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- laser acoustic signal 激光声学信号
- The underwater acoustic signal can cause surface wave motion at the water-air interface and hence modulate the magnitude of the laser beam falling on the water surface. 水下声信号在水-空气界面会引起表面波动而对打在水表面的激光进行调制。
- The underwater acoustic signal can cause surface wave motion at water-air interface and modulate the magnitude of the laser beam falling on the water surface. 水下声信号在水-空气界面会引起表面波动而对打在水表面处的激光束进行幅度调制。
- Audio signal acquisition procedures, can show a number of acoustic signals. 音频信号采集用程序,可以显示多个声波信号。
- The influence of keyhole behavior on optical and acoustic signals emitted by plasma during laser welding was analyzed using mismatch samples. 利用错边试样的激光焊接实验来研究小孔行为对等离子体光、声辐射信号的影响。
- The relationship between acoustic signal frequency and beam diamter, which is inconsistent with the results of work[7. 8],is meassured to be f= Cs/2d. 声信号频率与束直径的关系为f=(C_s)/(2d),它不同于工作的结果。
- Acoustic signal is stability and accuracy , so using acoustic signal to classify objects can expand the field of pattern recognition . 声信号具有稳定、精确的特点,使用声信号作为目标分类可以使模式识别的领域大大的拓宽。
- The results show that the main frequency of the acoustic signal increases with the shape change of the ripple spring located under the slot wedge. 研究表明在波纹板的弹性范围内,随着波纹板形变量的加大,测得的声信号能量谱图中主频率值逐渐增加。
- In this paper the function and key technology for the designing of dis play and control software for Laser Acoustic Remote Sensing System is introduced , then a description of the Lab Windows/CVI Based completion plan is given. 本文介绍了激光声遥感系统显控软件的功能和设计中的关键技术,并给出其在LabWindows/CVI环境下的实现方案,总结了基于此种方案的优越性。
- The pressure acoustic signal generated by the cavitation bubble was detected with the high-frequency measuring hydrophone. 实验表明:激光空泡的特征与水动力空化空泡相似;
- To get the characteristics and applications of laser acoustic effect in liquid,the shape of the wave front and waveform were analyzed theoretically,and laser acoustic effect induced by pulsed CO_2 laser was acquired experimentally. 以研究液体中激光声波的特点与应用为目的,从理论上分析脉冲激光在液体中产生的声波的波阵面、光声脉冲波形的特点,并用实验的方法观察脉冲CO2激光光声脉冲的波形、频谱特性及光击穿现象。
- In acoustic signal processing,it is valuable to determine whether a real room acoustic system is nonlinear deterministic. 实际房间声学系统是否具有非线性确定性是声学信号处理中值得研究的问题。
- In this paper, the acoustic signals of FBC is studied with chaotic theory. 本文应用混沌理论对燃煤流化床燃烧产生的声波信号进行了研究。
- It is realizable for the unit to pick up acoustic signal of different frequencies in a severe noisy background and single chip programmable shift and magnific. 可以实现在较大的背景噪声中提取不同频率的水声信号,在水声信号处理上使用了单片机程控换档放大,使之灵活。
- It is convenient to use the virtual instrument for data acquisition and analysis of the underwater acoustic signal,and help us to determine the structure and the arit... 利用虚拟仪器方便地实现了对水声信号的采集、处理,以及对水下目标测量时,为传感器结构和算法的确定提供参考。
- The underwater acoustic signal is the main information for the underwater detection and identification system, so it is very important to get the acoustic signal efficiently. 摘要水下声信号是水下探测系统实现对水中目标远程探测识别的主要信息之一,有效获取水下声信号是一个十分重要的问题。
- Research of Laser Acoustic Effect in Liquid 激光在液体中的声效应研究
- This paper proposes a novel method for detecting gas leakage from cracks in pipes using acoustic signal power spectrum analysis and clustering support vector machine(CSVM). 本文提出了一种基于声学信号功率谱分析和聚类支持向量机的检测管道损坏导致气体泄漏的新方法。
- The system can acquire, store and process muti-channel underwater acoustic signal and meet the design factors such as speed, accuracy, and power dissipation. 可同步采集存储和处理多路水下信号,系统速度、功耗、精度都满足水声探测系统的要求。
- scanning laser Acoustic microscope (SLAM) 激光扫描声学显微镜