7406 TTL集电极开路六反相高压驱动器
This device contains six independent buffers each of whichperforms the logic INVERT function....
This device contains six independent buffers each of whichperforms the logic INVERT function....
This device contains four independent gates each of whichperforms the logic NAND function. Th...
本文介绍了漏磁检测原理以及缺陷漏磁场磁偶极子模型。讨论了缺陷深度和宽度对漏磁场的影响。提出提取缺陷信号特征的峰峰值算法,根据信号的峰峰值大小、间隔和信号梯度变化作为缺陷判别标准。说明了火炮漏磁...
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