测控技术杂志社,测控在线—基于TMS320F2808宽幅高频脉冲产生及测量系统设计 关键词：PWM；宽幅；高频；占空比测量 [gap=716]Key words：PWM;wide amplitude;high frequency;measurement of duty cycle
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The method is qualified for measurement of groove depth and duty cycle simultaneously for the rectangle-shaped or similar profile of holographic grating mask.
对于要求同时检测矩形或接近矩形槽形的全息光刻胶光栅掩模的槽深和占宽比，该方法完全适用。
This allows the measurement of speed, frequency, duration and duty cycle, all valuable data points for analyzing a variety of electrical woes.
这允许对速度，频率，持续时间和工作周期以及对所有的电器分析各种灾难所需的宝贵数据点进行测量。
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