方式对电机换相控制的影响,提出消除换相死区的具体算法&强迫输出方式下的2001年上海大学博士学位论文三状态恒定占空比算法。

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3、

Suited for DC powered switching gear , multiplex , SDH , PDH , switching-mode power supply and electronic instruments.

适用于程控交换机 、 光端机 、 开关电源以及直流供电设备.

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4、

The flyback switching mode power supply is designed which is controlled by IC controller TOP 412 G.

文章详细地介绍了TOP412G控制芯片 的工作原理和基于TOP412G控制芯片的反激变换开关稳压电源.

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5、

Switching from reactive mode to a proactive one is not easy, but it can be done.

要从[后制于人模式]切换成[先发制人模式]不是一件容易的事, 但却是可以做到的.

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Methods 31 patients, suffered from sick sinus syndrome and atrial ventricular block with recurrent paroxysmal atrial tachyarrhythmias, were implanted automatic mode switching pacemaker.

方法选择31例病窦、房室阻滞患者,其中伴有阵发性房颤22例、房扑5例、房速4例,分别植入AMS功能起搏器。

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Discussion on Bus Switching Method in the Double Bus Apposed Operation Mode

双母线并列运行方式下母线操作方法的探讨

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Now, this technology was not well used in high power switching mode power supply.

目前, 软开关技术在大功率开关电源中的应用尚不多见.

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9、

In this paper, 4 × 4 MEMS optical matrix switches are proposed, in which on-off micro-mirrors are arranged with crossbar switching network. Ball-lensed single-mode optical fiber collimators are used as input and output ports.

采用纵横交换网络和通断型微镜实现4×4微电机械系统光开关阵列,利用球透镜单模光纤准直器作为微电机械系统光开关阵列的输入、输出端口。

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10、

Because of this switching mode are in the clutch engagement process, and then the clutch engaging process were studied and dynamic analysis, obtained the rules of engagement.

由于本文切换模式都是在离合器接合过程进行的,所以接着对离合器接合过程进行了研究并进行了动力学分析,得到了接合规律。

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11、

The function of data processing and control of star sensor including the control of booting system, mode switching, star identification, tracking and attitude calculation, and communication between RISC and FPGA are successfully executed on this platform.

在此平台上,成功地实现了星敏感器的数据处理和控制功能,其中包括系统的启动,模式转换控制,星图识别、跟踪和姿态计算,以及与FPGA通讯等。

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12、

The spatio-temporal profile of sample plug can be well controlled in the analysis channel by switching virtual gate in a proper mode and timing.

通过控制虚拟门的打开方式和时机,可以控制样品注入分析通道的时空分布。

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