| 1. | A robust wideband constant - beamwidth beamforming method for acoustic imaging
一种用于声学成像的稳健宽带恒定束宽波束形成方法 |
| 2. | Acoustic image converter
声象转换器 |
| 3. | In recently years digital teclinology has greatly improved , so it will make great sense to study in digital acoustic imaging system
近年来，数字技术得到飞速发展，成为一种趋势。因此，研究实现数字化的声成像系统十分具有意义。 |
| 4. | The working range of acoustic imaging system is short generally . so focusing has to be taken into account , or the result will be bad
声成像系统的作用距离通常都比较近，这种情况下就必须要考虑近场聚焦的问题，否则波束的指向性会老化。 |
| 5. | Stone of the bile duct outside liver exceeds acoustic image in b stronger echo light shows to the group accompanies phonic photograph and can change along with the posture on the graph
肝外胆管结石在b超声像图上显示较强回声光团伴有声影并可随体位而变动。 |
| 6. | Underwater acoustic imaging teclmology has played an irreplaceable role in many situations . wth wide applying foreground , it has been paid more attention
水下声成像技术在水下探测领域中的诸多场合发挥着不可替代的作用，具有广泛的应用前景，日益得到人们的重视。 |
| 7. | This paper mainly discusses the vital part discrimination of the near - field target by using target acoustic imaging method , which uses dense narrow beams based on high frequency system
本论文主要研究了基于高频体制下利用密集窄波束形成目标图像，进行近场目标精确识别。 |
| 8. | Finally , we constructed a software which included some linear and nonlinear algorithms along with the mathematical morphology for the preprocessing and analyzing in underwater acoustic images
最后实现了一些常用线性和非线性算法，与数学形态学算法一起形成一个适用于水声图象处理和分析的软件。 |
| 9. | 2 . designed acoustic imaging system , it is demonstrated that using acoustic lens imaging is feasible through measuring these sound fields distributing of single dot body and three dots body
设计声成像实验系统，对已知声场中的单点物及同一面上三点物经声透镜变换后的声场分布进行了测量，证实了声透镜成像的可行性。 |
| 10. | In this paper , the work is a part of acoustic vision in the intelligent autonomous underwater vehicle . the aim of the task is researching the algorithms for the preprocessing and recognition of underwater acoustic images
本论文的工作是智能水下机器人“声视觉系统”中的一部分，进行水声图象的预处理和识别算法的研究。 |
