For the eyeball composed of membrane and liquid, the contrast of ultrasound imaging is not high due to its small variance in acoustic impedance.
对于由膜组织和液体构成的眼球来说，由于其超声阻抗差别不大造成眼超声成像的对比度不高。
A kind of method based on binocular vision for imaging velocity measurement of particle floating in the air or liquid is put forward.
针对漂浮在空气中或者液体中的粒子的速度测量，提出了一种基于双目视觉的测量方法。
The invention discloses a thermal-enhanced polymer nano ultrasonic imaging micelle loaded with liquid fluorocarbon and a preparation method thereof.
本发明公开了一种热增强型负载液态氟碳的聚合物纳米超声显像胶束及其制备方法。
By optimizing the initial image capture stage, using liquid crystal light valve to make a simple modification of the imaging system, the goal of high object recognition is achieved.
通过对这些物理因素进行分析，指出“切割波段”可有效提高信噪比，将高温目标识别出来，并通过液晶光阀予以技术实现。
By optimizing the initial image capture stage, using liquid crystal light valve to make a simple modification of the imaging system, the goal of high object recognition is achieved.
通过对这些物理因素进行分析，指出“切割波段”可有效提高信噪比，将高温目标识别出来，并通过液晶光阀予以技术实现。
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