而且黑客似乎只能在塑料键盘上运用这个方法，因为金属会反射出大量的热量干扰波，从而使得红外摄相机无法准确识别。
And the hack only seems to work on plastic keypads — metal returns too much heat noise for the IR camera to reliably discern with keys were just pressed.
用这类电缆纪录反射波，干扰噪音比以前应用的各类电缆要小。
Such cables record reflections with less interference from noise than was usually possible with earlier types.
结果表明：应用该文所介绍的处理方法不但能有效压制探地雷达信号中的随机干扰而且能精确确定反射波的起跳点。
The results demonstrate the cross correlation filter not only can suppress random noise in GPR signal but also confirm exactly the onset of reflection wave.
反射波在经过近地表的过程中受到诸多因素的干扰，尤其是地表起伏和近地表低降速带，对其影响甚大。
Reflections are impaired by interferences, especially irregular topography and low velocity layer when they travel through near surface.
其中阶梯型全倾角偏移既能有效地消除交叉干扰，又能保持大倾角反射波的振幅特性。
The all-dip migration using ladder difference scheme not only effectively removes cross-interference but also preserves amplitude characteristic of steep-dip reflections.
在石油地震勘探中，面波一般是作为干扰波处理的，然而，瑞利面波也和折射波、反射波一样包含有地下介质的信息。
The surface wave is treated as interference wave in oil seismic prospecting, however, the Rayleigh wave, like the refraction and reflection waves, contains the information of underground medium.
在用声波测试油井油液面深时，反射声波受到大量杂波干扰，给接箍波和液面波的定位带来了极大的困难。
For the abundant of noise in testing oil well depth with sound wave, it is difficult to locate the reflected sound wave.
经典的组合理论主要偏重于论述对各种干扰波的压制能力，而较少研究对有效反射波的压制及改造作用。
The classical array theory mainly expounds how geophone array suppresses seismic noises, but seldom shows how effective seismic ref- lections are depressed and distorted by geophone array.
文中给出了计算边界有效载荷的递推公式，可以简便有效地避免虚假反射波的干扰。
The method is simple and efficient. A recursion formula to calculate the effective load at the boundary is presented.
文中给出了计算边界有效载荷的递推公式，可以简便有效地避免虚假反射波的干扰。
The method is simple and efficient. A recursion formula to calculate the effective load at the boundary is presented.
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