Near-field Imaging Medical Signal Collection And Transfer Based On UWB

Breast cancer is a main malignancy for women. The incidence of this disease is increasing these years. The early inspect and diagnose is good for operation and curing. It is vital to save patients.Microwave Near-Field Imaging is a new method of assisting in diagnosing breast cancer. This technology indicate a new inspect method whose information carrier is.UWB pulse. The testing object is irradiated by UWB pulse, then through testing the distributing of electromagnet field around object rebuild the medium characteristic inside objects. UWB pulse not only has strong penetrable characteristic, but also has carrier capability and fake white noise characteristic. Through a high-speed signal sampling system, the information of various breast tissue can transfer to PC. Then we can analyze and diagnose early breast cancer. The background of this article is the key project' Microwave Near-Field Imaging Means and Early Breast Cancer Diagnose Research (03JC14026)' . When designing hardware: Choosing USB as data interface.The hardware system is based on EZ-USB FX2 micro-processor whose coreis high performance chip-CY7C68O13 and high-speed A/D samplingmodel based on MAX1198.The software includes: USB firmware design, driver design and application design. The data is collected by data transfer plateform. The practicability of high-speed data collection and transfer system is validated and analyzed by the results of experiment.