“声波”是个多义词,它可以指声波(物理名词), 声波(手游《变形金刚:崛起》游戏角色), 声波(《变形金刚》角色)。
Comprehended working principle on hydrophone,Counted leakage sound wave signal feature and asked leakage detection system function,to use sensor type of CS-3 to listen sound in pipe to detect leakae sound wave signal.
对水听器的工作原理有了一定的了解,针对供水管道的特性和检测系统性能指标的要求本文采用CS-3水听器水中听音的方法来检测泄漏的声波信号。
参考来源 - 基于水中听音给水管道泄漏检测技术的研究Thoroughly revealing the mechanism of acoustic soot blowing and fully exploring the influence of heat and mass transfer and burning when acoustic soot blowers are used in boilers is advantageous to advance the development of acoustic soot blowing technology.
深入揭示声波除灰机理和全面探索吹灰器的投入对炉内传热、传质和燃烧的影响有利于促进声波除灰技术的进一步发展。 本文采用数值方法分别对加吹灰器前、后两种工况下炉内低温对流受热面部分和炉膛燃烧室的二维流场进行模拟。
参考来源 - 声波除灰技术的研究The main principle is introduced, and the relationship between speed of sonic wave and media temperature is deduced. The great merits and existing questions of acoustic pyrometry are shown.
介绍了声学测温的基本原理,推导了声波传播速度与介质温度的关系式,阐述了声学测温的巨大优势和存在问题。
参考来源 - 声学方法重建炉内温度场的算法研究In chapter 5, the basic theory of acoustic wave tomography is described and the image reconstruction techniques of the ray tomography based on triangle grid are discussed.
第5章叙述了声波层析成像的基本理论,讨论了基于三角网的射线层析成像图像重建技术。
参考来源 - 复杂结构声波电磁波层析成像方法和应用研究The paper puts the emphasis on the signal de-noising and calculation time-difference for collected sound wave and vibration signals. At the same time, the Wavelet Transform is applied to embed and detect watermark.
本论文主要讨论了用小波对声波/振动信号去噪和求时差,同时,也用小波实现了数字水印的嵌入和检测。
参考来源 - 小波变换在信号处理中的应用——声振信号分析和数字水印技术的实现·2,447,543篇论文数据,部分数据来源于NoteExpress
我做了超声波扫描,检查妊娠情况。
I had an ultrasound scan to see how the pregnancy was progressing.
超声波扫描显示她怀了双胞胎。
你听不到这么高频率的声波。
But because the way sound waves operate, we have these low sound waves taking a very long time to clear.
但鉴于声波的传播方式,低声波要过更长的时间才消失
And bathing inside the inner ear fluids where they become stimulated by sound waves and acceleration forces.
毛细胞悬浮在内耳液中,接受声波和其它外力的刺激。
The lowest sounds create the largest sound waves and they last the longest.
最低的声音发出了最长声波,而且声波持续最久
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