In addition, the `Parent Company Website` is redundant information given the `Parent Company Utility Name` column, so it is also safe to drop." "Because the `Parent Company Notes` and `Note` columns contains NaN values for most entries and non-numeric values for the rest, it is safe ...
EMi in switchingpower supply is often regardedas a difficult problem.There is a lack of conceptand understandingfor switchingpower suppty EMI issues.General and convcntional concepts are not always applicable becauseof the special environmentin a switchingpower suppiy.Also EIvIIcomponentsrequiredoften ...