1) large dimension piezoelectric transducer
大尺寸压电换能器
2) The dimensions of flextensional transducer
弯张换能器尺寸
3) electrically large
电大尺寸
1.
A coupling model of antenna and an adaptive multilevel fast multipole algorithm(AMLFMA) are introduced for the analysis of the broad band coupling of antennae on electrically large targets.
为求解电大尺寸载体天线间的宽带干扰耦合度,建立了天线间干扰耦合分析模型,提出了自适应多层快速多极子算法作为求解该耦合分析模型的核心算法。
2.
Therefore it can be used to compute EM scattering of electrically large object and multiple objects.
推导和计算实例表明 :此种算法是精确的和高效的 ,它在计算速度和存储量上明显优于传统矩量法 ,因而可用于计算电大尺寸物体 ,并可同时计算多个物体的电磁散
3.
The fast multipole method (FMM) and the multilevel fast multipole algorithm(MLFMA) are new efficient methods for analysis problems of electrically large objects.
快速多极子方法(FMM)和多层快速多极算法(MLFMA)是研究电大尺寸目标问题的新型的快速高效数值算法。
4) electrical large
电大尺寸
1.
Next,the RCS of conductor sphere was calculated by FMA,and pointed out applied prospect of the method,which was greatly superior over MM in the calculation speed and memory requirement by analysis,and was suit for solution to electrical large object s scattering.
通过分析表明该方法在计算速度和存储要求方面比矩量法有明显优势 ,适合于在现有计算机条件下求解电大尺寸目标的散射问题 。
5) very large electric-dimension
超电大尺寸
6) piezoelectric transducer
压电换能器
1.
Ultrasonic power measurement and analysis of lens style focused piezoelectric transducer;
透镜式聚焦压电换能器超声功率测试分析
2.
The research of part transplant nerve stimulator and piezoelectric transducer;
部分植入式神经刺激器与压电换能器的应用研究
3.
Behavior of piezoelectric transducer at frequencies near parallel resonance;
压电换能器在并联谐振频率附近特性的研究
补充资料:压电换能器
压电换能器
超声学检查设备的元件之一。使用压电材料作为换能材料制成的换能器。在这种换能器中,对压电(换能)材料施加交变电场,它即产生交变的应变,并向周围的介质发射声波。反之,当压电材料受到声场中声压作用时,发生机械应变,由应变引起内部电极化的变化,在相应的电极上产生与应变成正比的电荷,并输出电压。压电换能器是目前医用超声换能器的主要类型,其中多使用压电陶瓷,由于陶瓷容易加工成所需要的形状,可改变其组分和工艺以满足各种用途的高性能要求,因此使用很普遍。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
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