梯度阻抗,gradient impedance
1)gradient impedance梯度阻抗
1.Thegradient impedance of acoustic absorbing sandwich layer was designed in certain thickness,and the effects of acoustic stealth were analyzed by numerical method for different material parameter and different geometrical parameter.建立了二维空间声波斜入射条件下水中隐身夹芯复合材料结构的声学模型;从水声波动方程出发,推导了斜入射下水中隐身夹芯复合材料壳板结构的声传递矩阵,及终端自由边界条件下的声反射系数和吸声系数表达式;对水中目标的隐身夹芯壳板结构声学系统进行了垂直入射声学试验,试验结果与传递矩阵法数值计算吻合较好;对试验声学系统进行了斜入射下声学性能数值计算,分析了入射角对反射系数和吸声系数的影响;考虑斜入射下夹芯层厚度、密度、损耗因子、及水层厚度等对水中目标隐身壳板结构反射系数和吸声系数的影响,应用数值方法对水中隐身夹芯复合材料壳板结构进行了声学设计;考虑吸声夹芯层总厚度一定,对梯度阻抗夹芯进行了声学设计,分析了梯度夹芯层材料参数和几何参数对隐身结构声学性能的影响。
2)internal slope impedance内梯度阻抗，动态内阻抗
3)Flier-plate with graded wave impedance波阻抗梯度飞片
1.Flier-plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi-continuously along the thickness" direction and thus has quasi-isentropic compressive characteristics, has come to show great potential for the application in dynamic high-pressure technique.波阻抗梯度飞片作为一类新型的功能梯度材料，因其波阻抗值沿厚度方向呈准连续变化，而具有准等熵压缩特性，可以看作是功能梯度材料在动高压物理研究领域中的应用新拓展。
英文短句/例句
1.Preparation of Flier-plate with Graded Wave Impedance and Application in Dynamic High -pressure Physics;波阻抗梯度飞片的研制及其在动高压物理中的应用
2.Quasi-isentropic Compressive Characteristics of W-Mo-Ti-Mg System Flier-plate with Graded Wave Impedance;W-Mo-Ti-Mg系波阻抗梯度飞片材料的准等熵压缩特性
3.Design of W-Mo-Ti flier-plate with Graded Wave Impedance and Study on its Relative Physical properties;W-Mo-Ti体系波阻抗梯度飞片的设计及相关物性研究
4.ACOUSTIC IMPEDANCE INVERSION USING IMPROVED CONJUGATE GRADIENT ALGORITHM用改进的共轭梯度算法解波阻抗反演问题
5.quarter-wavelength step shape impedance transformer四分之一波长阶梯阻抗变换器
6.Study on High Voltage Gradient Zinc Oxide Varistor;高电位梯度氧化锌压敏电阻片的研究
7.A Mixed Stepped Impedance Resonator Dual-Band Filter一种混合型阶梯阻抗谐振环双通带滤波器
8.A Miniature Dual-Band Bandpass Filter Based on Stepped Impedance Resonators基于阶梯阻抗谐振器的小型化双频带通滤波器
9.The Numerical Simulation of Quasi-Isentropic Compression Via Graded Impedence Flyer;利用阻抗梯度法实现准等熵压缩的数值模拟
10.Three-dimensional Conjugate Gradients Inversion of Magnetotelluric Impedance Tensor大地电磁张量阻抗三维共轭梯度反演研究
11.Anti-crack Design and Evaluation of Concrete Used in Functionally Gradient Segment of Shield Tunnel;功能梯度盾构管片混凝土抗裂设计与评价
12.Predicting aquifer porosity of coal mine by impedance inversion地震波阻抗反演预测采区孔隙度方法
13.Application of wave impedance inversion in coal seam thickness prediction波阻抗反演在煤层厚度预测中的尝试
putational Design of Graded Density Impactors for Shock Loading and Quasi-Isentropic Compression冲击加载-准等熵加载过程的密度梯度飞片计算设计
15.Experimental Identifying on Characteristic Impedance and Propagation Constant of Thermoacoustic Regenerators at Without Temperature Gradient无温度梯度条件下高频热声核的特征阻抗和传播常数实验辨识
16.The design of strain gages in regions of high strain gradient is discussed.本文讨论了大梯度应变区电阻应变片的设计问题。
17.Preparation and Quasi-isentropic Compressive Characteristics of W-Mo-Ti Flier-plate with Graded Wave Impedance;W-Mo-Ti体系梯度飞片材料的制备及其准等熵压缩特性
18.acoustic impedance density声阻抗密度，声阻抗率
相关短句/例句
internal slope impedance内梯度阻抗，动态内阻抗
3)Flier-plate with graded wave impedance波阻抗梯度飞片
1.Flier-plate with graded wave impedance, which can be regarded as a new type of functionally graded material since its wave impedance changes quasi-continuously along the thickness" direction and thus has quasi-isentropic compressive characteristics, has come to show great potential for the application in dynamic high-pressure technique.波阻抗梯度飞片作为一类新型的功能梯度材料，因其波阻抗值沿厚度方向呈准连续变化，而具有准等熵压缩特性，可以看作是功能梯度材料在动高压物理研究领域中的应用新拓展。
4)step-impedance阶梯阻抗
1.The structer ofstep-impedance can effectively reduce the length of a dielectric coaxial resonator ,each length of astep-impedance coaxial resonator is usually calculated by solving resonatant condition equation,which is complicated.阶梯阻抗结构可以有效地降低同轴谐振器的高度,阶梯阻抗同轴谐振器的各段长度一般是通过求解谐振条件方程式来确定,计算过程繁琐。
2.In this thesis, the related theories and technologies of thestep-impedance dual-band bandpass filter are studied mainly, with an emphasis on the synthesis and design of this filter.本文以阶梯阻抗双频带通滤波器的综合与设计为主,并研究了与之相关的理论和技术。
5)flier-plate material with graded wave impedance波阻抗梯度飞片材料
6)flier-plate with graded wave impedance多层阻抗梯度飞片
1.The process of shock waves propagation in the target material is analyzed theoretically when hitted by aflier-plate with graded wave impedance.基于冲击波理论对多层阻抗梯度飞片击靶过程波系的相互作用做了理论分析,计算表明在多层阻抗梯度飞片的撞击下,样品的压缩线是一组通过不同初始状态点的冲击压缩线的连线,它位于冲击压缩(hugoniot)线与等熵压缩线之间。
2.Based on theory of shock waves, the process of shock waves propagating in the material was analyzed when theflier-plate with graded wave impedance impacted the target.基于冲击波理论对多层阻抗梯度飞片击靶过程波系的相互作用做了理论分析,计算表明在多层阻抗梯度飞片的撞击下,样品的压缩线是一组通过不同初始状态点的Hugoniot线的连线,它位于Hugoniot线与等熵压缩线之间。
延伸阅读
梯度分子式：CAS号：性质：设体系中某处的物理参数(如温度、速度、浓度等)为w，在与其垂直距离的dy处该参数为w+dw，则称为该物理参数的梯度，也即该物理参数的变化率。如果参数为速度、浓度或温度，则分别称为速度梯度、浓度梯度或温度梯度。
