本发明涉及一种旋转超声成像系统，包括控制装置、超声探头和旋转马达装置。其中所述旋转马达装置接收所述超声探头发送的超声信号，并通过三百六十度旋转输出所述超声信号到所述控制装置；所述超声探头包括具有一安装槽的壳体，在所述安装槽内设置有具有一聚焦凹面的超声换能器。通过直接在超声换能器上构造聚焦凹面，从而在无需加入额外组件(例如透镜)的情况下，实现了旋转超声成像系统的聚焦，提高了横向分辨率及性能；通过将旋转超声成像系统的旋转马达输出轴构造为中空轴干的形式，为超声换能器的超声信号传输到控制装置提供一个三百六十度旋转的路径，从而不需要设计复杂的模块来解决三百六十度旋转超声换能器的位置校准及电信号引出。此设.....
[Detail]
The invention discloses a navigation route display method, which comprises the following steps: extracting crossings from acquired navigation routes; segmenting the navigation route according to the extracted crossings; calling a crossing symbol template base for anyone of the extracted crossings an.....
[Detail]
一种可转换款式的智能制冷服，包括做成整件衣服的靠近人体侧的单向传水材料（２）；按人体主要出汗部位设计的布置在该整件衣服外面的快干面料（３）；置于该快干面料（３）和该单向传水层（２）所形成的封袋（７）中的降温材料（４）；使领、袖、腰、襟快速扎紧或解开的扎解装置；以及按人体活动和服装转换而设置在封袋（７）上的防止降温材料（４）挤在一起的多个衍缝组成。当人体须保温或变换款式时，用该扎解装置把领、袖、腰、襟扎紧使本服装（１）变成一件紧口Ｔ恤。也可以用该扎解装置把领、袖、腰、襟解开使本服装（１）变成一件宽松的基本单层的夏威夷恤。单向地传入该降温材料（４）中的汗水使该材料开始制冷。
[Detail]
The invention provides a flexible ultrasonic transducer array, which comprises at least two ultrasonic transducer units and flexible layer medium. The ultrasonic transducer is arranged in the flexible layer medium or on the surface of the flexible layer medium in the form of array; an ultrasonic dev.....
[Detail]
A use of radio frequency identification technology reference positioning system, comprising: a plurality of RFID reference tags, fixed to the coverage of the system within the fixture; plurality of RFID tag object, disposed on the object positioned want; plurality of mobile RFID reader, set on a mob.....
[Detail]
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