reflection echo
英 [rɪˈflekʃn ˈekəʊ]
美 [rɪˈflekʃn ˈekoʊ]
网络 反射回波
双语例句
- Maximum entropy spectral estimation and LMS adaptive algorithm were proposed to extract the reflection echo signal of laser ranging system.
提出了最大熵谱估计和LMS自适应算法提取激光测距系统的反射回波信号。 - This paper introduces the theory calculation of shear wave reflection for block corner. And it derives the echo acoustic pressure theory calculation formula for block corner and its shape defect.
阐述了横波在端角反射中的理论方法计算，并推导端角及端角形缺陷的回波声压理论计算公式。 - Based on the principle of imagery by a digital ultrasonic logging system, a method for computing the reflection coefficient of the side wall according to the degree of greyness and the echo time data is presented.
本文从数字超声电视测井的成象原理出发，研究了根据井壁超声图象的灰度和回波时间数据计算井壁反射系数的方法。 - At analysis of sea surface target, utilizing the powerful reflection center theory produce the echo signal of the vessel in the different distance unit and different azimuth unit, and simulation the target image.
在对海面目标的分析中，利用强散射点模型理论产生位于不同方位单元不同距离单元舰船目标的回波信号，模拟出海面目标的一维和二维距离像。 - In high frequency range, the specular reflection echo have the same wave form as the incident wave, but in low frequency range or resonance scattering range, there is a time expansion of the pulse width after main reflecting echo from smooth curvature surface.
在低频或谐振散射区域，光滑曲率表面的脉冲镜反射回波特征是在主回波后有时间扩展，它是由曲率反射面产生的，称为回波的曲率效应； - The difference and influence of analogue echo and reflection echo behaviour coming from a mobile torpedo target
活动靶标模拟声特性与反射声特性的差异及其影响 - The acoustic parameters include complex reflection and transmission coefficient ( echo reduction and insertion loss), attenuation coefficient, complex acoustic impedance and sound speed.
测量参数包括复反射系数（口声降低）、复透射系数（插入损失）、衰减系数、复声阻抗和纵波声速。 - Sound pulse specular reflection echo and their curvature effect of boundary surface
脉冲镜反射回波及其表面曲率效应 - Reflection interference modulator for optical signal in fiber transmission system was designed based on the multiple-beam interference effect of the echo wave which was aroused on the end face of fiber and the face of the crystal.
利用光纤传输系统中菲涅耳反射所产生的反射回波和多光束干涉效应设计了一种反射型光纤信号干涉调制器。 - The ultrasonic method for measuring the length of the axial is mainly based on the principle of the reflection of the ultrasonic echo wave.
超声法测量眼轴长度主要是利用超声波的回波反射原理。 - The ultrasonic echo signal processing method which based on the pulse of the reflection for echo signal processing is studied, which can analyze the defects of echo signal characteristics, their impact on the test specimen by the internal structure of the change.
本文采用基于脉冲反射法的超声回波信号处理方法对回波信号进行处理，使用该方法能够分析出缺陷对回波信号超声特性的影响及其被测试样内部结构的变化情况。 - The wireless control blasting machine synchronous excitation will be directly related to the quality of seismic reflection echo receiving accuracy and seismic data, meanwhile, the reliability of data transmission will not only relates to the explosive material waste, but also relates to personal safety.
此时对于无线控制下爆炸机的同步激发将直接关系到地层反射回波接收时刻的准确性和地震资料的质量，同时数据传输中的可靠性将不仅涉及到炸药等物质的浪费，更涉及到人身安全。