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采用一种新型压电材料精确表征方法研究了不同环境温度条件下应用于振荡器的石英材料特性变化.测量了从室温至100℃不同稳定环境温度下AT切向石英晶体材料的电子阻抗共振特性,并采用基于模拟退火优化算法的压电材料精确表征方法对电子阻抗共振特性进行了准确的拟合,计算出了AT切向石英晶体材料在不同温度下包含损耗特性的复数形式材料参数.通过研究和分析温度变化对石英晶体材料参数及其损耗特性的影响,为具有稳定温度特性的精密振荡器设计提供了理论和技术支持.
A new type of piezoelectric material for accurate characterization was used to study the variation of the quartz material properties applied to the oscillator under different ambient temperature conditions.The electronic impedance resonance characteristics of the AT-cut quartz crystal material at different stable ambient temperatures from room temperature to 100 ℃ , And the accurate characterization of the electronic impedance resonance was carried out by using the accurate characterization method of the piezoelectric material based on the simulated annealing optimization algorithm to calculate the complex material parameters of the AT-cut quartz crystal material with loss characteristics at different temperatures. Studying and analyzing the influence of temperature on the parameters and loss characteristics of quartz crystal materials provides theoretical and technical support for the design of precision oscillators with stable temperature characteristics.