Study and application of method for analysis on cavitation characteristics of hydro-turbine based on acoustic detection;
基于声波探测的水轮机空化分析方法研究与应用
Research of the validity of L_1 norm deconvolution and its application in acoustic detection of buried objects;
L_1模解卷方法的有效性及其在地下目标声学探测中的应用研究
The progress of researches on non-acoustic detection for submarine wake is presented in the paper.
伯努利“水丘”、开尔文尾流、涡尾迹、内波尾迹都起源于潜艇水动力学 ,对于潜艇的非声探测具有重要的应用意义。
Because turbulence and wake caused by a submarine\'s underwater movement on certain sea state and submerged depth conditions,result in abnormal radar backscattering coefficient of ocean surface,Computer experiment is done by this detection method,and the results are analyzed,Thus this paper will provide valuable help for studying non-acoustic detection for submarine.
根据水下潜艇在运动时形成的尾流、尾迹,引起海面雷达后向散射系数发生"异常"这一特征,提出了一种直接利用雷达海面回波信号来探测水下潜艇的方法,并利用计算机仿真实验对此探测方法的实验结果进行了分析评估,为研究潜艇的非声探测提供了有价值的参考。
non-metal ultrasonic detector
非金属超声波探测仪
Studies on internal fissures and fractures of stone sculptures by ultrasonic techniques;
乾陵石刻内部裂隙的超声波探测研究
Study on Acoustic Detecting Application of Tunnel Surrounding Rock Loose Circle
隧道围岩松动圈声波探测技术应用研究
circumferential microsonic sonde
环行微声波测井探头
midget ultrasonic fish finder
小型超声波鱼群探测器
An Ultrasonic Intruder Detection Method Based on Echo Envelope
基于回波包络的超声波入侵探测方法
A discussion on the mechanism of acoustic cement bond logging
固井水泥胶结声波测井声学机理探讨
Application of Survey Technology of Ultrasonic Wave CT in Karst Project
超声波CT探测技术在工程岩溶探测中的应用
The phase alternated filtered clicks of 2kHz and 4kHz were employed as probing sound and tone burst with rising and falling time of 10ms ;
探测音用2kHz、4kHz相位交替的滤波短声.
The Barrier Detection System Based on Technology of Ultrasound Locating;
基于超声波定位技术的障碍探测系统
Application of Wavelet Analysis in Detecting GPS Signal Noise
小波分析在探测GPS信号噪声中的应用
Sound Propagation Fluctuation Caused by Internal Waves and Detection of Internal Soliton Properties;
内波致声传播起伏与内孤立波特征探测
APPLICATION OF LONG SPACING SONIC LOG IN THE DETECTION OF INTERFACE BOND OF CEMENTING
长源距声波测井在固井界面胶结探测中的应用
Research on Radial Investigation Depth and Influencing Factors of Acoustic Logging
声波测井径向探测深度及影响因素研究
Measuring Bottom of Sea Target with Side Scan Sonar and Multibeam Sounding System
侧扫声纳和多波束测深系统组合探测海底目标
Application of Remote Exploration Acoustic Reflection Imaging Logging Technique in Fractured Reservoir
远探测声波反射波成像测井技术在裂缝性储层评价中的应用
Simulation Research on Target Echo in Underwater Acoustic Detection System
水声探测系统目标回波信号仿真技术研究
Mechanisms of Laser Generated Surface Acoustic Wave and Its Application in the Surface Defect Inspection;
激光声表面波及其探测表面缺陷的机理研究
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