current adj. 1.通用的,流行的。 2.现在的,现时的,当时的。 3.流畅的;草写的。 the current price 市价。 current news 时事。 current expenditure 经常费。 current expenses 日常费用。 the current issue [number] (杂志的)本期。 the current week 本星期。 the current year 今年。 the 10th current [curt.] 本月十日。 current account 往来存款账;【法律】交互计算。 current English 现代通行英语,日常英语。 current handwriting 草书。 current money 通行货币。 current rate 现价,成交价。 current thoughts 现时代思潮。 pass [run, go]current 通用,流行。 n. 1.水流;气流;电流。 2.思潮,潮流;趋势,倾向。 3.进行,过程。 a cold current 寒流。 the Japan current 日本海流,黑潮。 the great current of events 天下大势。 a density 密着(海)流。 an alternating [a direct] current 【电学】交[直]流电。 current of air 气流。 current of time [the times] 时势,时代潮流 (go [swim] with [against] the current of the times 顺应[违反]时势)。
Know by careful study how the noise current that bas been captured by the shield returns to " ground " 干扰源会在屏蔽体上感应出电荷,因此一定要深入研究并掌握电荷的泄放路径。
We choose hb qrc convert as the research object . this paper has completely analyzed the circuit work modes , designed an experimental device , analyzed the mam noise source , established the common - mode and different - mode noise current models , extracted the parasitic elements of four pcb layout and simulated each emi level . based on these , it has derived the element which have great effect on pcb emc and has designed the optimized pcb layout 选择一种半桥准谐振变换器作为研究对象,对其工作原理进行了详细的分析,制作了实验样机,分析了它的主要干扰源,建立了它的共模、差模噪声电流等效电路模型,对它的四种不同pcb布局进行了寄生参数提取和电磁兼容仿真,在此基础上分析得到了影响其电磁噪声水平的最重要因素,并设计出了最优的pcb布局。