Background,Motivation and Objective In the well logging industry,it is desirable to measure formation shear velocity because it provides information important for the exploration and production of oil and *** a monopo...
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Background,Motivation and Objective In the well logging industry,it is desirable to measure formation shear velocity because it provides information important for the exploration and production of oil and *** a monopole acoustic tool,the shear velocity can
＜正＞Background,Motivation and Objective The band structure calculation is an important aspect of the theoretical studies of the phononic crystals（Pn Cs）,*** kind of composite material with the periodic spatial var...
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＜正＞Background,Motivation and Objective The band structure calculation is an important aspect of the theoretical studies of the phononic crystals（Pn Cs）,*** kind of composite material with the periodic spatial variation of the elastic constants and the mass density..The
Background,Motivation and Objective Piezoelectric materials have found many applications in the area of signal processing,transduction,and frequency control,where transmission and reflection of wave energy at boundary...
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Background,Motivation and Objective Piezoelectric materials have found many applications in the area of signal processing,transduction,and frequency control,where transmission and reflection of wave energy at boundary surfaces plays an important ***
Background,Motivation and Objective The existence and propagation of cracks in solid materials are fatal for mechanical *** to the prior researches,critical stress is related the length of crack and the range of plast...
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Background,Motivation and Objective The existence and propagation of cracks in solid materials are fatal for mechanical *** to the prior researches,critical stress is related the length of crack and the range of plastic zone at the crack ***
Background,Motivation and Objective In recent years,there are problems of"shooting long range"whereas"where to shoot"for submarine-launched missiles in the deep sea,due to advances in vibration and...
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Background,Motivation and Objective In recent years,there are problems of"shooting long range"whereas"where to shoot"for submarine-launched missiles in the deep sea,due to advances in vibration and noise reduction of submarines,as well as the incensement
Background,Motivation and Objective The focusing of acoustic waves in inhomogeneous media is a common and difficult problem to *** focusing can be strongly degraded by sound speed variation and geometrical distortion ...
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Background,Motivation and Objective The focusing of acoustic waves in inhomogeneous media is a common and difficult problem to *** focusing can be strongly degraded by sound speed variation and geometrical distortion of the array *** the
Background,Motivation and Objective The piezoelectric thin film bulk acoustic resonators(FBARs)are new devices for frequency control device,oscillator *** devices exhibit several prominent advantages such as small siz...
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Background,Motivation and Objective The piezoelectric thin film bulk acoustic resonators(FBARs)are new devices for frequency control device,oscillator *** devices exhibit several prominent advantages such as small size,high quality factor,high
Background,Motivation and Objective In recent years,structural health monitoring has become one of the most active research fields in civil *** impedance(EMI)method by using piezoelectric intelligent material on struc...
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Background,Motivation and Objective In recent years,structural health monitoring has become one of the most active research fields in civil *** impedance(EMI)method by using piezoelectric intelligent material on structural health monitoring
Background,Motivation and Objective Piezoelectric material has been widely used in engineering fields,including aerospace engineering,automobile industry,mechanical metallurgy,and so *** surface acoustic wave(SAW)devi...
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Background,Motivation and Objective Piezoelectric material has been widely used in engineering fields,including aerospace engineering,automobile industry,mechanical metallurgy,and so *** surface acoustic wave(SAW)devices have adopted the
Background,Motivation and Objective The piezoelectric transducers have been widely used in various fields such as piezoelectric actuators and sensors,ultrasonic motors,piezoelectric filters and resonators,underwater a...
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Background,Motivation and Objective The piezoelectric transducers have been widely used in various fields such as piezoelectric actuators and sensors,ultrasonic motors,piezoelectric filters and resonators,underwater acoustic transducers and so ***,an
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