| 1. | Cylindrical wave reflection and antireflection at media interfaces 在介质内表面处柱面波的反射和减反射 |
| 2. | Discussion on the limitation of stress - wave reflection method in testing foundation pile 反射波法在水泥搅拌桩检测中应用探讨 |
| 3. | Acoustics characteristics of deep cement agitating pile and measurement of stress wave reflection 水泥深层搅拌桩声学性质与应力波反射法测试 |
| 4. | Analysis of effect on detecting the integrity of pouring pile of man - made digging hole using stress - wave reflection method 用应力波反射法检测人工挖孔灌注桩的效果分析 |
| 5. | The author discusses the stress wave reflection used to measure the building foundation through a case study . its uncertainty and some new ideas have also been considered in the paper 摘要应力波反射法判断桩身质量具有多解性,本文通过理论和典型实例对此观点进行分析和引证,以期加深对它的理解和认识。 |
| 6. | The land clutter is useless signals for target detection caused by land terrain . the multipath effect is some kind of interference which is caused by wave reflection on terrain . the diffraction effect is the phenomenon of wave propagation into shadow region 地杂波是由地面散射引起的对目标探测无用的信号;多路径是由电磁波在地面反射所引起的干涉;衍射则是电波绕射传播到遮蔽区的现象。 |
| 7. | On the basis of the research achievements of the predecessors , combing the research object , that is spherical indoor space , this thesis adopts energy - area method and the equation of the wrap - up line analyzing and researching deeply on the acoustics wave reflection features of spherical indoor space 在总结前人研究成果的基础上,结合本文的研究对象球形室内空间,采用声能面积法和包络线方程从理论上深入分析研究球形室内空间的声波反射特点。 |
| 8. | In this paper , a quasi - 3d model of nearshore wave - induced currents and long waves is established based on the combination of an averaged integration of surface wave - induced currents equation along water depth , a 2d equation for the solution of vertical structures of the currents and a nonlinear parabolic approximate wave reflection - diffraction equation of mild slope 本文建立了将沿水深积分平均的平面波生流方程和求解波生流垂向结构的二维方程与非线性抛物型近似缓坡波浪折射-绕射传播方程相结合的完整的准三维的近岸波浪引起的水流及其长波的模型。 |
| 9. | Based on the nonlinear parabolic approximate wave reflection - diffraction equation of mild slope , a model of wave propagation on a fan - shaped coordinate is put forward considering winds , bottom friction and wave breaking , etc . the existing calculation shows that the model can be employed to determine wave fields in large water areas 接着以非线性的抛物型近似波浪缓坡方程为基础,提出了扇形坐标下的波浪传播模型,模型包括了风、底摩阻、波浪破碎等因素的影响,可以用于大水域的波浪场的确定;文章最后介绍了一些计算算例。 |
| 10. | According to the test results from 18mm - thick - steel plate adhering to concrete , gas and oil , the obvious differences in the attenuation coefficient and number of bottom waves are found . the test results shows that it is feasible to adopt ultrasonic longitudinal wave reflection method to test the bonding quality of the steel and 采用超声纵波反射法单面检测钢-混凝土的粘结质量是可行的,采用底波衰减系数和底面反射波的个数作为判定钢-混凝土的粘结质量依据是有效的,所采用的理论分析模型是正确的。 |