A de-noising method for laser ultrasonic signal based on EMD;
基于EMD的激光超声信号去噪方法
Relation of intensity of photoacoustic signal and concentration of solution;
光声信号强度与溶液浓度关系的研究
The effect of the polarized direction of laser on the amplitude of photoacoustic signal;
激光偏振方向对光声信号的影响
The effect of the angle of laser incidence on photoacoustic signal;
激光入射角对光声信号大小的影响
In order to collect photoacoustic signals and reconstruct images quickly,photoacoustic signal collecting and image reconstructing system based on virtual instrument is applied to collect photoacoustic signals.
为了实现光声信号的快速采集和图像重建,采用基于虚拟仪器的光声信号采集和成像系统进行光声信号采集,由LABVIEW调用MATLAB程序对采集到的数据进行处理,最后利用滤波反投影重建算法,实现了对模拟组织样品的光声层析成像。
Signal Detection of Laser Ultrasound Based on Spherical Confocal Fabry-Perot Interferometer
基于共焦球面法布里-珀罗干涉仪的激光超声信号检测
Principle and testing method of laser-generated ultrasonic and its applications are introduced.
介绍了激光超声的机理、光激超声波信号的检测方法及其应用。
The Development of Optical Signal Examination Module in Laser Ultrasound System;
激光超声系统中光信号检测模块的研制
Design of Signal Generator Based on USB and Development of Laser Source in Laser Ultrasonic System;
激光超声系统中基于USB的信号源设计和光源的研制
Wavelet Transformation Based Laser Ultrasonic Nondostruction Detection for Signal Denoise Processing
小波变换在激光超声无损检测信号去噪中的应用
Medium and low frequency underwater acoustic signals detecting with laser interferometry
中低频水下声信号的激光干涉法探测
The modulated underwater laser signal can be detected by using a direct light intensity detecting method.
利用直接光强检测方法可以检测受水下声信号调制的激光信号。
Research on Suppression of the Atmospheric Noise and Environmental Noise in the Signal of the Laser Listening System;
激光侦听信号中大气噪声与环境噪声的降噪研究
a weak light, signal, sound
微弱的光线、 信号、 声音
Research on the Test Technology of Frequency of Underwater Acoustic Signals Based on the Laser Interference Principle
基于激光干涉原理的水下声信号频率测试技术的研究
Effects of time period modulation of the noise correlation intensity and bias signal modulation of the noise on stochastic resonance of a single-mode laser
偏置信号调制下噪声关联的周期调制对单模激光随机共振的影响
Effect of the period modulation of the correlation intensity between color noises on the stochastic resonance of the single-mode laser with the signal modulation
信号调制下色噪声间关联的周期调制对单模激光随机共振的影响
VISUALIZATION OF UHF ACOUSTIC TRAVELING WAVEFRONT BY CW LASER--THEORY AND EXPERIMENT OF SPATIAL AND TEMPORAL INFORMATION CORRELATION OF LASER
连续激光显示超高频声行波波前图象——空时信息相关理论和实验
Study on Laser Ultrasound Detecting with Fiber Interferometer;
基于光纤干涉仪的激光超声检测研究
Supersonic Jet-cooled Laser-induced Fluorescence(LIF) Spectrum of Biacetyl
超声射流冷却丁二酮的激光诱导荧光激发谱
Study on the Acousto-Optic Signal Processing Based on the Coherent Optical Technology
采用相干光技术的声光信号处理研究
Laser Proximity Fuze Signal Processing Technology Based on DSP;
基于DSP的激光近炸引信信号处理技术
Analysis on Echo Waveform Processing Method of Laser Fuse
激光引信回波信号处理方法分析研究