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Control system based on embedded Linux SPECT study

Author: ZhangWeiZheng
Tutor: ZhaoShuJun
School: Zhengzhou University
Course: Measuring Technology and Instruments
Keywords: Single photon emission computed tomography Control system Embedded Systems ARM Linux
CLC: TH776
Type: Master's thesis
Year: 2007
Downloads: 62
Quote: 0
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Abstract


Nuclear medicine imaging equipment in the field of modern medical widely used in clinical diagnosis and medical research , it can be functional imaging , reflect the dynamic characteristics of the organ , the disease , in particular, has an important significance in the early diagnosis of the tumor . Single photon emission computed tomography (SPECT) is widely used in clinical . SPECT mainly by the probe , the rotary movement of the rack , the control system is composed of four parts of the host computer and the auxiliary equipment . The probe main task is to collect the radionuclide issued γ event , and preliminary selection to obtain the position information and energy information of the valid event . SPECT control system is primarily responsible for the position information and energy information to read out a valid event from the probe , with the host computer to communicate through the network interface , the control movement of the rotary motion of the rack and the interactive interface SPECT of the brain and extremities , with a very important role. The paper first introduces the basic concepts of single photon emission computed tomography and embedded systems , ARM architecture and the core of the system hardware - embedded processor S3C2410 features and works . And system implementations based on the characteristics of embedded system development , system design is divided into two major hardware design and software design . The hardware part focuses on the S3C2410 processor and dual-port RAM memory and network controller chip interface design issues . The software part of the description of the embedded Linux system platform to build and drive the realization of the network interface chip CS8900 focus on the implementation of network interfaces based on the data transmission and interactive interface . Finally, the paper summarizes the achievements and deficiencies of the Institute of this topic , the prospect of further research of the topic .

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CLC: > Industrial Technology > Machinery and Instrument Industry > Instruments, meters > Medical and health devices > Diagnostic test instruments used
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