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    • 6. 发明申请
    • Surface acoustic wave transducer
    • 表面声波传感器
    • US20060273868A1
    • 2006-12-07
    • US10568049
    • 2004-08-20
    • Thomas Ebner
    • Thomas Ebner
    • H03H9/64
    • H03H9/14505
    • The invention relates to a transducer operating with surface waves that shows an improved frequency response of the group delay vs. the SAW-transducer familiar until now with its high flank steepness of the transfer function. The transducer is constructed on the basis of SPUDT-cells, whereby in constructing the transducer at least two cells are anticipated which are identically constructed up to their scaling. They are thereby differently scaled in longitudinal direction. According to the degree of scaling, the local phase of the acoustic wave lets itself be influenced so that the waviness in the frequency description of the group delay in the pass band of the filter, in which the transducer according to the invention is used, amounts to at most 50 ns.
    • 本发明涉及一种使用表面波操作的换能器,其显示出群组延迟对迄今为止熟悉的具有传递函数的高侧面陡度的SAW换能器的改进的频率响应。 传感器基于SPUDT-单元构建,由此在构建换能器时,预期至少两个细胞与其缩放相同地构成。 因此它们在纵向方向上不同地缩放。 根据缩放程度,声波的局部相位本身受到影响,使得使用根据本发明的换能器的滤波器的通带中的群组延迟的频率描述中的波纹量 至多50 ns。
    • 8. 发明授权
    • Method for analyzing the behavior of complex systems, especially internal combustion engines
    • 分析复杂系统特别是内燃机行为的方法
    • US07848910B2
    • 2010-12-07
    • US11658092
    • 2005-07-21
    • Rainer SchantlThomas EbnerMarie-Sophie Vogels
    • Rainer SchantlThomas EbnerMarie-Sophie Vogels
    • G06G7/48
    • G05B17/02
    • A method for analyzing the behavior of complex systems, particularly internal combustion engines, wherein a model is established which shows the dependence of test variables on input variables, calibrating the model based on test values of the real system obtained at the test points subdividing into at least two partial models a first principal influential parameter is identified for the first partial model, an optimal value of the first principal influential parameter is determined at each test point, the first principal influential parameter is interpolated for all plausible constellations of input variables to calibrate the first partial model, another partial model is established to show another subset of test variables in accordance with the input variables and the previously determined first subset of test variables, an additional principal influential parameter is identified for the other partial model, and an optimal value of the additional principal influential parameter is determined at each test point.
    • 一种用于分析复杂系统,特别是内燃机的行为的方法,其中建立了模型,其显示了测试变量对输入变量的依赖性,基于在再分成...的测试点获得的实际系统的测试值来校准模型 对于第一部分模型,识别出第一个主要影响参数的最小二个部分模型,在每个测试点确定第一个主要影响参数的最优值,对输入变量的所有合理星座内插第一个主要影响参数,以校准 第一部分模型,建立另一部分模型,以根据输入变量和先前确定的测试变量的第一子集显示测试变量的另一个子集,为另一部分模型识别附加的主要影响参数,并且确定最优值 额外的主要影响因素是de 在每个测试点终止。