| 1. | Study on sweep - frequency electrical impedance tomography system 扫频式电阻抗断层成像系统的研究 |
| 2. | The 32 channels eit system is based on the theory of " eyewinker disturb " 32通道电阻抗断层成像系统基于的是“异物扰动”原理。 |
| 3. | This paper focuses on illustrating the constitution of the 32 channels eit system and shows how it works 本文主要是介绍32通道电阻抗断层成像系统的构成和它的工作原理。 |
| 4. | In vivo measurement of the rabbit brain impedance frequency response and the elementary imaging of electrical impedance tomography 在体兔脑组织电阻抗频率特性测量及电阻抗断层成像 |
| 5. | Chapter 1 narrated the phylogeny and status quo of eit and the significance of this project mainly 本文第一章主要讲述了国内外关于电阻抗断层成像研究的现状和本课题研究的意义等内容。 |
| 6. | Electrical impedance tomography ( bit ) is a technique that produces images of the tissues by means of impedance distribution in a body 电阻抗断层成像( electricalimpedancetomography , eit )技术是以人体内部电阻率的分布为目标的重建体内组织图像的技术。 |
| 7. | Electrical impedance tomography ( eit ) is a new type of technique with the feature of harmless , non - invasive and convenience , developed in recent years 电阻抗断层成像( eit )技术是近年来发展起来的基于生物组织电学特性的、无损的、价格低廉的新一代功能成像技术。 |
| 8. | Voltage data come from the dynamic induced current electrical impedance tomography hardware system designed by our group , which has 32 measuring electrodes and the stimulating source is the sinusoidal current 采用本课题组研制的32电极感应电流电阻抗断层成像硬件系统并测量物理模型上的电压数据。 |
| 9. | The second part is a detector which is used to detect the distribution of voltage on the patient ' s brain surface from all different directions . the third is a mixed signal processor ( c8051f020 ) which is used to control the other parts of the system and display some necessary information and convert the voltage signals into digital signals , as well as transmit the acquired data to the computer . the fourth is computer with eit software which is used to analyze and process the received data and construct a picture for the brain edema and haematoma on screen 32通道电阻抗断层成像系统由4个部分组成:第一部分是正弦波恒流源,用来产生注入大脑的激励电流;第二部分是电位信号的提取与转换,用来提取当激励电流注入时,在大脑表面形成的电位分布信号;第三部分是数据采集与控制系统,用来控制激励电流的频率,注入方向,注入强度,控制采集大脑表面的电位分布信号,并且将这些采集的电位分布数据传到pc机;第四部分是计算机eit成像软件,用来接收下位机的电位分布数据,并且对这些数据进行分析计算,重建电阻抗图像。 |
| 10. | Induced current electrical impedance tomography ( iceit ) is a new branch of electrical impedance tomography ( hit ) . it applies several excitation coils on the boundary of the object . when one of the coils is stimulated by constant alternating current , the magnetic field is established 感应电流电阻抗断层成像( inducedcurrentelectricalimpedancetomography , iceit )是电阻抗断层成像技术的一个分支,它在被测目标的外围放置若干个激励线圈,对其施加时变电流,在空间产生交变磁场,从而在被测目标内激励出感应电流。 |