From the engineering practice, the theory, design and application of image enhancement circuit are discussed.
从工程实际出发，讨论了图像增强电路的理论、设计与应用。
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HP today announced that researchers from HP Labs have proven the existence of what had previously been only theorized as the fourth fundamental circuit element in electrical engineering.
Based upon the analysis of an equivalent circuit for distribution transformer with three windings, an engineering calculation method for the reactance and parameters of this transformer is introduced.