超音波软组织机械特性检测技术原理

1(LinearArray)2(WeightBearingorNon-WeightBearing)(Completerupture)3(AcousticImpedance)(Elasto-graphy)()(LinearElasticMaterials)-=EDR()](sin[),(vtxkAtxy−=λπ/2=k(wavenumber)(wavelength)λfv=)sin()sin(),(00tkxAtkxAtxyωω++−=(b)