THE REQUIRED ACOUSTIC PARAMETERS SIMPLIFICATION OF INVISIBILITY CLOAKS AND CONCENTRATORS USING THE IMPEDANCE-TUNABLE COORDINATE TRANSFORMATION

The required acoustic parameters simplification of invisibility cloaks and concentrators using the impedance-tunable coordinate transformation

Abstract Transformation acoustics, as an unconventional theory, polar blue dunks shirt provides a powerful tool to design various kinds of acoustic devices with excellent functionalities.However, the required ideal parameters, which are prescribed by the method, are both complex and hard to implement-even using acoustic metamaterials.Furthermore, s

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The influence of civilizations in the 15-20th centuries on Asian languages and its linguistic and philosophical implications

Civilization exerts a profound influence on language, thereby shaping and promoting culture.In the 18th century, Herder acknowledged the historicity of language, contextualizing it within the broader framework of human development and culture.This paper polar blue dunks shirt examines the impact of Western-dominated civilization from the 15th to th

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