acoustic lens

Studies on Acoustic Lens Imaging of Photoacoustic Signal

光声信号的声透镜层析成像研究

Al. had got 3-D real-time optoacoustic image with much higher optical contrast and ultrasonic resolution by using an acoustic lens system and CCD system.

Frenz等人也利用声透镜结合CCD成像方法实现了对光声信号的实时三维成像，并且获得的光声图像对比度和灵敏度都比较高。

Simulation research on acoustic lens beamforming

声透镜波束形成技术仿真研究

It has put forward a imaging method of acoustic lens using photoacoustic signal and according to the Kirchhoff diffraction theory we deduced pulse response of acoustic lens.

光声信号声透镜层析成像方法的提出，并依基耳霍夫衍射理论推导了声透镜的脉冲响应。

Now, focus transducers have three kinds of types: Focus transducer, acoustic lens, phased array focusing system.

到目前为止可以实现聚焦的换能器有三种类型：聚焦换能器、声透镜、相控阵聚焦系统。

By using complex amplitude to describe sound field distributing, acoustic lens pulse response is deduced in theory, and function imaging of biological tissue is obtained.

以声场复振幅来描述声场分布，根据基尔霍夫衍射理论，从理论上推导了声透镜的脉冲响应，并通过实验得到了生物组织的功能成像。

Rayleigh-Sommerfeld Diffraction Formula on the Thin Acoustic Lens With Larger Aperture

较大孔径薄声透镜声场的瑞利&索末菲衍射公式

Acoustic lens designing is a key technology on lens imaging sonar. Firstly the paper introduces the design principle of the lens in detail.

透镜设计是透镜成像的关键技术，本文系统介绍了声透镜的设计原理。

Four parts are included : acoustic lens, mechanics I electronic circuitsand microcomputer system.

声显微镜由声镜、机械部件 、 电路和微机软硬件组成.

Many ultrasonic treatment systems produced by The Chongqing HIFU Company are acoustic lens focus system.

重庆海扶公司生产的许多超声治疗系统，都采用的是声透镜聚焦系统。