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- Finally the acoustic imaging simulation of sphere target on rough seafloor using simple models is made. 最后，利用简单模型，对粗糙海底及球体目标实现了声成像仿真，仿真结果具有一定的指导意义。
- Harmuth Henning F. Acoustic imaging with electronic circuits [ M ]. Academic Press 1979. 中译本;声成象;北京:国防工业出版社;1981.
- Firstly, the mathematical model of acoustic imaging is worked up. Then, the system function of the imaging device is found out. 首先归纳出声成象的数学模型,然后求得成象设备的系统函数。
- In thoery, it is feasible to obtain the shear wave of the formation by dipole acoustic imaging well logging through the casing. 过套管利用偶极子声波成像测量获得地层横波资料,在理论上讲是可行的。
- An underwater acoustic imaging sonar with high-resolution is designed to fulfill the dyke safety detection tasks and ocean exploitation tasks. 针对堤坝安全探测及海洋开发等水下探测任务,设计并实现了一种具有较高分辨率的水下成像声纳系统。
- Acoustic imaging changed in tumors were 13 cases with persistent hyper- e-choic, medium echo in 7 cases, hypo - echoic in 1 case and 2 cases with mixed echoes. 瘤体声像图动态变化:维持高回声的13例,中回声7例,低回声1例,混合回声2例。
- Objective To explore the acoustic imaging window and ultrasonic examination method. of gastroduodenal artery (GDA) and common heptic artery (CHA), to observe the effect of food ingestion on blood flow dynamics of GDA and CHA. 目的 探讨胃十二指肠动脉 (GDA)、肝总动脉 (CHA)的检查方法 ,观察进食对GDA、CHA血流参数的变化。
- AIM: To explore the acoustic imaging window and ultrasonic examination method of gastroduodenal artery (GDA) and common heptic artery (CHA) and to observe the effect of food ingestion on blood flow dynamics of GDA and CHA. 目的 :初步评估超声检测胃十二指肠动脉 (GDA )、肝总动脉 (CHA )的显示率与正常值范围 ,观察进食前后GDA、CHA血流参数的变化。
- Objective To diagnose and distinguish the swell in the infantile scrotum or testicle by the high frequency ultrasonoscopy so as to find the acoustic imaging characters and clinical application value. 目的应用高频超声诊断和鉴别小儿常见阴囊睾丸部肿块,探讨其声像特征和临床应用价值。方法应用高频线阵探头,对46例小儿常见阴囊睾丸部肿块和异常体征处进行多切面、双侧对比扫查。
- The acoustic image is better balanced and more natural sounding across both direct and reverberant fields. 声像在直达声场和混响声场中的声响更加平衡和自然。
- Methods The changes of gastrointestinal acoustic image were observed when the abdominal ultrasonography was performed. 方法在常规腹部超声探查时,注意胃肠道的声像改变,并与胃肠镜活检或手术病理结果对照。
- Methods To analyse the acoustic image of fifteen cases of eclopic debouch ureteral orifice and and then comparde with other examinations. 方法将15例输尿管异位开口合并症的声像图特征综合分析判断,间接诊断此症,并与其他检查进行对比分析。
- Objective To explore the approach of ultrasound diagnosis of the placental abruption and the characteristic of acoustic images and graphs. 目的探讨胎盘早剥的超声诊断方法及声像图特征。
- Electron acoustic imaging and applications 电声显微成像和应用
- In order to solve the problem of deformation and blurry edge in underwater acoustic image segmentation, an approach based on the deformable template is presented. 针对水下声成像中的形变和边缘模糊等问题,在分析现有模板匹配算法存在问题的基础上,提出了一种基于可变形模板的水下声图像分割算法。
- The Organizing Committee is very pleased to invite you to submit a paper for the 14th International Symposium on Acoustical Imaging. "第十四届国际声象学术讨论会"组委会非常高兴地邀请您惠寄一篇学术论文。
- acoustic imaging by Bragg diffraction 布拉格衍射声成像
- Results:In the patients with chronic alcoholism caused by lastingly drinking high degree wine,54% had hepatomegaly and liver parenchyma showed lipoidal-change acoustic image at varied degree. 结果,长期饮用高度白酒后形成慢性酒精中毒的患者,肝脏增大者占54%25,而且其肝实质有不同程度的脂肪性变声象图。
- Methods The aspects of acoustic images and Doppler bloodflow of the abnormal valves of 360 cases senior degenerative valvulopathy which diagnosed by Color Doppler Sonography were analyzed. 方法:收集经彩色多普勒超声诊断为老年性退行性心瓣膜病360例的超声资料和临床资料,总结分析其病变瓣膜的声像图特点、彩色多普勒血流情况及与年龄的相关性。
- Opened the show with an acoustic set. 不用电子乐器开始演出
