The paper introduce the theory of surface acoustic wave sensor, the digital signal treatment, the method of soft design in the passive and wireless tire pressure monitoring system in detail.
文章详细介绍了无源无线轮胎压力监测系统中的声表面波传感器工作原理、回波信号组成、数字信号处理和软件开发方法；
Using traditional interferometric method, as the germanium material is too soft to process, the surface form of the test piece may not meet the requirement for the measurement.
运用传统的干涉法检验光学材料的折射率均匀性时，由于锗晶体太软，表面不易加工，其表面面形难以满足测试要求。
Based on the numerical method, the effect of squeezing soil due to pile driven in soft clay and restrained on surface was researched.
采用数值方法对表面约束下的沉桩挤土效应进行了研究。
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