弱反射波信号识别是声波法煤层厚度探测中的一个关键问题。
To identify the signal of the weak reflected wave is a key problem to detect the thickness of the coal seam by using elastic wave.
试验表明，反q滤波对提高弱反射能量、提高分辨率和增强连续性都是有利的。
Experiments show that inverse Q filtering favours the improvement of weak reflections, resolution and lateral continuation.
通过与钻井资料对比可知，频谱分解技术可以刻画不同频率强反射、弱反射的边界。
It is known by correlation with drilling data that the spectral factorization can describe the boundaries of strong reflection and weak reflection in different frequencies.
一些试验表明，符号位水平迭加方法强调反射波的相干程度，因而在剖面上突出了弱反射波。
Some experiments show that the sign bit horizontal stack method emphasizes the coherence of reflections, thus weak reflections on the section are enhanced.
GJ-4型测头的光电接收器件使用高响应度的雪崩光电二极管，能够对一些弱反射表面获取到较好的测量信号；
Furthermore, the GJ-4 confocal probe uses an avalanche diode with high responsivity. Therefore, it can get better measuring signals from low-reflective surfaces.
基本反射率数据的一种常见用法是显示某地区实际上晴天时的等效弱降水。
A common occurrence for the base reflectivity data is to show the equivalent of light precipitation where there is in fact clear skies.
注意：反射器的反射率越低，光线也就越弱。建议你使用白色的而非金色和银色的。
TIP: the lighter the portion of the reflector, the softer the light. Try the white before you go to gold or silver.
本研究将“边缘层模型”应用于两层流体系统中弱非线性内波在台阶地形上的反射和透射问题的研究。
The edge-layer theory is applied to study the refection and transmission of the weakly nonlinear internal wave over a step in a two-layer fluid system.
光束在弱吸收介质板上反射时，会产生纵向位移。
The finite-sized light beam reflected from a weakly absorbing dielectric slab would experience a longitudinal displacement.
由于目的层反射弱、多次波发育，地震资料品质差，为此二次三维采集时选择了近似全三维的观测系统；
The quality of seismic data was poor because complex and special geological conditions make the reflectivity of the objective formations weak and multiples strong.
研究弱激光驻波场中的无反射势阱。
The reflectionless potential well affected by a standing laser field is studied.
在超声反射回波的数学模型基础上，利用小波滤波方法对超声信号进行预处理，提取强噪声背景中的弱回波信号。
This paper attempts to preprocess ultrasonic signal by wavelet filtering based on the mathematical model of the ultrasonic echo, extracts weak echoes from signal with high noise background.
深反射地震资料处理的关键是从干扰背景中提取和增强深层弱有效信号，提高剖面的信噪比和分辨率。
The present paper has dealt systematically with a practical and effective deep reflection seismic technique—small-scale wide line reflection seismic technique.
利用地面反射率分布图像将遥感数字图像中弱的大气信息与强的地面目标信息分离，生成仅仅包含大气信息的大气程辐射遥感图像。
Atmospheric path radiation remote sensing images are based on values of atmospheric path radiation in remote sensing data dependent only on the state of atmosphere but not ground conditions.
利用地面反射率分布图像将遥感数字图像中弱的大气信息与强的地面目标信息分离，生成仅仅包含大气信息的大气程辐射遥感图像。
Atmospheric path radiation remote sensing images are based on values of atmospheric path radiation in remote sensing data dependent only on the state of atmosphere but not ground conditions.
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