用X射线衍射法对其结构及其成份进行了表征，用铁电分析仪（RT66A）测试了其铁电性。
The X-ray diffraction(XRD) were employed to analyze the structure and composition of BYT thin films. The ferroelectric measurements were performed using a RT66A ferroelectric tester.
虚拟仪器系统的误差分析和修正方法的案例研究：讨论了虚拟式噪声分析仪、虚拟式心电分析仪的误差分析和修正。
It provides example for error analysis and modification of virtual instrument system. It discusses the error analysis and modification of virtual noise analyzer and virtual ECG analyzer.
便携式心电分析仪研究对心血管疾病的早期预测及家庭医疗保健具有十分重要的意义，一直是生物医学工程领域的研究热点。
The research of portable ECG analyzer is of great significance to the prediction of cardiovascular diseases and home healthcare, it is a hot research filed in biomedical engineering for a long time.
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