本科毕业设计(外文翻译)题 目 _基于十字放置换能器的超声波风速风向仪姓 名 曲兵兵 专 业 自动化 学 号 201142070 指导教师 路立平 郑州科技学院电气工程学院二○一五年五月BasicknowledgeoftransducersAtransducerisadevicewhichconvertsthequantitybeingmeasuredintoanoptical,mechanical,or-monly-electricalsignal. Theenergy-,forcediaphragm,pressureflapper-nozzle,、TransducerElementsAlthoughthereareexception,,diaphragms,bellows,straintubesandrings,bourdontubes,,resistance,capacitance,,icandchemical,givingthermoelectric,photoelectric,ic,、TransducerSensitivityTherelationshipbetweenthemeasuredandthetransduceroutputsignalisusuallyobtainedbycalibrationtestsandisreferredtoasthetransducersensitivityK1=output-signalincrement/,thetransducersensitivityisusuallyknown,and,bymeasuringtheoutputsignal,theinputquantityisdeterminedfrominput=output-signalincrement/、CharacteristicsofanIdealTransducerThehightransducershouldexhibitthefollowingcharacteristicsa) highfidelity-thetransduceroutputwaveformshapebeafaithfulreproductionofthemeasured;) Thereshouldbeminimuminterferencewiththequantitybeingmeasured;) ) Thereshouldb
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