That's the interference of sound waves from the forks.
那是音叉发出的声波的干涉的结果。
A theory analysis is made for a phenomenon of "line group" which is bell shaped, and the spectrum interference between direct path sound and reflected sound is revealed.
从理论上分析了钟型的“线谱群”的产生原因，证明了此现象是反射声和直达声之间的谱干涉引起的。
Beside filtering interference signals and extract effective signals, it is a difficult problem to study the separation of multi-signal of sound wave and vibration.
在实际测量过程中，除了过滤干扰信号，提取有效信号外，多振动源信号分离是本文研究的一个难点。
The reason to produce beat interference of color subcarrier and sound intercarrier is analyzed with the introduction of considerable items for design and testing methods.
分析了彩色副载波和伴音内载波差拍干扰产生的原因、设计应考虑的问题以及测试方法。
Sound intensity measurements accurately capture only the sound produced by the source under test, eliminating interference from other sounds and realizing the location of the sound.
声强测量可以剔除其他声音的干扰，准确的确定声源的位置，即进行声源定位。
The principles used in measuring sound velocity by means of resonant interference and phase comparison are analyzed and compared, which are convenient for teaching.
为了方便教学，对用共振干涉法和相位比较法测定超声声速的原理进行了剖析、比。
The fetal heart sound transducer is a Key component of the delivery monitor. The main problem with traditional transducers is their low anti-interference ability.
胎儿心音换能器是分娩监护系统中的关键部件，目前使用的胎心音换能器的主要问题是抗干扰能力差。
The fetal heart sound transducer is a Key component of the delivery monitor. The main problem with traditional transducers is their low anti-interference ability.
胎儿心音换能器是分娩监护系统中的关键部件，目前使用的胎心音换能器的主要问题是抗干扰能力差。
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