Low power loss is the key of loop powered transducer design. The methods for reducing power loss are discussed in this paper.
总线供电的变送器设计中的关键问题是降低功耗，文中讨论了关于降低功耗方面的几个问题。
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Firstly, the structure of the transducer is designed using the equivalent cross-section area method and the weight function and head loss are calculated.