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- ultrasonic echo amplitude 超声回波振幅
- The simulated annealing method is applied to the simulation of ultrasonic echo in this paper. 摘要本文应用模拟退火算法来改进超声回波模拟问题。
- By interaction between ultrasonic waves and elastic medium, it has carried much information of material, which are received in the form of ultrasonic echo signals. 它是利用超声换能器的振动产生的超声波与弹性介质相互作用,从而携带大量有关材料性能的信息,这种信息以超声回波信号的形式被接收到。
- Methods 17 patients were examined by trans thoracic echocardiography(TTE),and observed the membrane shape ultrasonic echo、blood stream change in aortic canal. 方法采用经胸超声(TTE)检查17例夹层动脉瘤患者,观察主动脉管腔内有无膜样回声及管腔内血流情况。
- As the sample of eraser, ultrasonic echo signal is collected to further prove the relationship between the echo displacements and the changing of temperature in the experiment. 实验中利用橡皮作为样品,采集超声回波信号,进一步验证了回波信号与温度变化之间的关系。
- It is proved by simulation and experiment that we can obtain the TDE value precisely by this method and simultaneously the effect on TDE because of the ultrasonic echo specialty is avoided. 仿真与实验研究表明，该方法在高信噪比下可以精确得到时延估计值，同时避免了超声回波信号的慢衰减高频振荡特性对时延估计带来的影响。
- The Echo Amplitude Normalization for Swath Bathymeter 条带测深仪中回波信号的幅度归一化
- Ultrasonic Echo Ranging Equipment 超声回波测距设备
- A bispectrum-based approach is applied to extract feature information of cementing oil well from ultrasonic echoes. 给出了基于双谱提取固井胶结特征信息的方法,并利用这种方法对实际信号进行了处理。
- Statistic evaluation of ultrasonic echo feature value 超声回波特征值的统计学分析方法
- Sound waves are measured by their amplitude. 声波是根据其振幅来测量的。
- Keywords model wells;Circumferential Borehole Image Logging data;echo amplitude: fractura] width;quantitative computation; 模拟井;井周声波成像测井;回波幅度;裂缝宽度;定量计算;
- The doctors gave him an ultrasonic brain scan. 医生给他做了脑部超声波扫描检查。
- Her performance was cheered to the echo. 她的表演获得长时间的喝采。
- The bird-song is the echo of the morning light back from the earth. 鸟的歌声是曙光从大地反响过去的回声。
- The amplitude or loudness of a sound. 音量声音的响度或强度
- His words aroused no echo in their hearts. 他的话未能在他们心中引起共鸣。
- Displacement amplitude of the Cavi-Endo ultrasonic file tip. Cavi-Endo超声仪锉尖振幅的测量
- STUDY OF IMPROVED RESOLUTION AND DECONVOLUTION OF DEEP ULTRASONIC ECHO SIGNAL IN TISSUE 软组织深层超声回波信号解卷处理和提高分辨率的研究
- By their comprehensiveness and amplitude these picture fille the imagination. 这些照片以其综合性和丰富而充满了想像力。
