An accurate dynamic method for determining pyroelectric coefficient of ferroelectric materials

Ziji Liu, Wen Tang,Zhiqing Liang,Ruoyao Gao, Fangyuan Li,Tao Wang,Zhigang Wang,Weizhi Li

Infrared Physics & Technology（2020）

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摘要

•An innovative pyroelectric coefficient test platform was designed and investigated.•A dynamic method combining BPNN based IPID algorithm was presented.•High-precision sinusoidal-wave temperature control was achieved.

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关键词

Pyroelectric coefficient,PID,BP neural network,PVDF,LT,PZT

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