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- The PZT matching layer redistributes the frequency spectrum of an original broadband ultrasonic probe, and acts as a frequency filter without reducing the wave amplitude. 此层锆钛酸铅匹配层可将原本超音波探头之宽频率分布过滤成某些特定频率之峰值,且没有降低该频率峰值相对于原始探头强度之强度。
- A novel active matching layer made of lead zirconate titanate (PZT) plate has been developed as an “impedance matching layer” for high-intensity focused ultrasound (HIFU) applications. 摘要:在高能聚焦超音波的领域,锆钛酸铅被应用成为一种新颖的声阻匹配层。
- Matching layer of the transducer 换能器的匹配
- Finally, we conclude that the addition of the matching layers results in the widening of the transmission frequency for the piezoelectric transducer. 本论文成功地藉由传输矩阵法模拟出压电换能器多层匹配层结构的理论架构及数值计算。
- Perfectly Matched Layer (PML) is an emerged efficient absorbing boundary condition emerged recently. 摘要理想匹配层(PML)是近年来迅速发展起来的一种非常有效的吸收边界。
- Abstract: In the finite-difference time-domain(FDTD) method, the perfectly matched layer(PML) is a kind of high efficient absorbing boundary condition. 摘 要: 在时域有限差分算法中,完全匹配层是一种高效的吸收边界条件。
- The basic theory of FDTD is introduced and compared with other numerical methods.The setting of Perfecting Matched Layer (PML) in FDTD is discussed. 摘要简单介绍了时域有限差分法(FDTD)的基本理论,并与其他几种数值方法进行了比较;
- Mur and perfect matched layer (PML) absorbingboundary conditions (ABCs) are studied, and the absorbing performance of both theABCs are compared by numerical tests. 深入研究了Mur 二阶和完全匹配层吸收边界条件,通过数值仿真试验比较了它们的吸收性能;
- He lost the tennis match by default. 他因不出场而输了网球赛。
- It's highly probable that they will win the match. 他们很可能会赢这场比赛。
- Match your skill against the experts in this quiz. 在这一测验中你与专家较量一下技巧吧。
- The teams are all square at one match each. 这些队在各自参加了一场比赛后不分胜负。
- This layer of rock contains a lot of flint. 这一岩层中有大量燧石。
- This sport jacket will match those pants nicely. 这件运动衫和那条短裤很相配。
- As one important sub-algorithm of BOR FDTD, Perfect matched layer absorbing boundary conditions (PML ABCs) algorithm with split field components is presented for the first time, which greatly simplified computational process. 作为BOR FDTD中的一个最重要的子算法,首次提出了非分劈场量的完全匹配层吸收边界条件(PML ABCs),大大简化了计算过程。
- Losing the match made quite a dent in his ego. 比赛失败对他的自尊心打击极大。
- We introduce perfectly matched layer to attenuate the refection of the artificial boundary, and construct boundary and corner point conditions of elastic wave equations in isotropy media. 为了消除边界反射,引入最佳匹配层,构造了各向同性介质中弹性波方程在不同边界和角点处的边界条件。
- I am no match for her when it comes to language. 在语言能力方面我根本不是她的对手。
- John came through the match with a whole skin. 约翰打完了全场比赛,一点皮也没伤着。
- We compare the absorbing ability between Absorbing Boundary Condition (ABC) and Perfectly Matched Layer (PML), and we also discuss deeply on the application condition and parameter setting of PML. 对比了吸收边界条件与共性匹配层的吸收性能,并对后者的使用条件及参数设置进行了深入地探讨。