背散射回波,backscattered echo
1)backscattered echo背散射回波
1.The channel defects with diameters between 50 μm and 150 μm in the seal area of flexible packages are detected usingbackscattered echo envelope integral imaging method.将超声无损检测技术应用于软包装热封性能检测中,采用背散射回波包络积分成像技术,对塑料软包装封口处直径为50～150μm的6种通道型缺陷进行实验研究。
2)Dispersion echo散射回波
英文短句/例句
1.Characteristics of amplitude distribution of EM returns from two dimension fractal surfaces二维分形粗糙面电磁散射回波的幅值分布特征
2.Research on the Supersensitive Detecting Technology of Backward Raman Scattering Signal in Optic Fiber光纤中拉曼散射回波超高灵敏度探测技术研究
3.deep scattering layer测深声波)深海散射层音波散射层
4.The mirror reflects light back to the scatter plate.镜面把光反射回散射板。
5.The manufacture of real-time radar echo simulator based on the scattering character of target基于目标电磁散射特征的雷达回波信号实时模拟系统的研制
6.Empirical Mode Decomposition Algorithm Research & Application of Mie Lidar Atmospheric Backscattering SignalMie散射激光雷达大气回波信号经验模式分解算法的研究与应用
7.wavelength-dispersive X-ray analysis波长色散x-射线分析
8.tropospheric scattered propagation of radio wave对流层电波散射传播
9.X-ray wave length dispersive spectrometerX射线波长色散谱仪
10.Radiative scattering depends on the particle size in relation to the wavelength of light scattered.辐射散射取决于与散射光波长有关的粒子大
11.A scattered wave field is a function of the incident wave field and the wave impedance difference function.散射波场是入射波场与波阻抗差函数的函数。
12.pulsed echo ultrasonoscope回波反射式超声诊断仪
13.Analysis of Characteristics of Electromagnetic Wave Scattering and Clutter from Rough Ocean Surface;粗糙海面电磁波散射与杂波特性分析
14.Application of Wave Function Expansion in Scattering of Elastic Waves;波函数展开法在弹性波散射中的应用
15.Multiple Elimination Study Based on Wavefields Separation between the Reflecting and the Scattering基于反射、散射波场分离的多次波消除方法研究
16.Technology of Soft X-Ray Diffraction and Sulfur Single-wavelength Anomalous Diffraction in Protein Crystallography长波长X射线衍射技术与蛋白质晶体中硫的单波长反常散射研究
17.Study on Wave Propagation and Scattering Characteristics of Atmospheric Discrete Random Media;大气中离散随机介质的波传播和散射特性研究
18.Refraction of reaction-diffusion plane wave for different diffusion coefficients在不同扩散系数下反应扩散平面波的折射
相关短句/例句
Dispersion echo散射回波
3)backscattered ultrasound echoes超声散射回波
1.It was proved that: (1) the ampli-tude ofbackscattered ultrasound echoes changed with the tissue temperature,also done the wavelets coefficients; (2) the relationship be-tween the amplitude ofbackscattered ultrasound echoes and the tissue temperatures was the same as the relationship .实验结果表明:(1)组织温度变化时其散射的超声回波幅值发生变化,超声散射回波的小波变换系数也发生变化;(2)超声散射回波的幅值变化和组织温度变化的关系与超声散射回波的小波变换系数变化和组织温度变化的关系相同;(3)生物组织温度在37～600C间,超声散射回波的幅值和超声散射回波的小波变换系数随温度上升而增大;生物组织温度在60～800C间,超声散射回波的幅值和超声散射回波的小波变换系数变化与温度变化没有确定的关系。
4)echo signal of acoustic scattering声散射回波信号
5)backscattering echo后向散射回波
6)transient scattered response瞬态散射回波
1.The theory of non-steady noisy signal processing based on EMD method is discussed,and this method is used to recover signal fromtransient scattered response contaminated by Gaussian white noise.本文分析了用经验模态分解 (EmpiricalModeDecomposition,EMD)方法处理非平稳噪声信号的基本原理 ,并利用EMD方法有效地消除了高斯白噪声对瞬态散射回波的干扰 。
延伸阅读
散射分子式：CAS号：性质：一个粒子（分子、原子、自由基或离子）从远处接近另一粒子，经相互作用又离去的过程称为碰撞，也称散射，是化学反应过程中最基本的微观现象。气溶胶内颗粒随气流运动时，尺寸较大的颗粒往往会偏离流体运动方向而和器（管）壁发生碰撞弹跳。在旋风分离器内，这种现象可使粗粒被夹带出来，反而分不干净。在管道输送中，这种现象有助于使粗粒悬浮在流体中而不致于沉积在管下部。
