square-topped pulse

Methods Papillary muscle was excised from the right ventricle and was paced at 1? Hz. Biphasic square wave current pulse was delivered during the ARP ( called CCM).

方法分离兔右心室乳头肌、灌流并给予1HZ刺激使其等长收缩，于该基础刺激的绝对不应期给予双相方波电流刺激（称之CCM）。

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The second derivative Gaus-sian pulse with the diverse shaping factors and the diverse spectral moving factors acted as basis functions. The iterative combination pulse method and the linear minimum mean square error ( LMMSE) combination pulse method were pre-sented.

以具有不同形状因子和频谱搬移因子的高斯二阶微分脉冲为基函数，提出迭代组合和LMMSE（线性最小均方误差）组合的UWB（超宽带）脉冲设计方法。

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These reasearch results will greatly promote advancement of theory of aging and breakdown under such pulse condition. As a result, frequency control technique can be widely used. A novel PD signal measurement system and statistic analysis software is presented under square wave pulse voltage.

通过这些研究，将极大地促进变频条件下绝缘老化和击穿理论的发展，使变频调速技术应用前景更加广泛。设计了一种新的脉冲电压下局部放电测量系统和统计分析软件。

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The square triple-pulses generator has an output voltage up to 250 kV, a pulsed current of 10 kA, pulse power of 2.5 GW, a repetition rate of 1 MHz, a pulse risetime of 40 ns, and a pulse flat top of 50 ns.

方波三脉冲源输出指标达到了电压250kV，脉冲电流10kA，峰值功率2.5GW，重复率1MHz，脉冲上升时间约40ns，脉冲平顶宽度50ns。

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Clinical Research of Square Pulse Millimeter Wave in Channel Points on 60 Cases of Chronic Atrophic Gastritis

脉冲毫米波经穴治疗慢性萎缩性胃炎60例临床研究

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